Special Weather Statement issued September 18 at 8:28AM MDT by NWS Pocatello ID

**Special Weather Statement issued September 18 at 8:28AM MDT by NWS Pocatello ID**

At 826 AM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 7 miles west of Arimo to near Thatcher to 7 miles southeast of Dingle. Movement was northeast at 50 mph.

HAZARD...Wind gusts in excess of 45 mph and half inch hail.

SOURCE...Radar indicated and mesonet observations.

IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to outdoor objects is possible.

Locations impacted include... Soda Springs, Montpelier, McCammon, Lava Hot Springs, Blackfoot Reservoir, Swanlake, Chesterfield Reservoir, Bear Lake Idaho Portion, Grace, Downey, Georgetown, Arimo, Saint Charles, Dingle, Thatcher, Henry, Oneida Narrows Reservoir, Virginia, Chesterfield, and Paris.

**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.

These storms may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service.

**Alert Details:**

- **Severity:** Moderate

- **Urgency:** Expected

- **Issued by:** NWS Pocatello ID

- **Effective:** Sep 18, 2026 8:28 AM UTC

- **Expires:** Sep 18, 2026 9:00 AM UTC

*This alert was automatically distributed from the National Weather Service via the IPAWS All-Hazards Information Feed.*