Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Winter Weather Advisory |
| Area(s): | Gallatin and Madison County Mountains and Centennial Mountains |
| Effective: | 2026-10-26 @ 10:52 pm -> 2026-10-27 @ 7:00 am |
| Onset: | 2026-10-26 @ 10:52 pm -> 2026-10-27 @ 7:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-10-26 @ 10:52 pm |
| Headline: | Winter Weather Advisory issued October 26 at 9:52PM MDT until October 27 at 6:00AM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Snow. Additional snow accumulations of 2 to 4 inches. Winds gusting as high as 40 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 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. |
