Headline:
Special Weather Statement issued September 18 at 12:17AM MDT by NWS Pocatello ID
Event:
Special Weather Statement
Urgency:
Expected
Effective:
September 17, 2026 - 11:17pm
Expires:
September 18, 2026 - 12:00am
Description:
At 1216 AM MDT, Doppler radar was tracking a cluster of strong
thunderstorms 13 miles east of Bone, or 17 miles southwest of Swan
Valley, moving northeast at 25 mph.
HAZARD...Wind gusts in excess of 35 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to outdoor objects is
possible.
Locations impacted include...
Driggs, Swan Valley, Ririe Reservoir, northern Palisades Reservoir,
Victor, Irwin, Bone, Green Canyon Hot Springs, Heise, Pine Creek
Pass, and Grays Lake.
Instruction:
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
Area Description:
Upper Snake River Plain; Blackfoot Mountains; Caribou Range; Big Hole Mountains; Teton Valley
Forcast Office:
NWS Pocatello ID
Sender:
w-nws.webmaster@noaa.gov