Severe

Significant threat to life or property

New Mexico Severe Flash Flood Warning | Effective 09-18-2026 17:56

FFWMAF The National Weather Service in Midland/Odessa has issued a * Flash Flood Warning for... Southwestern Eddy County in southeastern New Mexico... * Until 1000 PM MDT. * At 656 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2.5 and 3.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated.

Montana Severe Flash Flood Warning | Effective 09/18/2026 17:52

At 652 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 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...

Nebraska Severe Severe Thunderstorm Warning | Effective 09/18/2026 17:53

At 753 PM CDT, a severe thunderstorm was located near Stratton, or 8 miles southwest of Trenton, moving northeast at 25 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Trenton, Culbertson, Palisade, and Stratton. For your protection move to an interior room on the lowest floor of a building. This thunderstorm will produce strong winds resulting in areas of

New Mexico Severe Flash Flood Warning | Effective 09/18/2026 17:56

FFWMAF The National Weather Service in Midland/Odessa has issued a * Flash Flood Warning for... Southwestern Eddy County in southeastern New Mexico... * Until 1000 PM MDT. * At 656 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2.5 and 3.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated.

Florida Severe Flood Warning | Effective 09/18/2026 17:56

...The Flood Warning continues for the following rivers in Florida... Withlacoochee At US 41 Dunnellon affecting Citrus, Levy and Marion Counties. .The Withlacoochee River at Dunnellon has been steadily rising since July, and on September 15 reached flood stage. The cause of the high water along the Withlacoochee River at Dunnellon is due to excessive hydrilla growth (from the river bottom to the water surface) along a 4.5 mile stretch of river between US 41 and Lake Rousseau. The

Nebraska Severe Severe Thunderstorm Warning | Effective 09/18/2026 17:30

SVRGLD The National Weather Service in Goodland has issued a * Severe Thunderstorm Warning for... Hitchcock County in southwestern Nebraska... Eastern Dundy County in southwestern Nebraska... * Until 745 PM MDT/845 PM CDT/. * At 630 PM MDT/730 PM CDT/, a severe thunderstorm was located 9 miles south of Stratton, or 13 miles east of Benkelman, moving northeast at 35 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include...

Wyoming Severe Severe Thunderstorm Warning | Effective 09/18/2026 17:36

SVRCYS The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Southwestern Goshen County in southeastern Wyoming... Southeastern Platte County in southeastern Wyoming... * Until 715 PM MDT. * At 636 PM MDT, severe thunderstorms were located along a line extending from Bordeaux to near Slater, moving east at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. At 632 PM, a wind gust of 59 mph was reported at Bordeaux. IMPACT...Expect damage to roofs, siding, and trees.

South Carolina Severe Severe Thunderstorm Warning | Effective 09/18/2026 17:37

At 837 PM EDT, a severe thunderstorm was located 10 miles west of Spartanburg, or over Duncan, moving south at 15 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. Locations impacted include... Duncan, Lyman, Wellford, Reidville, GSP Airport, Moore, and Greer. A few trees and power lines will be blown down in the warned area. The storm will be accompanied by brief heavy rainfall, and little or no lightning. Seek shelter inside an interior room.
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