Alert archive / Nebraska / Freeze Warnings in 2026

Freeze Warning 2, NWS Cheyenne, WY

May 18, 20267 counties in Wyoming; 8 counties in Nebraska

NWS Cheyenne, WY issued this freeze warning at May 18, 2026, 1:15 AM MDT for 7 counties in Wyoming; 8 counties in Nebraska. It took effect at May 18, 2026, 6:00 PM MDT. It was in force for 18 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: May 18, 2026, 1:15 AM MDT (07:15 UTC)
In effect from: May 18, 2026, 6:00 PM MDT
Expired: May 19, 2026, 12:00 PM MDT
In force: 18 hr
Issued by: NWS Cheyenne, WY

Counties Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sioux County, NE, Albany County, WY, Carbon County, WY, Converse County, WY, Goshen County, WY, Laramie County, WY, Niobrara County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 104 km from the middle of the area, began a volume at 07:17 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.

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 May 17, 11:54 PM MDT, 1 hour 21 minutes earlier.

Area forecast discussion, May 17, 11:54 PM MDT, 1 hour 21 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
May 18, 8:40 AM MDT	Blizzard Warning	CYS	Albany, Carbon	6 hr
May 18, 1:00 PM MDT	Freeze Watch	CYS	Albany, Carbon, Converse, Laramie	23 hr

Nearby

Freeze Warnings in Nebraska, 2026 Freeze Warnings in Wyoming, 2026 Every freeze 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.