Alert archive / Wyoming / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 276, NWS Cheyenne, WY

August 22, 2026Albany County, Platte County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 22, 2026, 4:03 PM MDT for Albany County, Platte County, Wyoming. It was in force for 27 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 22, 2026, 4:03 PM MDT (22:03 UTC)
Expired
Aug 22, 2026, 4:30 PM MDT
In force
27 min
Issued by
NWS Cheyenne, WY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Albany County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 94 km from the middle of the area, began a volume at 22:02 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 22, 2:52 PM MDT, 1 hour 11 minutes earlier.

Area forecast discussion, Aug 22, 2:52 PM MDT, 1 hour 11 minutes before
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In the hours before

Special weather statement, Aug 22, 2:27 PM MDT, 1 hour 36 minutes before
Special Weather Statement
National Weather Service Cheyenne WY
227 PM MDT Sat Aug 22 2026

WYZ115-116-222100-
South Laramie Range WY-Laramie Valley WY-
227 PM MDT Sat Aug 22 2026

...A STRONG THUNDERSTORM WILL IMPACT EAST CENTRAL ALBANY COUNTY
THROUGH 300 PM MDT...

At 226 PM MDT, Doppler radar was tracking a strong thunderstorm over
Rogers Canyon, or 7 miles north of Laramie. This thunderstorm was
nearly stationary.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Antelope Buttes and Rogers Canyon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4138 10566 4150 10560 4147 10536 4130 10544
TIME...MOT...LOC 2026Z 312DEG 3KT 4142 10554

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

Goatley
Special weather statement, Aug 22, 2:50 PM MDT, 1 hour 13 minutes before
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Local storm report, Aug 22, 3:17 PM MDT, 46 minutes before
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Special weather statement, Aug 22, 3:17 PM MDT, 46 minutes before
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Special weather statement, Aug 22, 3:42 PM MDT, 21 minutes before
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Local storm report, Aug 22, 4:03 PM MDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 6:22 PM MDTSpecial Weather StatementCYSLaramie23 min
Aug 21, 6:40 PM MDTSpecial Weather StatementCYSGoshen50 min
Aug 21, 6:58 PM MDTSevere Thunderstorm WarningCYSGoshen47 min
Aug 21, 7:41 PM MDTSevere Thunderstorm WarningCYSGoshen49 min
Aug 22, 1:19 PM MDTSpecial Weather StatementCYSAlbany26 min
Aug 22, 1:49 PM MDTSevere Thunderstorm WarningCYSAlbany, Laramie41 min
Aug 22, 2:27 PM MDTSpecial Weather StatementCYSAlbany33 min
Aug 22, 2:30 PM MDTFlash Flood WarningCYSAlbany3 hr
Aug 22, 2:50 PM MDTSpecial Weather StatementCYSAlbany25 min
Aug 22, 3:17 PM MDTSpecial Weather StatementCYSAlbany28 min
Aug 22, 3:42 PM MDTSpecial Weather StatementCYSAlbany33 min
Aug 22, 4:25 PM MDTSpecial Weather StatementCYSPlatte35 min
Aug 22, 4:30 PM MDTSpecial Weather StatementCYSPlatte30 min
Aug 22, 4:40 PM MDTSevere Thunderstorm WarningCYSAlbany, Converse, Platte35 min
Aug 22, 4:57 PM MDTSevere Thunderstorm WarningCYSAlbany, Converse, Goshen, Niobrara, Platte48 min
Aug 22, 5:02 PM MDTSpecial Weather StatementCYSPlatte28 min
Aug 22, 5:33 PM MDTSpecial Weather StatementCYS27 min
Aug 22, 5:37 PM MDTSevere Thunderstorm WarningCYSConverse, Niobrara, Platte38 min
Aug 22, 5:55 PM MDTSpecial Weather StatementCYSLaramie35 min
Aug 21, 6:15 PM MDTSpecial Weather StatementCYSBox Butte45 min
Aug 21, 6:33 PM MDTSevere Thunderstorm WarningCYSBox Butte, Morrill, Scotts Bluff42 min
Aug 21, 7:05 PM MDTSevere Thunderstorm WarningCYSBanner, Morrill, Scotts Bluff55 min
Aug 21, 7:34 PM MDTSevere Thunderstorm Warning Destructive damage threatCYSCheyenne, Morrill41 min
Aug 21, 7:51 PM MDTTornado WarningCYSBanner, Cheyenne, Kimball, Morrill39 min
Aug 21, 8:11 PM MDTSevere Thunderstorm Warning Destructive damage threatCYSBanner, Cheyenne, Kimball, Morrill49 min
Aug 21, 8:19 PM MDTTornado WarningCYSCheyenne, Kimball41 min
Aug 21, 8:26 PM MDTSevere Thunderstorm WarningCYSBox Butte, Morrill, Scotts Bluff, Sioux49 min
Aug 21, 8:37 PM MDTSevere Thunderstorm Warning Considerable damage threatCYSCheyenne, Kimball53 min
Aug 21, 8:42 PM MDTAreal Flood AdvisoryCYSBanner, Cheyenne, Kimball, Morrill2 hr
Aug 21, 8:54 PM MDTSevere Thunderstorm Warning Considerable damage threatCYSCheyenne, Kimball51 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.