Severe Thunderstorm Warning Issued for Converse and Niobrara Counties, WY
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NWS Cheyenne has issued a Severe Thunderstorm Warning for east central Converse and west central Niobrara counties in Wyoming until 7:00 PM MDT.
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- Record type
- Severe Thunderstorm Warning
- Affected area
- East Central Wyoming
- Issued
- August 23, 2026
- Issuing authority
- NWS Cheyenne WY
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Severe Thunderstorm Warning has been issued by the National Weather Service in Cheyenne WY. The alert is effective from August 22, 2026 at 6:13 PM MDT until August 22, 2026 at 7:00 PM MDT.
Affected Areas
The warning covers West central Niobrara County and East central Converse County in east central Wyoming. Locations impacted include Lance Creek and Manning Ranch.
What You Should Do
For your protection move to an interior room on the lowest floor of a building.
Expected Conditions
At 6:13 PM MDT, a severe thunderstorm was located 8 miles southwest of Manning Ranch, or 22 miles northeast of Douglas, moving northeast at 40 mph. Hazards include 60 mph wind gusts and half dollar size hail (1.25 inches). Hail damage to vehicles is expected. Wind damage to roofs, siding, and trees is expected.
Timeline
The warning is in effect from 6:13 PM MDT to 7:00 PM MDT on August 22, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (920 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 23, 2026.
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