Immediate

Responsive action SHOULD be taken immediately

Montana Severe Thunderstorm Warning - Severe | Effective 05/28/2026 16:43

At 542 PM MDT, a severe thunderstorm was located near Cut Bank, and is nearly stationary. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Cut Bank. 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.

Idaho Severe Thunderstorm Warning - Severe | Effective 05/28/2026 16:43

SVROTX The National Weather Service in Spokane has issued a * Severe Thunderstorm Warning for... Southwestern Shoshone County in the Panhandle of Idaho... Southeastern Benewah County in the Panhandle of Idaho... * Until 530 PM PDT. * At 442 PM PDT, a severe thunderstorm was located 16 miles southeast of St. Maries, moving west at 10 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.

Oregon Severe Thunderstorm Warning - Severe | Effective 05/28/2026 16:00

At 400 PM PDT, severe thunderstorms were located along a line extending from 11 miles north of Suplee to 10 miles northeast of Brothers, moving northwest at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Seneca, Paulina, Suplee, Izee, Brothers, and Hampton. This includes the following highways... Highway 20 between mile markers 32 and 69. Highway 395 between mile markers 6 and 27.

Oregon Severe Thunderstorm Warning - Severe | Effective 05/28/2026 16:04

SVRPDT The National Weather Service in Pendleton Oregon has issued a * Severe Thunderstorm Warning for... Southeastern Wheeler County in northeastern Oregon... Northwestern Grant County in central Oregon... * Until 500 PM PDT. * At 404 PM PDT, a severe thunderstorm was located 7 miles east of Dayville, or 21 miles west of John Day, moving northwest at 35 mph. HAZARD...70 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable

Idaho Severe Thunderstorm Warning - Severe | Effective 05/28/2026 16:13

At 413 PM PDT, a severe thunderstorm was located 12 miles south of Craigmont, or 19 miles northwest of Grangeville, moving north 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. Locations impacted include... Craigmont and Winchester. This includes U.S. Highway 95 in Idaho between mile markers 268 and 280.

Oregon Severe Thunderstorm Warning - Severe | Effective 05/28/2026 16:14

SVRPDT The National Weather Service in Pendleton Oregon has issued a * Severe Thunderstorm Warning for... Southeastern Wheeler County in northeastern Oregon... Central Crook County in central Oregon... * Until 500 PM PDT. * At 413 PM PDT, severe thunderstorms were located along a line extending from 13 miles northeast of Paulina to 12 miles south of Post, moving west at 45 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include...

Oregon Severe Thunderstorm Warning - Severe | Effective 05/28/2026 16:19

SVRBOI The National Weather Service in Boise has issued a * Severe Thunderstorm Warning for... Northwestern Baker County in northeastern Oregon... * Until 445 PM PDT. * At 418 PM PDT, a severe thunderstorm was located over Thief Valley Reservoir, or near North Powder, moving northwest at 50 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 be near...

Colorado Flash Flood Warning - Severe | Effective 05/28/2026 16:22

FFWPUB The National Weather Service in Pueblo has issued a * Flash Flood Warning for... Southwestern Las Animas County in southeastern Colorado... * Until 830 PM MDT. * At 522 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban

Idaho Severe Thunderstorm Warning - Severe | Effective 05/28/2026 15:48

SVROTX The National Weather Service in Spokane has issued a * Severe Thunderstorm Warning for... Southwestern Lewis County in north central Idaho... * Until 445 PM PDT. * At 348 PM PDT, a severe thunderstorm was located 11 miles northwest of White Bird, or 13 miles west of Grangeville, moving north at 25 mph. HAZARD...Two inch hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect

Oregon Severe Thunderstorm Warning - Severe | Effective 05/28/2026 15:55

At 354 PM PDT, a severe thunderstorm was located 10 miles northeast of Ukiah, or 25 miles southwest of Meacham, moving northwest at 15 mph. HAZARD...70 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. This severe thunderstorm will remain over mainly rural areas of southwestern Umatilla County.
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