Special Weather Statement issued September 17 at 11:26PM MDT by NWS Pocatello ID
At 1126 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 8 miles west of Idaho Falls to near Chesterfield. Movement was northeast at 30 mph. HAZARD...Wind gusts in excess of 35 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock dow...
**Special Weather Statement issued September 17 at 11:26PM MDT by NWS Pocatello ID**
At 1126 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 8 miles west of Idaho Falls to near Chesterfield. Movement was northeast at 30 mph.
HAZARD...Wind gusts in excess of 35 mph and pea 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... Idaho Falls, Rigby, Blackfoot Reservoir, Wayan, Ririe Reservoir, Chesterfield Reservoir, Goshen, Lorenzo, Ammon, Shelley, Iona, Ucon, Ririe, Firth, Archer, Henry, Bone, Chesterfield, Basalt, and Trail Creek Campground.
**What You Should Do:**
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with these storms and may lead to localized flooding. Do not drive your vehicle through flooded roadways.
Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.
**Alert Details:**
- **Severity:** Moderate
- **Urgency:** Expected
- **Issued by:** NWS Pocatello ID
- **Effective:** Sep 17, 2026 11:26 PM UTC
- **Expires:** Sep 18, 2026 12:15 AM UTC
*This alert was automatically distributed from the National Weather Service via the IPAWS All-Hazards Information Feed.*
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