Immediate

Responsive action SHOULD be taken immediately

Indiana Severe Severe Thunderstorm Warning | Effective 08/11/2026 20:13

SVRIND The National Weather Service in Indianapolis has issued a * Severe Thunderstorm Warning for... Shelby County in central Indiana... Southern Hancock County in central Indiana... Northeastern Johnson County in central Indiana... Southeastern Marion County in central Indiana... * Until 1145 PM EDT. * At 1113 PM EDT, a severe thunderstorm was located 8 miles southeast of Beech Grove, or 12 miles northwest of Shelbyville, moving east at 35 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated.

Arizona Severe Flash Flood Warning | Effective 08/11/2026 20:14

FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... South Central Cochise County in southeastern Arizona... * Until 1115 PM MST. * At 814 PM MST, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Up to 1 inch of rain has fallen. Gauges in Bisbee have recorded 0.75 inches in 30 minutes. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

South Dakota Severe Severe Thunderstorm Warning | Effective 08-11-2026 19:47

At 847 PM MDT, a severe thunderstorm was located near Quinn, or 22 miles west of Philip, moving southeast at 30 mph. THIS IS A DESTRUCTIVE STORM FOR WASTA, WALL, QUINN, COTTONWOOD. HAZARD...80 mph wind gusts and ping pong ball size hail. SOURCE...Automated observations. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely. Locations impacted include...

Tennessee Severe Flash Flood Warning | Effective 08-11-2026 19:57

At 1057 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 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...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.

Kentucky Severe Flash Flood Warning | Effective 08/11/2026 19:45

At 1045 PM EDT, Doppler radar indicated that earlier thunderstorms produced heavy rain across the warned area. Between 2 and 3 inches of rain fell. Additional thunderstorms are approaching the warned area. The rainfall from this next round of storms could allow any ongoing flash flooding to continue or worsen. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor

South Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 19:45

At 845 PM MDT, a severe thunderstorm was located 6 miles east of New Underwood, or 27 miles east of Rapid City, moving southeast at 35 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... Wasta, Owanka and Wicksville. This includes Interstate 90 in South Dakota between Mile Markers 79 and 101...and between Mile Markers 103 and 106.

Arizona Severe Flash Flood Warning | Effective 08/11/2026 19:46

At 746 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. 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... Elfrida and Sunizona.

Arizona Severe Flash Flood Warning | Effective 08/11/2026 19:48

At 848 PM MDT, Doppler radar indicated that the heavy rainfall had ended over the Wide Ruins area. However, flash flooding remains a threat from earlier thunderstorms producing heavy rain. Between 0.75 and 1.5 inches of rain have fallen. Only light additional rainfall is expected. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams,

South Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 19:49

At 849 PM MDT, a severe thunderstorm was located over Quinn, or 22 miles west of Philip, moving southeast at 30 mph. THIS IS A DESTRUCTIVE STORM FOR WASTA, WALL, QUINN, COTTONWOOD. HAZARD...80 mph wind gusts and golf ball size hail. SOURCE...Automated observations. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely. Locations impacted include...

North Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 19:49

SVRBIS The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Northeastern Morton County in south central North Dakota... * Until 1030 PM CDT. * At 949 PM CDT, a severe thunderstorm was located over Almont, or 28 miles west of Mandan, moving east at 30 mph. HAZARD...Golf 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.
Subscribe to RSS - Immediate