Alert archive / Nebraska / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 262, NWS Cheyenne, WY

August 21, 2026Dawes County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 21, 2026, 4:38 PM MDT for Dawes County, Nebraska. It was in force for 52 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 21, 2026, 4:38 PM MDT (22:38 UTC)
Expired: Aug 21, 2026, 5:30 PM MDT
In force: 52 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Damage threat: Considerable
Hail: 1.75 in
Wind: 60.0 mph

County Dawes County, NE

The radar

The Rapid City radar (KUDX), 158 km from the middle of the area, began a volume at 22:41 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 21, 3:06 PM MDT, 1 hour 32 minutes earlier.

Area forecast discussion, Aug 21, 3:06 PM MDT, 1 hour 32 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 21, 5:48 PM MDT	Special Weather Statement	CYS	Platte	27 min
Aug 21, 5:06 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Box Butte, Dawes	54 min
Aug 21, 5:23 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Dawes, Sioux	52 min
Aug 21, 5:55 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Dawes	46 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2026 Every 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.