Special Weather Statement issued September 18 at 5:51AM MDT by NWS Salt Lake City UT

**Special Weather Statement issued September 18 at 5:51AM MDT by NWS Salt Lake City UT**

At 551 AM MDT, Doppler radar was tracking a strong thunderstorm 10 miles east of Utah Test and Training Range North, or 44 miles northwest of Grantsville, moving northeast at 35 mph.

HAZARD...Penny size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible.

Locations impacted include... Great Salt Lake North of the Causeway, Utah Test and Training Range North, Gunnison Island, and Lakeside.

This storm will be capable of producing strong gusty winds on the Great Salt Lake. This will lead to a sudden increase in waves and very choppy waters which will result in hazardous boating conditions. Boaters are urged to seek safe harbor if possible.

**What You Should Do:**

If outdoors, consider seeking shelter inside a building.

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.

This storm 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 Salt Lake City UT

- **Effective:** Sep 18, 2026 5:51 AM UTC

- **Expires:** Sep 18, 2026 6:30 AM UTC

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