Severe Thunderstorm Warning issued September 18 at 5:15PM MDT until September 18 at 5:45PM MDT by NWS Grand Junction CO

**Severe Thunderstorm Warning issued September 18 at 5:15PM MDT until September 18 at 5:45PM MDT by NWS Grand Junction CO**

SVRGJT

The National Weather Service in Grand Junction has issued a

* Severe Thunderstorm Warning for... Southwestern Moffat County in northwestern Colorado... Northwestern Rio Blanco County in northwestern Colorado... Northeastern Uintah County in northeastern Utah...

* Until 545 PM MDT.

* At 514 PM MDT, a severe thunderstorm was located over Dinosaur, or 29 miles southeast of Vernal, moving northeast at 30 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

* Locations impacted include... Dinosaur, Artesia, and Blue Mountain.

**What You Should Do:**

For your protection move to an interior room on the lowest floor of a building.

**Alert Details:**

- **Severity:** Severe

- **Urgency:** Immediate

- **Issued by:** NWS Grand Junction CO

- **Effective:** Sep 18, 2026 5:15 PM UTC

- **Expires:** Sep 18, 2026 5:45 PM UTC

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