Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Cold Weather Advisory |
| Area(s): | Central and Southeast Phillips; Garfield; McCone; Dawson; Prairie; Wibaux; Southwest Phillips |
| Effective: | 2026-01-21 @ 2:26 pm -> 2026-01-25 @ 2:00 pm |
| Onset: | 2026-01-22 @ 4:00 am -> 2026-01-22 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-01-21 @ 2:26 pm |
| Headline: | Cold Weather Advisory issued January 21 at 1:26PM MST until January 25 at 1:00PM MST by NWS Glasgow MT |
| Description: |
* WHAT...Very cold wind chills of 25 below to 30 below expected. * WHERE...Central and Southeast Phillips, Dawson, Garfield, McCone, Prairie, Southwest Phillips, and Wibaux Counties. * WHEN...From 3 AM Thursday to 1 PM MST Sunday. * IMPACTS...The dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure. |
| Alert: | Extreme Cold Warning |
| Area(s): | Daniels; Sheridan; Western Roosevelt; Richland; Northern Valley; Eastern Roosevelt |
| Effective: | 2026-01-21 @ 2:26 pm -> 2026-01-25 @ 2:00 pm |
| Onset: | 2026-01-22 @ 4:00 am -> 2026-01-22 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-01-21 @ 2:26 pm |
| Headline: | Extreme Cold Warning issued January 21 at 1:26PM MST until January 25 at 1:00PM MST by NWS Glasgow MT |
| Description: |
* WHAT...Dangerously cold wind chills as low as 47 below expected. * WHERE...Daniels, Eastern Roosevelt, Northern Valley, Richland, Sheridan, and Western Roosevelt Counties. * WHEN...From 3 AM Thursday to 1 PM MST Sunday. * IMPACTS...The dangerously cold wind chills around 45 below zero could cause frostbite on exposed skin in as little as 10 minutes. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. An extended period of freezing temperatures could cause ruptured water pipes. |
| Alert: | Cold Weather Advisory |
| Area(s): | Central and Southern Valley; Northern Phillips |
| Effective: | 2026-01-21 @ 2:26 pm -> 2026-01-25 @ 2:00 pm |
| Onset: | 2026-01-22 @ 4:00 am -> 2026-01-22 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-01-21 @ 2:26 pm |
| Headline: | Cold Weather Advisory issued January 21 at 1:26PM MST until January 25 at 1:00PM MST by NWS Glasgow MT |
| Description: |
* WHAT...Very cold wind chills of 30 below to 35 below expected. * WHERE...Central and Southern Valley and Northern Phillips Counties. * WHEN...From 3 AM Thursday to 1 PM MST Sunday. * IMPACTS...The dangerously cold wind chills of 30 below to 35 below zero could cause frostbite on exposed skin in as little as 10 minutes. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure. |
| Alert: | Cold Weather Advisory |
| Area(s): | Custer; Fallon; Carter |
| Effective: | 2026-01-21 @ 2:11 pm -> 2026-01-23 @ 11:00 am |
| Onset: | 2026-01-22 @ 4:00 pm -> 2026-01-22 @ 2:15 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-01-21 @ 2:11 pm |
| Headline: | Cold Weather Advisory issued January 21 at 1:11PM MST until January 23 at 10:00AM MST by NWS Billings MT |
| Description: |
* WHAT...Cold temperatures as low as 15 to 25 below and very cold wind chills as low as 25 to 35 below expected. * WHERE...Carter, Custer, and Fallon. * WHEN...From 3 PM Thursday to 10 AM MST Friday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. |
| Alert: | Extreme Cold Watch |
| Area(s): | Hill County; Northern Blaine County; Bears Paw Mountains and Southern Blaine |
| Effective: | 2026-01-21 @ 1:40 pm -> 2026-01-23 @ 11:00 am |
| Onset: | 2026-01-22 @ 7:00 pm -> 2026-01-22 @ 4:45 am |
| Severity: | Extreme |
| Certainty: | Likely |
| Urgency: | Future |
| Issued By: | NWS Great Falls MT on 2026-01-21 @ 1:40 pm |
| Headline: | Extreme Cold Watch issued January 21 at 12:40PM MST until January 23 at 10:00AM MST by NWS Great Falls MT |
| Description: |
* WHAT...Dangerously cold wind chills as low as 40 below possible. * WHERE...Bears Paw Mountains and Southern Blaine, Hill County, and Northern Blaine County. * WHEN...From Thursday evening through Friday morning. * IMPACTS...The dangerously cold wind chills as low as 40 below zero could cause frostbite on exposed skin in as little as 10 minutes. |