winterstormwarning.com

Winter Weather Advisory, Wyoming

Moderate

Another up to 2 inches of snow is possible, gusts up to 45 mph. Roads, and especially bridges and overpasses, will remain slick and hazardous.

Ended Friday, April 3, 2026.

Issued
Expires
Updated

Places in this advisory

How much

Snow across the area
Another up to 2 inches
Wind gusts
Up to 45 mph

Map

Map of Wyoming with this advisory The Winter Weather Advisory covers Casper, Jackson, Powell. I-90I-15US 87US 14CasperJacksonPowellWorlandWYOMINGIDAHOMONTANA50 mi I-15US 14CasperJacksonPowellWorlandWYOMINGIDAHOMONTANA50 mi I-90I-25US 14CasperJacksonPowellWYOMINGIDAHOMONTANA50 mi I-90CasperJacksonPowellWYOMINGIDAHOMONTANA100 mi
  • This advisory
  • Interstates
  • US highways
Alert area: National Weather Service. Borders and highways: U.S. Census Bureau. Lakes, rivers and other countries: Natural Earth. Open this area in OpenStreetMap

Details from the National Weather Service

What
Snow. Additional snow accumulations up to 2 inches is possible. Winds gusting as high as 45 mph.
Where
Casper Mountain, Natrona County Lower Elevations, and Southeast Johnson County.
When
Until 6 in the evening this evening.
Impacts
Roads, and especially bridges and overpasses, will remain slick and hazardous. Plan on slippery road conditions.

Updates

  1. Allowed to end on time. April 3, 2026
  2. Snow totals lowered from up to 3 inches to up to 2 inches. Ended for part of the area. April 3, 2026
  3. Snow totals lowered from 1 to 5 inches to up to 3 inches. Ended for part of the area. April 3, 2026
  4. Snow totals lowered from 6 to 12 inches to 1 to 5 inches. April 3, 2026
  5. Area expanded. April 2, 2026
  6. Winter Weather Advisory issued for Thursday overnight through Friday evening. April 2, 2026