Alert archive / Nebraska / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 105, NWS Cheyenne, WY

June 21, 2026Morrill County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 21, 2026, 12:49 PM MDT for Morrill County, Nebraska. It was in force for 20 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
Jun 21, 2026, 12:49 PM MDT (18:49 UTC)
Expired
Jun 21, 2026, 1:09 PM MDT
In force
20 min
Issued by
NWS Cheyenne, WY
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Morrill County, NE

The radar

The Cheyenne radar (KCYS), 162 km from the middle of the area, began a volume at 18:51 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.

IssuedProductOfficeLasted
May 19, 6:00 PM MDTSevere Thunderstorm WatchSPC38 days

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 Jun 21, 11:33 AM MDT, 1 hour 16 minutes earlier.

Area forecast discussion, Jun 21, 11:33 AM MDT, 1 hour 16 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 6:01 PM MDTSevere Thunderstorm WarningCYSGoshen, Platte44 min
Jun 20, 6:10 PM MDTSevere Thunderstorm WarningCYSGoshen, Niobrara, Platte50 min
Jun 20, 6:26 PM MDTSevere Thunderstorm WarningCYSAlbany, Carbon39 min
Jun 20, 6:32 PM MDTSpecial Weather StatementCYSLaramie28 min
Jun 20, 6:40 PM MDTSevere Thunderstorm WarningCYSLaramie35 min
Jun 20, 6:42 PM MDTSevere Thunderstorm WarningCYSGoshen, Laramie48 min
Jun 20, 6:52 PM MDTSevere Thunderstorm WarningCYSLaramie38 min
Jun 20, 6:54 PM MDTSevere Thunderstorm WarningCYSGoshen38 min
Jun 20, 7:06 PM MDTSpecial Weather StatementCYSCarbon24 min
Jun 20, 7:13 PM MDTSevere Thunderstorm WarningCYSLaramie29 min
Jun 20, 7:27 PM MDTSevere Thunderstorm WarningCYSLaramie17 min
Jun 20, 7:33 PM MDTSpecial Weather StatementCYSLaramie27 min
Jun 20, 7:49 PM MDTSevere Thunderstorm WarningCYSLaramie41 min
Jun 20, 7:53 PM MDTSpecial Weather StatementCYSCarbon52 min
Jun 20, 8:24 PM MDTSpecial Weather StatementCYSLaramie36 min
Jun 20, 8:47 PM MDTSpecial Weather StatementCYSLaramie28 min
Jun 20, 10:37 PM MDTSpecial Weather StatementCYSCarbon23 min
Jun 20, 10:58 PM MDTSpecial Weather StatementCYS32 min
Jun 20, 7:27 PM MDTSevere Thunderstorm WarningCYSBanner, Cheyenne, Kimball, Morrill, Scotts Bluff48 min
Jun 20, 7:34 PM MDTSpecial Weather StatementCYSBox Butte, Dawes26 min
Jun 20, 8:00 PM MDTSpecial Weather StatementCYSMorrill45 min
Jun 20, 8:14 PM MDTSpecial Weather StatementCYSMorrill31 min
Jun 20, 8:33 PM MDTSevere Thunderstorm WarningCYSCheyenne, Morrill42 min
Jun 21, 1:40 PM MDTSpecial Weather StatementCYSMorrill35 min
Jun 21, 2:11 PM MDTSpecial Weather StatementCYSDawes34 min
Jun 21, 2:26 PM MDTSevere Thunderstorm WarningCYSDawes34 min
Jun 21, 2:33 PM MDTSevere Thunderstorm WarningCYSDawes27 min
Jun 21, 2:45 PM MDTSpecial Weather StatementCYSSioux30 min
Jun 21, 2:58 PM MDTSevere Thunderstorm WarningCYSDawes32 min
Jun 21, 3:13 PM MDTSpecial Weather StatementCYSDawes32 min
Jun 21, 3:33 PM MDTSpecial Weather StatementCYSDawes27 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 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.