Alert archive / Nebraska / Freeze Warnings in 2025

Freeze Warning 3, NWS Cheyenne, WY

October 18, 2025Cheyenne County, Morrill County, Scotts Bluff County, Nebraska

NWS Cheyenne, WY issued this freeze warning at Oct 18, 2025, 1:47 AM MDT for Cheyenne County, Morrill County, Scotts Bluff County, Nebraska. It took effect at Oct 19, 2025, 12:00 AM MDT. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 18, 2025, 1:47 AM MDT (07:47 UTC)
In effect from: Oct 19, 2025, 12:00 AM MDT
Expired: Oct 19, 2025, 7:00 AM MDT
In force: 7 hr
Issued by: NWS Cheyenne, WY

Counties Cheyenne County, NE, Morrill County, NE, Scotts Bluff County, NE

The radar

The Cheyenne radar (KCYS), 140 km from the middle of the area, began a volume at 07:47 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

Riverton, WY (KRIW), launched 00:00Z, 7.8 hours before the alert went out and 455 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2234 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 204 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this freeze 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 freeze warning went out at Oct 17, 11:02 PM MDT, 2 hours 45 minutes earlier.

Area forecast discussion, Oct 17, 11:02 PM MDT, 2 hours 45 minutes before

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Hazardous weather outlook, Oct 17, 3:20 PM MDT, 10 hours 27 minutes before

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In the hours before

Local storm report, Oct 17, 9:34 PM MDT, 4 hours 13 minutes before

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Local storm report, Oct 17, 10:19 PM MDT, 3 hours 28 minutes before

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Local storm report, Oct 17, 11:59 PM MDT, 1 hour 48 minutes before

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Local storm report, Oct 18, 1:06 AM MDT, 41 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
Oct 18, 1:47 AM MDT	High Wind Watch	CYS	Albany, Carbon, Laramie, Platte	12 hr
Oct 18, 1:36 PM MDT	High Wind Warning	CYS	Albany, Carbon, Laramie, Platte	49 hr

Nearby

Freeze Warnings in Nebraska, 2025 Every freeze warning in 2025

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.