Severe Thunderstorm Warning issued September 19 at 6:51PM MDT until September 19 at 7:00PM MDT by NWS Riverton WY

**Severe Thunderstorm Warning issued September 19 at 6:51PM MDT until September 19 at 7:00PM MDT by NWS Riverton WY**

At 650 PM MDT, a severe thunderstorm was located over Goldeneye Reservoir, which is 23 miles northwest of Casper, moving east at 20 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees.

This severe storm will be near... Goldeneye Reservoir around 655 PM MDT.

**What You Should Do:**

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

Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

**Alert Details:**

- **Severity:** Severe

- **Urgency:** Immediate

- **Issued by:** NWS Riverton WY

- **Effective:** Sep 19, 2026 6:51 PM UTC

- **Expires:** Sep 19, 2026 7:00 PM UTC

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