Immediate

Responsive action SHOULD be taken immediately

Montana Severe Thunderstorm Warning | Effective 05/13/2026 16:26

SVRGGW The National Weather Service in Glasgow has issued a * Severe Thunderstorm Warning for...<br /> Southeastern Phillips County in northeastern Montana...<br /> Petroleum County in northeastern Montana...<br /> Southwestern Garfield County in northeastern Montana... * Until 630 PM MDT. * At 524 PM MDT, severe thunderstorms were located along a line<br /> extending from 11 miles north of Roy to 15 miles northwest of<br /> Roundup, moving northeast at 60 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated.

Idaho Severe Thunderstorm Warning | Effective 05/13/2026 16:33

At 533 PM MDT, severe thunderstorms were located along a line<br /> extending from 23 miles southeast of Craters Of The Moon to near<br /> Elba, moving northeast at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include...<br /> Malta, Lake Walcott, Albion, Almo, Elba, Yale Rest Area, Pilar Butte,<br /> Coxs Well Airport, Idahome, Interstate 84 And 86 Junction, Bear Trap<br /> Airport, and Bridge.<br />

Montana Severe Thunderstorm Warning | Effective 05/13/2026 16:41

At 541 PM MDT, a shower capable of producing strong winds was located<br /> 16 miles north of Busby, or 17 miles southwest of Colstrip, moving<br /> northeast at 50 mph. HAZARD...50 to 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include...<br /> Busby and Northern Cheyenne Indian Reservation.<br /> Seek shelter inside a well-built structure and stay away from<br /> windows. This storm is capable of producing damaging winds.

Montana Severe Thunderstorm Warning | Effective 05/13/2026 16:42

SVRGGW The National Weather Service in Glasgow has issued a * Severe Thunderstorm Warning for...<br /> Phillips County in northeastern Montana...<br /> Northwestern Valley County in northeastern Montana... * Until 645 PM MDT. * At 540 PM MDT, severe thunderstorms were located along a line<br /> extending from 15 miles north of Turner to 13 miles south of Loring<br /> to 14 miles south of Zortman, moving northeast at 60 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to<br />

Utah, Wyoming Severe Thunderstorm Warning | Effective 05/13/2026 15:05

SVRSLC The National Weather Service in Salt Lake City has issued a * Severe Thunderstorm Warning for...<br /> Southeastern Rich County in northern Utah...<br /> Northwestern Duchesne County in northern Utah...<br /> Northeastern Morgan County in northern Utah...<br /> Summit County in northern Utah...<br /> Western Uinta County in southwestern Wyoming... * Until 500 PM MDT. * At 403 PM MDT, elevated thunderstorms with a history of producing<br /> gusty and erratic outflow winds in excess of 70 mph were located<br />

Idaho Severe Thunderstorm Warning | Effective 05/13/2026 15:05

SVRPIH The National Weather Service in Pocatello has issued a * Severe Thunderstorm Warning for...<br /> South central Caribou County in southeastern Idaho...<br /> Eastern Franklin County in southeastern Idaho...<br /> West central Bear Lake County in southeastern Idaho... * Until 445 PM MDT. * At 404 PM MDT, a severe thunderstorm was located near Franklin, or<br /> near Preston, moving northeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include...<br />

Utah Severe Thunderstorm Warning | Effective 05/13/2026 15:08

SVRSLC The National Weather Service in Salt Lake City has issued a * Severe Thunderstorm Warning for...<br /> Weber County in northern Utah...<br /> Cache County in northern Utah...<br /> East central Box Elder County in northern Utah...<br /> Rich County in northern Utah...<br /> Northeastern Davis County in northern Utah...<br /> Central Morgan County in northern Utah... * Until 500 PM MDT. * At 407 PM MDT, elevated thunderstorms with a history of producing<br /> gusty and erratic outflow winds in excess of 70 mph were located<br />

Montana Severe Thunderstorm Warning | Effective 05/13/2026 15:08

SVRTFX The National Weather Service in Great Falls has issued a * Severe Thunderstorm Warning for...<br /> Liberty County in north central Montana...<br /> Northwestern Fergus County in central Montana...<br /> Blaine County in north central Montana...<br /> Hill County in north central Montana...<br /> Northeastern Chouteau County in north central Montana... * Until 545 PM MDT. * At 408 PM MDT, severe thunderstorms were located along a line<br /> extending from 15 miles southeast of Chester to Big Sandy to 24<br />

Idaho Severe Thunderstorm Warning | Effective 05/13/2026 15:15

SVRPIH The National Weather Service in Pocatello has issued a * Severe Thunderstorm Warning for...<br /> Northeastern Fremont County in southeastern Idaho...<br /> Northeastern Clark County in southeastern Idaho... * Until 445 PM MDT. * At 413 PM MDT, a line of severe thunderstorms and associated<br /> outflow extends from near Lakeview, Montana to Ashton Hill, moving<br /> northeast at 65 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated and mesonet observations. Multiple<br /> reports of gusts over 60 mph along and just behind this<br />

Idaho Severe Thunderstorm Warning | Effective 05/13/2026 15:19

SVRPIH The National Weather Service in Pocatello has issued a * Severe Thunderstorm Warning for...<br /> Teton County in eastern Idaho...<br /> Caribou County in southeastern Idaho...<br /> Southeastern Fremont County in southeastern Idaho...<br /> North central Oneida County in southeastern Idaho...<br /> Southeastern Jefferson County in southeastern Idaho...<br /> Eastern Bannock County in southeastern Idaho...<br /> Southeastern Power County in southeastern Idaho...<br /> Bonneville County in southeastern Idaho...<br />
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