Severe Thunderstorm Warning issued September 19 at 6:37PM MDT until September 19 at 7:00PM MDT by NWS Riverton WY

**Severe Thunderstorm Warning issued September 19 at 6:37PM MDT until September 19 at 7:00PM MDT by NWS Riverton WY**

SVRRIW

The National Weather Service in Riverton has issued a

* Severe Thunderstorm Warning for... Central Natrona County in central Wyoming...

* Until 700 PM MDT.

* At 637 PM MDT, a severe thunderstorm was located near Goldeneye Reservoir, which is 27 miles northwest of Casper, moving east at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

* This severe thunderstorm will be near... Goldeneye Reservoir around 640 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 6:37 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.*