Alert archive / Nebraska / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 297, NWS Cheyenne, WY

August 25, 2026Cheyenne County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 25, 2026, 6:25 PM MDT for Cheyenne County, Nebraska. It was in force for 34 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 25, 2026, 6:25 PM MDT (00:25 UTC)
Expired
Aug 25, 2026, 6:59 PM MDT
In force
34 min
Issued by
NWS Cheyenne, WY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Cheyenne County, NE

The radar

The Cheyenne radar (KCYS), 152 km from the middle of the area, began a volume at 00:25 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 nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 0.4 hours before the alert went out and 467 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Dodge City, at 00:00Z on 2026-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 198 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 00:00Z on 2026-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
198 J/kg
Mixed-layer CIN
-149 J/kg
Mixed-layer LCL
2498 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 6:18 PM MDTSevere Thunderstorm Warning Considerable damage threatCYSGoshen, Laramie42 min
Aug 25, 6:57 PM MDTSevere Thunderstorm WarningCYSGoshen, Niobrara48 min
Aug 25, 8:01 PM MDTSevere Thunderstorm WarningCYSGoshen44 min
Aug 25, 9:07 PM MDTSpecial Weather StatementCYSAlbany23 min
Aug 25, 9:25 PM MDTSpecial Weather StatementCYSAlbany35 min
Aug 25, 11:01 PM MDTSpecial Weather StatementCYSPlatte44 min
Aug 25, 11:08 PM MDTSevere Thunderstorm Warning Considerable damage threatCYSGoshen, Platte52 min
Aug 25, 11:12 PM MDTSpecial Weather StatementCYSLaramie48 min
Aug 25, 11:46 PM MDTSpecial Weather StatementCYSGoshen44 min
Aug 25, 11:53 PM MDTSpecial Weather StatementCYSLaramie52 min
Aug 26, 12:44 AM MDTSpecial Weather StatementCYSLaramie31 min
Aug 26, 2:25 PM MDTSpecial Weather StatementCYSLaramie35 min
Aug 26, 3:17 PM MDTSpecial Weather StatementCYSPlatte28 min
Aug 26, 3:35 PM MDTSpecial Weather StatementCYSLaramie25 min
Aug 26, 3:48 PM MDTSevere Thunderstorm WarningCYSLaramie42 min
Aug 26, 3:55 PM MDTSpecial Weather StatementCYSNiobrara35 min
Aug 26, 4:04 PM MDTSpecial Weather StatementCYSLaramie26 min
Aug 26, 4:19 PM MDTAreal Flood AdvisoryCYSLaramie64 min
Aug 26, 4:32 PM MDTSpecial Weather StatementCYSLaramie28 min
Aug 26, 4:32 PM MDTSevere Thunderstorm WarningCYSLaramie43 min
Aug 26, 4:34 PM MDTSpecial Weather StatementCYSLaramie26 min
Aug 26, 4:43 PM MDTSevere Thunderstorm WarningCYSGoshen, Niobrara22 min
Aug 26, 4:59 PM MDTSpecial Weather StatementCYSLaramie31 min
Aug 26, 5:00 PM MDTSpecial Weather StatementCYSLaramie30 min
Aug 26, 5:27 PM MDTSevere Thunderstorm WarningCYSGoshen, Laramie48 min
Aug 26, 5:38 PM MDTSpecial Weather StatementCYSConverse37 min
Aug 26, 5:52 PM MDTSpecial Weather StatementCYSConverse38 min
Aug 25, 6:04 PM MDTSevere Thunderstorm WarningCYSBox Butte, Morrill41 min
Aug 25, 6:11 PM MDTSpecial Weather StatementCYSCheyenne34 min
Aug 25, 6:31 PM MDTSevere Thunderstorm WarningCYSMorrill44 min
Aug 25, 6:34 PM MDTSpecial Weather StatementCYSSioux26 min
Aug 25, 6:36 PM MDTSpecial Weather StatementCYSSioux24 min
Aug 25, 6:58 PM MDTSpecial Weather StatementCYSBox Butte32 min
Aug 25, 7:27 PM MDTSpecial Weather StatementCYSBox Butte33 min
Aug 25, 7:37 PM MDTSpecial Weather StatementCYSSioux38 min
Aug 25, 7:52 PM MDTSevere Thunderstorm WarningCYSBox Butte, Morrill, Scotts Bluff, Sioux38 min
Aug 25, 8:19 PM MDTSpecial Weather StatementCYSMorrill26 min
Aug 25, 8:39 PM MDTSevere Thunderstorm WarningCYSScotts Bluff, Sioux51 min
Aug 25, 9:18 PM MDTSpecial Weather StatementCYSScotts Bluff27 min
Aug 26, 1:24 AM MDTSpecial Weather StatementCYSBanner, Kimball36 min
Aug 26, 3:01 AM MDTSpecial Weather StatementCYSCheyenne29 min
Aug 26, 4:20 PM MDTSpecial Weather StatementCYSSioux25 min
Aug 26, 4:36 PM MDTSevere Thunderstorm WarningCYSDawes, Sioux39 min
Aug 26, 5:03 PM MDTSpecial Weather StatementCYSSioux27 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.