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Severe Thunderstorm Warning issued September 18 at 8:18PM MDT until September 18 at 8:45PM MDT by NWS Cheyenne WY

At 816 PM MDT, severe thunderstorms were located along a line extending from 14 miles southwest of Agate Fossil Beds National Monument to Mitchell to 8 miles south of Hubbard Hill, moving east at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding...

Staff Writer
09/18/2026 · Sioux & Dawes Region edition

**Severe Thunderstorm Warning issued September 18 at 8:18PM MDT until September 18 at 8:45PM MDT by NWS Cheyenne WY**

At 816 PM MDT, severe thunderstorms were located along a line extending from 14 miles southwest of Agate Fossil Beds National Monument to Mitchell to 8 miles south of Hubbard Hill, moving east at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include... Scottsbluff, Gering, Mitchell, Terrytown, Morrill, Wildcat Hills State Recreation Area, Lake Minatare State Recreation Area, Lake Alice Number 2, Scotts Bluff County Fairground, Scotts Bluff National Monument, Hubbard Hill, Scottsbluff Airport, and Lake Alice.

**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 Cheyenne WY

- **Effective:** Sep 18, 2026 8:18 PM UTC

- **Expires:** Sep 18, 2026 8:45 PM UTC

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

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