Alert archive / Wyoming / Red Flag Warnings in 2026

Red Flag Warning 38, NWS Cheyenne, WY

August 10, 20267 counties in Wyoming

NWS Cheyenne, WY issued this red flag warning at Aug 10, 2026, 1:51 PM MDT for 7 counties in Wyoming. It took effect at Aug 11, 2026, 12:00 PM MDT. It was in force for 9 hr. 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 10, 2026, 1:51 PM MDT (19:51 UTC)
In effect from
Aug 11, 2026, 12:00 PM MDT
Expired
Aug 11, 2026, 9:00 PM MDT
In force
9 hr
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY, Converse County, WY, Goshen County, WY, Laramie County, WY, Niobrara County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 114 km from the middle of the area, began a volume at 19:52 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 10, 1:03 AM MDTRed Flag WarningCYSAlbany, Carbon, Converse, Goshen, Niobrara, Platte20 hr
Aug 10, 3:05 PM MDTSpecial Weather StatementCYSCarbon25 min
Aug 10, 4:00 PM MDTSevere Thunderstorm WarningCYSConverse45 min
Aug 10, 4:37 PM MDTSevere Thunderstorm WarningCYSConverse, Niobrara, Platte38 min
Aug 10, 5:34 PM MDTSevere Thunderstorm WarningCYSAlbany, Carbon41 min
Aug 9, 6:09 PM MDTSpecial Weather StatementCYSMorrill36 min
Aug 9, 6:30 PM MDTSpecial Weather StatementCYSBox Butte30 min
Aug 9, 6:33 PM MDTSevere Thunderstorm WarningCYSMorrill42 min
Aug 9, 6:41 PM MDTSevere Thunderstorm WarningCYSMorrill49 min
Aug 9, 6:47 PM MDTSpecial Weather StatementCYSCheyenne28 min
Aug 9, 7:14 PM MDTSevere Thunderstorm WarningCYSBox Butte, Cheyenne, Kimball, Morrill61 min
Aug 9, 8:14 PM MDTSpecial Weather StatementCYSCheyenne31 min
Aug 10, 3:53 PM MDTSpecial Weather StatementCYSMorrill37 min
Aug 10, 4:02 PM MDTSevere Thunderstorm WarningCYSMorrill21 min
Aug 10, 5:06 PM MDTSevere Thunderstorm WarningCYSCheyenne39 min

Nearby

Red Flag Warnings in Wyoming, 2026Every red flag 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.