Immediate

Responsive action SHOULD be taken immediately

Tennessee Severe Flash Flood Warning | Effective 09/23/2026 18:03

FFWMRX The National Weather Service in Morristown has issued a * Flash Flood Warning for... Northeastern Knox County in east Tennessee... * Until midnight EDT. * At 903 PM EDT, Doppler radar indicated heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor

Tennessee Severe Flash Flood Warning | Effective 09/23/2026 17:45

FFWMRX The National Weather Service in Morristown has issued a * Flash Flood Warning for... South Central Anderson County in east Tennessee... West Central Knox County in east Tennessee... * Until 1045 PM EDT. * At 845 PM EDT, Doppler radar indicated heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas,

Kentucky Severe Flash Flood Warning | Effective 09/23/2026 17:36

At 836 PM EDT, Doppler radar indicated new thunderstorms producing heavy rain upstream of the warned area. Between 1 and 3 inches of rain have already fallen from earlier storms. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding could begin again 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.

South Dakota Severe Severe Thunderstorm Warning | Effective 09/23/2026 17:43

At 643 PM MDT, a severe thunderstorm was located 9 miles east of Lodgepole, or 17 miles southeast of Hettinger, moving east 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... Lodgepole and northwestern Shadehill Reservoir. For your protection move to an interior room on the lowest floor of a building.

Kentucky Severe Flash Flood Warning | Effective 09/23/2026 16:53

FFWJKL The National Weather Service in Jackson has extended the * Flash Flood Warning for... Northwestern Harlan County in southeastern Kentucky... * Until 900 PM EDT. * At 753 PM EDT, Doppler radar indicated new thunderstorms producing heavy rain upstream of the warned area. Between 1 and 3 inches of rain have already fallen from earlier storms. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding could begin again shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated.

Kentucky Severe Flash Flood Warning | Effective 09/23/2026 17:03

At 803 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional light rainfall is ongoing across portions of 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.

Kentucky Severe Flash Flood Warning | Effective 09/23/2026 17:10

At 810 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 4 inches of rain have fallen. Additional light rainfall amounts is ongoing within 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.

Arizona Severe Flash Flood Warning | Effective 09/23/2026 17:15

At 515 PM MST, a river gauge on the Agua Fria River reported a rapid rise of 3.3 feet from earlier thunderstorms producing heavy rain. Between 1 and 2 inches of rain have fallen. Flooding impacts will continue, but no additional rainfall is expected. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Agua Fria River. SOURCE...River gauge reported. IMPACT...Life threatening flash flooding of areas in and around the Agua Fria River.

South Dakota Severe Severe Thunderstorm Warning | Effective 09/23/2026 17:15

SVRUNR The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... Northwestern Perkins County in northwestern South Dakota... * Until 715 PM MDT. * At 614 PM MDT, a severe thunderstorm was located 7 miles southwest of Lodgepole, or 19 miles south of Hettinger, moving east- northeast 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...

Kentucky Severe Flash Flood Warning | Effective 09/23/2026 17:22

FFWJKL The National Weather Service in Jackson has issued a * Flash Flood Warning for... Northeastern Bell County in southeastern Kentucky... West Central Harlan County in southeastern Kentucky... Southwestern Leslie County in southeastern Kentucky... * Until 1015 PM EDT. * At 822 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 2.5 inches of rain have fallen. Additional rainfall amounts up to 1 inch are
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