NOAA/NWS · 实时热榜

SMWMHX The National Weather Service in Newport has issued a * Special Marine Warning for... S of Cape Hatteras NC to Ocracoke Inlet NC out to 20 NM... S of Oregon Inlet NC to Cape Hatteras NC out to 20 NM... Waters from Cape Hatteras to Ocracoke Inlet NC from 20 to 60 NM... Waters from Oregon Inlet to Cape Hatteras NC from 20 to 60 NM... * Until 1245 AM EDT. * At 1152 PM EDT, a strong thunderstorm was located near Cape Hatteras, moving east at 20 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Cape Hatteras, Diamond Shoals, and Monitor Marine Sanctuary. Safety instructions: Move to safe harbor immediately as gusty winds and high waves are expected. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.

SVRLZK The National Weather Service in Little Rock has issued a * Severe Thunderstorm Warning for... Northwestern Cleveland County in southeastern Arkansas... Southeastern Grant County in central Arkansas... Southwestern Jefferson County in southeastern Arkansas... * Until 645 AM CDT. * At 605 AM CDT, a severe thunderstorm was located near Sheridan, moving southeast at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Pine Bluff... Sheridan... Lamont... Sulphur Springs... Ain... Cross Roads in Grant County... Grapevine... Slabtown... Millerville... Safety instructions: For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

FFWGJT The National Weather Service in Grand Junction has issued a * Flash Flood Warning for... The Lee and P-L Gulch burn scars in... Central Rio Blanco County in northwestern Colorado... * Until 530 PM MDT. * At 231 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Lee and P-L Gulch Burn Scars. Between 0.4 and 0.6 inches of rain have fallen. The expected rainfall rate is 1.5 to 3 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the burn scars will result in debris flow. The debris flow can consist of rock, mud, vegetation and other loose materials. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Lee and P-L Gulch Burn Scars. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the Lee and P-L Gulch Burn Scars. * Some locations that will experience flash flooding include... areas in and around the Lee and P-L Gulch burn scars. Safety instructions: This is a life threatening situation. Heavy rainfall will cause extensive and severe flash flooding of creeks...streams...and ditches in the Lee and P-L Gulch Burn Scars. Severe debris flows can also be anticipated across roads. Roads and driveways may be washed away in places. If you encounter flood waters...climb to safety. Move away from recently burned areas. Life-threatening flooding of creeks, roads and normally dry arroyos is likely. The heavy rains will likely trigger rockslides, mudslides and debris flows in steep terrain, especially in and around the…

At 744 PM MST, a severe thunderstorm was located 12 miles southeast of Vicksburg Junction, or 41 miles west of Tonopah, moving north at 5 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of east central La Paz County. This includes AZ Interstate 10 between mile markers 47 and 60. Safety instructions: For your protection move to an interior room on the lowest floor of a building.

The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, small hail, gusty winds, and heavy rain are still possible with this thunderstorm. A Severe Thunderstorm Watch remains in effect until 800 PM MDT for a portion of southwest South Dakota.

For the following areas... Lake Erie from Silver Creek to Buffalo... At 222 AM EDT, a severe thunderstorm capable of producing waterspouts was located near Wanakah, or 22 nm northeast of Dunkirk, moving northeast at 15 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Small Boat Harbor, Lake Erie Beach, Wanakah, Woodlawn Beach, Erie Basin Marina, Sturgeon Point, Athol Springs, Bayview, and Sunset Bay. Safety instructions: Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.

SMWMHX The National Weather Service in Newport has issued a * Special Marine Warning for... S of Cape Hatteras NC to Ocracoke Inlet NC out to 20 NM... S of Ocracoke Inlet NC to Cape Lookout NC out to 20 NM... S of Oregon Inlet NC to Cape Hatteras NC out to 20 NM... Waters from Cape Hatteras to Ocracoke Inlet NC from 20 to 60 NM... Waters from Ocracoke Inlet to Cape Lookout NC from 20 to 60 NM... Waters from Oregon Inlet to Cape Hatteras NC from 20 to 60 NM... * Until 230 AM EDT. * At 126 AM EDT, a strong thunderstorm was located 12 nm southwest of Monitor Marine Sanctuary, moving northeast at 25 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Diamond Shoals and Monitor Marine Sanctuary. Safety instructions: Move to safe harbor immediately as gusty winds and high waves are expected.

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Beardstown affecting Brown, Cass, Schuyler and Morgan Counties. Illinois River at Havana affecting Cass, Fulton and Mason Counties. .River levels continue to fall on the middle portion of the Illinois River, and flooding is expected to subside next weekend. The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Beardstown. * WHEN...Until Saturday afternoon. * ADDITIONAL DETAILS... - At 9:45 AM CDT Sunday the stage was 16.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 AM CDT Sunday was 16.4 feet. - Forecast...The river is expected to rise to a crest of 16.4 feet this afternoon. It will then fall below flood stage late Saturday morning. - Flood stage is 14.0 feet. Safety instructions: Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov. The next statement will be issued this evening at 1045 PM CDT.

SMWMHX The National Weather Service in Newport has issued a * Special Marine Warning for... Pamlico Sound... S of Cape Hatteras NC to Ocracoke Inlet NC out to 20 NM... S of Oregon Inlet NC to Cape Hatteras NC out to 20 NM... * Until 130 AM EDT. * At 1235 AM EDT, a strong thunderstorm was located near Ar230, or near Hatteras Inlet, moving east at 20 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Cape Hatteras, Hatteras Village, Monitor Marine Sanctuary, Hatteras Inlet, Ar230, Ar220, Diamond Shoals, Ar225, and Ocracoke. Safety instructions: Move to safe harbor immediately as gusty winds and high waves are expected.

FFWLZK The National Weather Service in Little Rock has issued a * Flash Flood Warning for... Northeastern Conway County in central Arkansas... West Central Faulkner County in central Arkansas... * Until 1030 AM CDT. * At 726 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 3 and 4 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Conway, Wooster, Bethlehem, Springfield, Hill Creek, Solgohachia, Lanty, St. Vincent, Blick, Pickles Gap, Jerusalem, Birdtown, Mt Olive in Conway County, Wonderview and Macedonia in Conway County. Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.

SMWMLB The National Weather Service in Melbourne has issued a * Special Marine Warning for... Sebastian Inlet to Jupiter Inlet 0-20 nm... * Until 730 PM EDT. * At 624 PM EDT, a strong thunderstorm was located over Nettles Island, or over Walton, moving east at 5 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar. IMPACT...Expect wind gusts in excess of 34 knots, suddenly higher waves, lightning and heavy downpours. Make sure all on board are wearing life jackets. Return to safe harbor if possible. * Locations impacted include... Nettles Island, Waveland, Walton, Ocean Breeze Park, and Jensen Beach.

FFWPSR The National Weather Service in Phoenix has issued a * Flash Flood Warning for... Maricopa County in south central Arizona... Pinal County in southeastern Arizona... * Until 215 AM MST. * At 1111 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.75 and 1.25 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Mobile. This includes AZ Route 238 between mile markers 20 and 29. This includes the following streams and drainages... West Prong Waterman Wash and Waterman Wash. Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.

At 1144 PM CDT, severe thunderstorms were located along a line extending from 7 miles west of Geddes to 6 miles northeast of Bonesteel, moving southeast at 20 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. These severe storms will be near... Geddes around 1150 PM CDT. Safety instructions: For your protection move to an interior room on the lowest floor of a building.

At 617 AM CDT, a severe thunderstorm was located 8 miles north of Lamont, or 8 miles southeast of Sheridan, moving southeast at 20 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Pine Bluff... Lamont... Sulphur Springs... Ain... Grapevine... Cross Roads in Grant County... Safety instructions: For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

For the following areas... Waters from Ocracoke Inlet to Cape Lookout NC from 20 to 60 NM... At 512 AM EDT, a severe thunderstorm capable of producing waterspouts was located 24 nm east of Atlas Tanker, moving east at 15 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. The severe thunderstorm will remain over mainly open waters. Safety instructions: Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.

SVRPSR The National Weather Service in Phoenix has issued a * Severe Thunderstorm Warning for... East central La Paz County in west central Arizona... * Until 800 PM MST. * At 729 PM MST, a severe thunderstorm was located 13 miles south of Vicksburg Junction, or 41 miles west of Tonopah, moving north at 5 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will remain over mainly rural areas of east central La Paz County. This includes AZ Interstate 10 between mile markers 47 and 60. Safety instructions: For your protection move to an interior room on the lowest floor of a building.

* WHAT...Dangerously hot conditions with high temperatures ranging between 103 to 111 degrees and low temperatures 79 to 85 degrees. Major HeatRisk is expected through Tuesday and then widespread Major to Extreme HeatRisk Wednesday through Saturday. * WHERE...Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, and Western Pima County. * WHEN...Until 8 PM MST Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Safety instructions: To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible and drink plenty of water.

* WHAT...For the Extreme Heat Warning today, dangerously hot conditions with heat index values or temperatures up to 110. For the Extreme Heat Warning on Monday, dangerously hot conditions with heat index values or temperatures up to 114 expected. * WHERE...Portions of southern and southwest Oklahoma and northern Texas. * WHEN...For the Extreme Heat Warning today, until 8 PM CDT this evening. For the Extreme Heat Warning Monday, from noon to 8 PM CDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

* WHAT...Dangerously hot conditions with heat index values or temperatures up to 110. * WHERE...Coal, Beckham, and Washita Counties. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

At 214 PM MDT, a severe thunderstorm was located over Pactola Reservoir, or 10 miles north of Hill City, moving southeast at 10 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Hill City, Johnson Siding, Silver City, Hisega, Pactola Reservoir and Sheridan Lake. Safety instructions: Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing large hail. Very heavy rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways.

Flash flooding is no longer expected to pose a threat. Please continue to heed remaining road closures.

The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from noon today to 8 PM MDT this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Idaho, Fire Weather Zones 423 Owyhee Mountains and 426 Southern Highlands. * TIMING...From noon today to 8 PM MDT this evening. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 55 mph. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. Safety instructions: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will occur shortly.

At 234 AM CDT, a severe thunderstorm was located 7 miles south of Bertha, or 22 miles northeast of Clarksville, moving southeast at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Hector... Broomfield... Solo... Appleton... Brock Creek Campground... Caglesville... Moreland... Long Pool Campground... Oak Grove in Pope County... Scottsville... Treat... Simpson... Safety instructions: For your protection move to an interior room on the lowest floor of a building.

The affected areas were... Hawk Channel and Straits of Florida from Ocean Reef to Craig Key out 20 nm... The thunderstorm has weakened and no longer poses a significant threat to boaters.

At 759 PM MDT, a severe thunderstorm was located over Sorum, or 30 miles east of Buffalo, moving southeast at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Sorum. Safety instructions: Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.

The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However gusty winds are still possible with this thunderstorm. A Severe Thunderstorm Watch remains in effect until 1000 PM MDT for northern Utah.

SVRBIS The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Western Adams County in southwestern North Dakota... Eastern Bowman County in southwestern North Dakota... West Central Hettinger County in southwestern North Dakota... Southeastern Slope County in southwestern North Dakota... * Until 615 PM MDT. * At 512 PM MDT, a severe thunderstorm was located 7 miles north of Bowman, moving southeast at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Bowman, Scranton, Reeder, Gascoyne, Buffalo Springs and Bowman Haley Dam. Safety instructions: Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.

At 303 PM MDT, a severe thunderstorm was located 29 miles northeast of Montello, moving east at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of western Box Elder County. Safety instructions: For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

The affected areas were... Coastal waters from St. Augustine to Flagler Beach FL out 20 NM... The thunderstorm has weakened and no longer poses a significant threat to boaters.

* IMPACTS...Any fires that develop will likely spread rapidly. * AFFECTED AREA...In California, Fire Weather Zones 280 and 281. In Oregon...Fire Weather Zones 621, 622, and 623. In California, this includes Scott Valley, Shasta Valley, and the Klamath River Valley. In Oregon, this includes the Siskiyou Mountains, the Southern Cascade Mountains, and the Rogue Valley. * WIND...In Oregon, west to northwest winds 10 to 15 mph with gusts around 25 mph. In California, south to southwest winds 10 to 20 mph with gusts around 30 mph. * HUMIDITY...Daytime humidities down to 8 to 15 percent. * DETAILED URL...View the hazard area in detail at https://weather.gov/wrh/hazards?wfo=mfr Safety instructions: Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities.

The storm which prompted the warning has weakened below severe limits, and no longer appears capable of producing a tornado. Therefore, the warning will be allowed to expire.

* WHAT...Dangerously hot conditions with temperatures up to 113. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

SVRGGW The National Weather Service in Glasgow has issued a * Severe Thunderstorm Warning for... Central Petroleum County in northeastern Montana... Southwestern Garfield County in northeastern Montana... * Until 830 PM MDT. * At 726 PM MDT, a severe thunderstorm was located 10 miles north of Winnett, moving east at 50 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Winnett, Sand Springs, Edwards, Mosby, Petrolia Lake, Steve Fork, and Cat Creek. Safety instructions: For your protection move to an interior room on the lowest floor of a building.

The National Weather Service in Medford has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM PDT Monday. * IMPACTS...Any fires that develop will likely spread rapidly. * AFFECTED AREA...In California, Fire Weather Zones 280 and 281. In Oregon...Fire Weather Zones 621, 622, and 623. In California, this includes Scott Valley, Shasta Valley, and the Klamath River Valley. In Oregon, this includes the Siskiyou Mountains, the Southern Cascade Mountains, and the Rogue Valley. * WIND...In Oregon, west to northwest winds 10 to 15 mph with gusts around 25 mph. In California, south to southwest winds 10 to 20 mph with gusts around 30 mph. * HUMIDITY...Daytime humidities down to 8 to 15 percent. * DETAILED URL...View the hazard area in detail at https://weather.gov/wrh/hazards?wfo=mfr Safety instructions: Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities.

FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... North Central Pima County in southeastern Arizona... Southwestern Pinal County in southeastern Arizona... * Until 130 AM MST. * At 1055 PM MST, Doppler radar indicated a couple of rounds of thunderstorms this evening had produced between 1.00 and 3.50 inches of heavy rain along and east of Route 15 between Santa Rosa and North Komelik. The heaviest rainfall, between 2.50 and 3.50 inches, occurred near and east of North Komelik. Flash flooding is ongoing, especially in normally dry washes and low-lying areas that drain into the Santa Rosa Wash. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... North Komelik. This includes the following streams and drainages... Anegam Wash, Sil Nakya Wash and Santa Rosa Wash. Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

At 407 PM MDT, a severe thunderstorm was located 9 miles east of Parker School, or 24 miles south of Havre, moving east at 35 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Cleveland. Safety instructions: For your protection move to an interior room on the lowest floor of a building.

At 916 PM MST, a wall of dust was along a line extending from Fountain Hills to Piestewa Peak Park to Phoenix International Raceway, moving northwest at 30 mph. HAZARD...Less than one quarter mile visibility with strong wind in excess of 50 mph. SOURCE...Doppler radar. IMPACT...Dangerous life-threatening travel. This includes the following highways... AZ Interstate 10 between mile markers 125 and 160. AZ Interstate 17 between mile markers 195 and 215. AZ Route 51 between mile markers 1 and 15. Locations impacted include... Phoenix, Mesa, Glendale, Scottsdale, Tempe, Avondale, Goodyear, Apache Junction, Fountain Hills, Paradise Valley, Tolleson, Laveen, Cashion, East Mesa, and Sun City. Safety instructions: Dust storms lead to dangerous driving conditions with visibility reduced to near zero. If driving, avoid dust storms if possible. If caught in one, then pull off the road, turn off your lights and keep your foot off the brake. Motorists should not drive into a dust storm. PULL ASIDE STAY ALIVE!

TORMLB The National Weather Service in Melbourne has issued a * Tornado Warning for... Southeastern St. Lucie County in east central Florida... Northeastern Martin County in east central Florida... * Until 700 PM EDT. * At 628 PM EDT, a severe thunderstorm capable of producing a tornado was located over Walton, and is nearly stationary. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. * This dangerous storm will be near... Walton, Stuart, and Saint Lucie Nuclear Power Plant around 630 PM EDT. Other locations impacted by this tornadic thunderstorm include Hutchinson Island South. Safety instructions: TAKE COVER NOW! Move to an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.

The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures.

* WHAT...For both warnings, dangerously hot conditions with temperatures up to 113 expected. * WHERE...Childress, Cottle, Motley, Briscoe, and Hall. * WHEN...For the first Extreme Heat Warning, until 8 PM CDT this evening. For the second Extreme Heat Warning, from noon to 8 PM CDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

* WHAT...Dangerously hot conditions expected through the work week, with temperatures up to 115 to 118 across Death Valley and the Colorado River Valley; up to 108 to 112 across Moapa Valley, the Las Vegas Valley, the Pahrump Valley, and the Morongo Valley; up to 90 to 95 in the Hualapai Mountains. Overnight lows will be in the upper-80s to low-90s for desert valleys. * WHERE...Portions of northwest Arizona, southeast California, and southern Nevada. * WHEN...Until 8 PM PDT / MST this evening. * IMPACTS...Heat-related illnesses increase significantly during extreme heat and high humidity events. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose-fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates.

At 532 PM MDT, a severe thunderstorm was located 7 miles northeast of Bowman, moving southeast at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Bowman, Scranton, Reeder, Gascoyne, Buffalo Springs and Bowman Haley Dam. Safety instructions: Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.

SVRUNR The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... East Central Harding County in northwestern South Dakota... Northwestern Perkins County in northwestern South Dakota... * Until 745 PM MDT. * At 639 PM MDT, a severe thunderstorm was located over Ralph, or 29 miles northeast of Buffalo, moving southeast at 15 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Reva and Ralph. Safety instructions: Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.

SVRLZK The National Weather Service in Little Rock has issued a * Severe Thunderstorm Warning for... East central Johnson County in western Arkansas... West central Van Buren County in north central Arkansas... Northwestern Conway County in central Arkansas... Central Pope County in central Arkansas... * Until 315 AM CDT. * At 224 AM CDT, a severe thunderstorm was located near Dillen, or 21 miles northeast of Clarksville, moving southeast at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Hector... Broomfield... Solo... Bertha... Appleton... Brock Creek Campground... Long Pool Campground... Treat... Caglesville... Moreland... Mountain Man Trailhead... Oak Grove in Pope County... Scottsville... Simpson... Safety instructions: For your protection move to an interior room on the lowest floor of a building.

* WHAT...Flash flooding and debris flows caused by excessive rainfall will be possible over the Aspen Acres Burn Scar. * WHERE...Aspen Acres Burn Scar. * WHEN...From 3 PM MDT this afternoon through this evening. * IMPACTS...Heavy rainfall over the Aspen Acres Burn Scar is expected up to and during the period of the watch. Residents near the Aspen Acres Burn Scar should prepare for debris flows and stay up to date with information from local authorities. Heavy rainfall could trigger flash flooding of low-lying areas and debris flows in and near recent wildfire burn scars. * ADDITIONAL DETAILS... - National Weather Service Meteorologists are forecasting heavy rainfall over the burn scar, which may lead to flash flooding and debris flows. - Some locations that may experience flash flooding include... Beulah, San Isabel and Highways 165 and 78 in and around the Aspen Acres Burn Scar. - http://www.weather.gov/safety/flood Safety instructions: You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

SMWMHX The National Weather Service in Newport has issued a * Special Marine Warning for... Waters from Cape Hatteras to Ocracoke Inlet NC from 20 to 60 NM... Waters from Ocracoke Inlet to Cape Lookout NC from 20 to 60 NM... * Until 345 AM EDT. * At 239 AM EDT, a strong thunderstorm was located 22 nm southeast of Ar250, or 29 nm east of Atlas Tanker, moving northeast at 20 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * The strong thunderstorm will remain over mainly open waters. Safety instructions: Move to safe harbor immediately as gusty winds and high waves are expected. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.

* WHAT...Dangerously hot conditions expected below 4000 feet, with daytime temperatures ranging from 95 to 101 degrees at Havasupai Gardens, to 107 to 112 degrees at Phantom Ranch. * WHERE...Lower elevations of the Grand Canyon. * WHEN...From 10 AM Wednesday to 8 PM MST Friday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure. Safety instructions: This warning is reserved for only the hottest days of the year and is issued when temperatures are expected to rise to dangerous levels. Day hikers on Bright Angel Trail should descend no farther than 1 1/2 miles from the upper trailhead. Between the hours of 10 AM and 4 PM, hikers should be out of the canyon or at Havasupai Gardens or Bright Angel campgrounds, physical activity is discouraged. All hikers should have adequate gear, including a wide-brimmed hat, sunscreen, salty snacks, sufficient water, and electrolyte mix. Doubling your calorie intake helps maintain your energy. Hike smart. Take action when you see symptoms of heat exhaustion and heat stroke. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

SMWTBW The National Weather Service in Ruskin has issued a * Special Marine Warning for... Tampa Bay waters... * Until 145 PM EDT. * At 116 PM EDT, a strong thunderstorm was located near Hillsborough Bay, moving southeast at 15 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours. Make sure all on board are wearing life jackets. * Locations impacted include... Port Manatee Reef, Tampa Bay, Cockroach Bay, and Hillsborough Bay. Safety instructions: Move to safe harbor until hazardous weather passes.

...The Flood Warning continues for the following rivers in Indiana... Illinois... East Fork White River at Seymour. White River from Elliston to Hazleton. Wabash River from Montezuma to Hutsonville. ...The Flood Warning is extended for the following rivers in Indiana...Illinois... Wabash River at Covington. Wabash River from Riverton to Mount Carmel. .Minor flooding continues along portions of central Indiana rivers due to excessive rain over the previous few weeks. Largely dry weather is in store for the week ahead, with only a few low chances of rain. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Wabash River at Covington. * WHEN...Until tomorrow afternoon. * IMPACTS...At 17.5 feet, Some low agricultural fields flood. Backyard flood of cottages a short distance north of U.S. Highway 136. High water blocks land access to at least one residence. * ADDITIONAL DETAILS... - At 10:45 AM EDT Sunday the stage was 17.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:45 AM EDT Sunday was 18.9 feet. - Forecast...The river is expected to fall below flood stage late tonight and continue falling and remain below flood stage. - Flood stage is 16.0 feet. - http://www.weather.gov/safety/flood Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov/ind. The next statement should be issued late tonight by around 300 AM EDT /200 AM CDT/.

For the following areas... Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM... At 537 PM EDT, a severe thunderstorm capable of producing waterspouts was located over Juno Beach, moving east at 10 knots. HAZARD...Waterspouts, wind gusts to nearly 50 knots, and large hail. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. Locations impacted include... Jupiter, Jupiter Inlet, Jupiter Inlet Colony, Tequesta, Juno Beach, North Palm Beach, and Riviera Beach. Safety instructions: Boaters should seek safe harbor immediately until this storm passes. Wind gusts to nearly 50 knots, large hail, high waves, dangerous lightning, and heavy rain are possible with this storm. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. Report severe weather to the Coast Guard or the National Weather Service. You can also share your report with NWS Miami on Facebook and Twitter.