Alert archive / Nebraska / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 289, NWS Cheyenne, WY

August 23, 2026Box Butte County, Dawes County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 23, 2026, 3:01 PM MDT for Box Butte County, Dawes County, Nebraska. It was in force for 41 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 23, 2026, 3:01 PM MDT (21:01 UTC)
Expired: Aug 23, 2026, 3:42 PM MDT
In force: 41 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Box Butte County, NE, Dawes County, NE

The radar

The Rapid City radar (KUDX), 185 km from the middle of the area, began a volume at 21:02 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 23, 2:40 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

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, 5:30 PM MDT, 21 hours 31 minutes earlier.

Area forecast discussion, Aug 22, 5:30 PM MDT, 21 hours 31 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 22, 6:02 PM MDT	Special Weather Statement	CYS	Converse	43 min
Aug 22, 6:05 PM MDT	Areal Flood Advisory	CYS	Albany, Converse	115 min
Aug 22, 6:10 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	50 min
Aug 22, 6:13 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Niobrara	47 min
Aug 22, 7:25 PM MDT	Severe Thunderstorm Warning	CYS	Converse	38 min
Aug 22, 9:18 PM MDT	Special Weather Statement	CYS	Converse	42 min
Aug 22, 9:39 PM MDT	Severe Thunderstorm Warning	CYS	Converse	51 min
Aug 22, 9:45 PM MDT	Special Weather Statement	CYS	Laramie	45 min
Aug 23, 5:19 PM MDT	Special Weather Statement	CYS	Carbon	26 min
Aug 22, 6:32 PM MDT	Severe Thunderstorm Warning	CYS	Cheyenne, Kimball	43 min
Aug 22, 6:45 PM MDT	Severe Thunderstorm Warning	CYS	Banner, Kimball	30 min
Aug 22, 7:08 PM MDT	Severe Thunderstorm Warning	CYS	Banner, Cheyenne, Kimball, Morrill	52 min
Aug 23, 1:38 PM MDT	Special Weather Statement	CYS	Dawes	52 min
Aug 23, 1:52 PM MDT	Severe Thunderstorm Warning	CYS	Dawes	38 min
Aug 23, 2:25 PM MDT	Severe Thunderstorm Warning	CYS	Dawes	50 min
Aug 23, 3:39 PM MDT	Special Weather Statement	CYS	Box Butte	36 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.