< Wyoming Winter Storm Warning | Effective 05/18/2026 00:31

Wyoming Winter Storm Warning | Effective 05/18/2026 00:31

Headline: 
Winter Storm Warning issued May 18 at 1:31AM MDT until May 18 at 6:00PM MDT by NWS Cheyenne WY
Event: 
Winter Storm Warning
Urgency: 
Expected
Effective: 
May 18, 2026 - 12:31am
Expires: 
May 18, 2026 - 3:00pm
Description: 
* WHAT...Heavy snow. Total snow accumulations 10 to 20 inches expected with locally higher amounts possible. Winds could gust as high as 30 to 40 mph with periods of blowing and drifting snow, especially above 8500 feet. * WHERE...Snowy Range and North Laramie Range. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Heavy wet snow. Roads, and especially bridges, will likely become slick and hazardous.
Instruction: 
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Area Description: 
North Laramie Range; Snowy Range
Forcast Office: 
NWS Cheyenne WY