Special Weather Statement issued September 18 at 3:31PM MDT by NWS Riverton WY
At 331 PM MDT, Doppler radar was tracking a cluster of strong thunderstorms near Waltman, which is 45 miles northwest of Casper, moving northeast at 30 mph. HAZARD...Wind gusts up to 50 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow aro...
**Special Weather Statement issued September 18 at 3:31PM MDT by NWS Riverton WY**
At 331 PM MDT, Doppler radar was tracking a cluster of strong thunderstorms near Waltman, which is 45 miles northwest of Casper, moving northeast at 30 mph.
HAZARD...Wind gusts up to 50 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible.
This storm will remain over mainly rural areas of northwestern Natrona County, including the following locations... Natrona and Arminto.
**What You Should Do:**
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways.
**Alert Details:**
- **Severity:** Moderate
- **Urgency:** Expected
- **Issued by:** NWS Riverton WY
- **Effective:** Sep 18, 2026 3:31 PM UTC
- **Expires:** Sep 18, 2026 4:15 PM UTC
*This alert was automatically distributed from the National Weather Service via the IPAWS All-Hazards Information Feed.*


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