Yellowstone National Park, Wyoming

Regional Weather Alerts


     

Alert: Winter Weather Advisory
Area(s): Southern Rosebud; Southern Big Horn; Sheridan Foothills
Effective: 2026-01-20 @ 2:00 am -> 2026-01-20 @ 6:00 pm
Onset: 2026-01-20 @ 9:00 am -> 2026-01-20 @ 6:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Billings MT on 2026-01-20 @ 2:00 am
Headline: Winter Weather Advisory issued January 20 at 1:00AM MST until January 20 at 5:00PM MST by NWS Billings MT
Description: * WHAT...Areas of snow and blowing snow expected. Total snow
accumulations up to two inches, greatest over the hills and near
the Bighorn and Pryor Mountains. Northwest winds gusting as high as
50 mph.

* WHERE...In Montana, Southern Big Horn and Southern Rosebud. In
Wyoming, Sheridan Foothills.

* WHEN...From 8 AM this morning to 5 PM MST this afternoon.

* IMPACTS...Plan on slick roads and poor visibility. This includes
I-90 from Lodge Grass to Sheridan, and US-212 over Lame Deer
Divide. Hazardous conditions could impact the evening commute.

* ADDITIONAL DETAILS...Worst travel conditions are expected to occur
between 10 am and 3 pm.

Alert: Winter Weather Advisory
Area(s): Custer; Fallon; Powder River; Carter
Effective: 2026-01-20 @ 2:00 am -> 2026-01-20 @ 9:00 pm
Onset: 2026-01-20 @ 6:00 am -> 2026-01-20 @ 9:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Billings MT on 2026-01-20 @ 2:00 am
Headline: Winter Weather Advisory issued January 20 at 1:00AM MST until January 20 at 8:00PM MST by NWS Billings MT
Description: * WHAT...Areas of snow and blowing snow expected. Total snow
accumulations up to two inches, greatest over the hills. Northwest
winds gusting as high as 45 mph.

* WHERE...Carter, Custer, Fallon, and Powder River.

* WHEN...From 5 AM early this morning to 8 PM MST this evening.

* IMPACTS...Plan on slick roads and poor visibility. This includes
US-12 between Miles City and Baker, and US-212 from Home Creek
Divide to Alzada. Hazardous conditions could impact the evening
commute.

* ADDITIONAL DETAILS...Most snow accumulation will occur during the
day, but some light snow or flurries are expected to linger into
the early evening.

Alert: Winter Weather Advisory
Area(s): McCone; Richland; Dawson; Prairie; Wibaux
Effective: 2026-01-19 @ 1:24 am -> 2026-01-20 @ 6:00 pm
Onset: 2026-01-20 @ 3:00 am -> 2026-01-20 @ 6:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Glasgow MT on 2026-01-19 @ 1:24 am
Headline: Winter Weather Advisory issued January 19 at 12:24AM MST until January 20 at 5:00PM MST by NWS Glasgow MT
Description: * WHAT...Snow expected. Total snow accumulations of 1 to 3 inches.

* WHERE...Dawson, McCone, Prairie, Richland, and Wibaux Counties.

* WHEN...From 2 AM to 5 PM MST Tuesday.

* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Tuesday morning and evening commutes.