Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Dense Fog Advisory |
| Area(s): | Northern Rosebud; Custer; Fallon; Powder River; Carter; Golden Valley; Southern Rosebud; Livingston Area; Beartooth Foothills; Northern Sweet Grass; Sheridan Foothills |
| Effective: | 2026-11-01 @ 12:44 pm -> 2026-11-01 @ 1:45 pm |
| Onset: | 2026-11-01 @ 12:44 pm -> 2026-11-01 @ 1:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-11-01 @ 12:44 pm |
| Headline: | Dense Fog Advisory issued November 1 at 11:44AM MST until November 1 at 12:00PM MST by NWS Billings MT |
| Description: |
Areas of dense fog have diminished for portions of southern Montana, west of Billings and in southeast Montana. |
| Alert: | Winter Weather Advisory |
| Area(s): | Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains |
| Effective: | 2026-11-01 @ 11:40 am -> 2026-11-02 @ 11:45 am |
| Onset: | 2026-11-02 @ 12:00 am -> 2026-11-02 @ 9:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-11-01 @ 11:40 am |
| Headline: | Winter Weather Advisory issued November 1 at 10:40AM MST until November 2 at 8:00PM MST by NWS Billings MT |
| Description: |
* WHAT...Moderate to heavy snow expected. Total snow accumulations up to 11 inches. Winds gusting as high as 50 mph. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...From 11 PM this evening to 8 PM MST Monday. * IMPACTS...Snow and blowing snow will make back country recreation and travel along Highway 14 through the Bighorn Mountains very difficult. Visibilities may drop below 1/4 mile due to falling and blowing snow. * ADDITIONAL DETAILS...The heaviest snowfall is expected Monday morning. |
| Alert: | High Wind Warning |
| Area(s): | Northeast Johnson County |
| Effective: | 2026-11-01 @ 11:10 am -> 2026-11-02 @ 8:00 am |
| Onset: | 2026-11-02 @ 4:00 am -> 2026-11-02 @ 4:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-11-01 @ 11:10 am |
| Headline: | High Wind Warning issued November 1 at 10:10AM MST until November 2 at 3:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...North to northwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Northeast Johnson County. * WHEN...From 3 AM to 3 PM MST Monday. * IMPACTS...Travel could be difficult, especially for high profile vehicles, including Interstates 25 and 90. |
| Alert: | Winter Weather Advisory |
| Area(s): | Wind River Mountains West |
| Effective: | 2026-11-01 @ 11:07 am -> 2026-11-02 @ 6:00 am |
| Onset: | 2026-11-01 @ 11:07 am -> 2026-11-02 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-11-01 @ 11:07 am |
| Headline: | Winter Weather Advisory issued November 1 at 10:07AM MST until November 2 at 5:00AM MST by NWS Riverton WY |
| Description: |
* WHAT...Snow. Additional snow accumulations 2 to 6 inches above 9000 feet. * WHERE...Wind River Mountains West. * WHEN...Until 5 AM MST Monday. * IMPACTS...Mountain travel could be difficult. * ADDITIONAL DETAILS...South Pass snow totals up to 4 inches, mainly for the highest elevations. |
| Alert: | Winter Weather Advisory |
| Area(s): | Bighorn Mountains Southeast |
| Effective: | 2026-11-01 @ 11:07 am -> 2026-11-02 @ 8:00 am |
| Onset: | 2026-11-02 @ 2:00 am -> 2026-11-02 @ 6:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-11-01 @ 11:07 am |
| Headline: | Winter Weather Advisory issued November 1 at 10:07AM MST until November 2 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Snow expected. Total snow accumulations 6 to 10 inches above 9000 feet. Total accumulations 10 to 15 inches at the highest elevations near Cloud Peak. Winds gusting as high as 55 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...From 1 AM to 5 PM MST Monday. * IMPACTS...Travel could be difficult across mountain passes due to a combination of falling snow and gusty winds. * ADDITIONAL DETAILS...The greatest accumulations will occur across the far northern range, north of Powder River Pass. Up to 2 inches snow for Powder River Pass. Total snow accumulations 5 to 8 inches at Granite Pass. |
| Alert: | Winter Weather Advisory |
| Area(s): | Wind River Mountains East |
| Effective: | 2026-11-01 @ 11:07 am -> 2026-11-02 @ 8:00 am |
| Onset: | 2026-11-01 @ 9:00 pm -> 2026-11-02 @ 6:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-11-01 @ 11:07 am |
| Headline: | Winter Weather Advisory issued November 1 at 10:07AM MST until November 2 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Snow expected. Total snow accumulations 5 to 8 inches above 9000 feet. * WHERE...Wind River Mountains East. * WHEN...From 8 PM this evening to 5 PM MST Monday. * IMPACTS...Mountain travel could be difficult. * ADDITIONAL DETAILS...South Pass snow totals up to 4 inches, mainly for the highest elevations. |
