Alert archive / Wyoming / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 232, NWS Cheyenne, WY

August 12, 2026Laramie County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 12, 2026, 2:00 PM MDT for Laramie County, Wyoming. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 12, 2026, 2:00 PM MDT (20:00 UTC)
Expired
Aug 12, 2026, 2:45 PM MDT
In force
45 min
Issued by
NWS Cheyenne, WY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Laramie County, WY

The radar

The Cheyenne radar (KCYS), 20 km from the middle of the area, began a volume at 20:03 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 12, 1:50 PM MDTSpecial Weather StatementCYSLaramie25 min
Aug 12, 1:57 PM MDTSpecial Weather StatementCYSLaramie48 min
Aug 12, 2:47 PM MDTSpecial Weather StatementCYSLaramie28 min
Aug 12, 3:18 PM MDTSpecial Weather StatementCYSNiobrara12 min
Aug 12, 3:31 PM MDTSevere Thunderstorm WarningCYSNiobrara14 min
Aug 12, 4:15 PM MDTSpecial Weather StatementCYSKimball30 min
Aug 12, 4:22 PM MDTSevere Thunderstorm WarningCYSKimball38 min
Aug 12, 4:54 PM MDTSevere Thunderstorm WarningCYSDawes66 min
Aug 12, 5:03 PM MDTSevere Thunderstorm Warning Considerable damage threatCYSKimball15 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2026Every severe thunderstorm warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.