Severe Thunderstorm Warning for Northeastern Carbon County, WY
This alert is no longer in effect.
NOAA issued it on July 27, 2026, 3 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Cheyenne has issued a Severe Thunderstorm Warning for northeastern Carbon County until 3:30 PM MDT on June 20.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Northeastern Carbon County, Wyoming
- Issued
- July 27, 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: historical. It was issued 3 weeks ago; use the issuing agency's live warning service for current conditions in Northeastern Carbon County, Wyoming.
Alert Details
A Severe Thunderstorm Warning was issued by NWS Cheyenne WY on behalf of NOAA. The alert is effective from June 20 at 2:40 PM MDT until June 20 at 3:30 PM MDT.
Affected Areas
Northeastern Carbon County in south central Wyoming. Locations impacted include Hanna, Sinclair, Medicine Bow, Elk Mountain, Seminoe Campground, Fort Steele Historic Site, Shirley Basin, Kortes Dam, Seminoe State Park, Miracle Mile, Seminoe Dam, Prior Flat Campground, Dugway Campground, and Dome Rock. This includes Interstate 80 in Wyoming between mile markers 217 and 262.
What You Should Do
For your protection move to an interior room on the lowest floor of a building. Wind damage with these storms will occur before any rain or lightning. Do not wait for the sound of thunder before taking cover. SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from windows.
Expected Conditions
At 2:39 PM MDT, severe thunderstorms were located along a line extending from near Dome Rock to Seminoe State Park to 8 miles north of Dugway Campground, moving east at 45 mph. Hazards include 60 mph wind gusts and penny size hail (0.75 inch). Expect damage to roofs, siding, and trees.
Timeline
The warning is in effect from June 20 at 2:40 PM MDT until June 20 at 3:30 PM MDT.
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 (1,289 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 27, 2026.
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