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NWS Cheyenne WYTO.W 0017August 21, 2026

Tornado Warning: Banner, Cheyenne, Kimball and 1 more, NE

The National Weather Service office in Cheyenne issued a tornado warning for Banner, Cheyenne, Kimball and 1 more in Nebraska, which was in force until 8:30 p.m. local time on August 21. It was the 17th tornado warning the NWS office in Cheyenne issued in 2026. Nebraska had 13 tornado warnings in August 2026, against 7 in an average August of 2008-2025 (Nebraska's tornado warnings by year).

ExpiredWarning

Issued7:51 p.m. MDT, August 21, 2026
In force7:51 p.m. MDT, August 21, 2026
Expired8:30 p.m. MDT, August 21, 2026

In force for 39 minutes; it has expired. The agency may have replaced it with a new notice.

The notice

Issued by
National Weather Service, Cheyenne WY
Area
Banner, Cheyenne, Kimball and 1 more
State
Nebraska
Level
Warning
Issued
7:51 p.m. MDT, August 21, 2026
Expires
8:30 p.m. MDT, August 21, 2026
CAP severity, certainty, urgency
Extreme, Observed, Immediate
VTEC event
KCYS TO.W 0017
Official source
National Weather Service: the notice at its source

Tornado Warnings in Nebraska since 2008Every warning type in Nebraska

Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.

The notice as issued

TORCYS The National Weather Service in Cheyenne has issued a * Tornado Warning for... Northwestern Cheyenne County in the Panhandle of Nebraska... Northeastern Kimball County in the Panhandle of Nebraska... Southwestern Morrill County in the Panhandle of Nebraska... Southeastern Banner County in the Panhandle of Nebraska... * Until 830 PM MDT. * At 751 PM MDT, a severe thunderstorm capable of producing a tornado was located 9 miles southwest of Redington, or 21 miles northeast of Kimball, moving south at 35 mph. HAZARD...Tornado and baseball size hail. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. * This tornadic thunderstorm will remain over mainly rural areas of northwestern Cheyenne, northeastern Kimball, southwestern Morrill and southeastern Banner Counties.

What the agency told people to do

TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.

Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.

The record around this notice