Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Special Weather Statement |
| Area(s): | Madison River Valley |
| Effective: | 2026-10-26 @ 4:54 pm -> 2026-10-26 @ 8:00 pm |
| Onset: | 2026-10-26 @ 4:54 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-10-26 @ 4:54 pm |
| Headline: | Special Weather Statement issued October 26 at 3:54PM MDT by NWS Great Falls MT |
| Description: |
Dense fog is continuing over Norris Hill and the northern portion of the Madison River Valley. Fog will continue through this evening. Those traveling along US Highway 287 should be alert for variable road conditions with sudden reductions in visibility. When driving, slow down and use low beam headlights. |
| Alert: | Winter Weather Advisory |
| Area(s): | Gallatin and Madison County Mountains and Centennial Mountains |
| Effective: | 2026-10-26 @ 1:26 pm -> 2026-10-27 @ 7:00 am |
| Onset: | 2026-10-26 @ 10:00 pm -> 2026-10-27 @ 7:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-10-26 @ 1:26 pm |
| Headline: | Winter Weather Advisory issued October 26 at 12:26PM MDT until October 27 at 6:00AM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Snow expected. Total snow accumulations 2 to 5 inches. Winds gusting as high as 40 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 9 PM this evening to 6 AM MDT Tuesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. |
| Alert: | Lake Wind Advisory |
| Area(s): | Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone |
| Effective: | 2026-10-26 @ 12:05 am -> 2026-10-27 @ 5:00 am |
| Onset: | 2026-10-26 @ 12:05 am -> 2026-10-27 @ 5:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-10-26 @ 12:05 am |
| Headline: | Lake Wind Advisory issued October 25 at 11:05PM MDT until October 27 at 4:00AM MDT by NWS Glasgow MT |
| Description: |
* WHAT...Southeast winds 15 to 25 mph with gusts up to 35 mph. * WHERE...Fort Peck Lake. * WHEN...Until 4 AM MDT Tuesday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...Expect wave heights up to 4 feet. |
