Severe

Significant threat to life or property

Nebraska Severe Severe Thunderstorm Warning | Effective 09/17/2026 18:55

SVRCYS The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Southeastern Morrill County in the Panhandle of Nebraska... * Until 815 PM MDT. * At 755 PM MDT, a severe thunderstorm was located near Lisco, or 20 miles northwest of Oshkosh, moving east at 20 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * This severe thunderstorm will remain over mainly rural areas of southeastern Morrill County.

Utah Severe Severe Thunderstorm Warning | Effective 09/17/2026 18:56

At 756 PM MDT, a severe thunderstorm was located 10 miles northeast of Coalville, moving north at 30 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. This severe thunderstorm will remain over mainly rural areas of west central Summit County. For your protection move to an interior room on the lowest floor of a building.

Nebraska Severe Severe Thunderstorm Warning | Effective 09/17/2026 18:57

SVRLBF The National Weather Service in North Platte has issued a * Severe Thunderstorm Warning for... West central Garden County in the Panhandle of Nebraska... * Until 845 PM MDT. * At 756 PM MDT, a severe thunderstorm was located near Lisco, or 20 miles northwest of Oshkosh, moving east at 25 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.

Utah Severe Severe Thunderstorm Warning | Effective 09/17/2026 18:58

At 757 PM MDT, a severe thunderstorm was located near Mount Pleasant, or 10 miles southeast of Moroni, moving northeast 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... Mount Pleasant and Spring City. This includes US Route 89 between mile markers 274 and 276. For your protection move to an interior room on the lowest floor of a building.

New Mexico Severe Flash Flood Warning | Effective 09-17-2026 18:38

At 738 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.25 and 2.25 inches of rain have fallen. Additional rainfall amounts up to 0.5 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.

Idaho Severe Severe Thunderstorm Warning | Effective 09/17/2026 18:32

SVRPIH The National Weather Service in Pocatello has issued a * Severe Thunderstorm Warning for... Southeastern Bear Lake County in southeastern Idaho... * Until 815 PM MDT. * At 731 PM MDT, a severe thunderstorm was located 7 miles west of Cokeville, moving north 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... Border Summit and Pegram.

Nebraska Severe Severe Thunderstorm Warning | Effective 09/17/2026 18:32

SVRCYS The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Central Banner County in the Panhandle of Nebraska... * Until 815 PM MDT. * At 732 PM MDT, a severe thunderstorm was located near Harrisburg, or 22 miles south of Scottsbluff, 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... Harrisburg and Wrights Gap.

Montana, Wyoming Severe Flood Watch | Effective 09/17/2026 18:33

A strong and slow moving fall storm system will impact the region from Friday night through Sunday. Well above normal atmospheric moisture levels combined with the dynamics from this storm system will provide the potential for heavy rainfall during this period. Thunderstorms embedded in the more general rainfall will have the potential to produce flash flooding, particularly over recent burn scars. * WHAT...Flooding caused by excessive rainfall is possible, along with Flash Flooding of recent burn scars.

New Mexico Severe Flash Flood Warning | Effective 09/17/2026 18:38

At 738 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.25 and 2.25 inches of rain have fallen. Additional rainfall amounts up to 0.5 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.
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