Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Special Weather Statement |
| Area(s): | Southern Rocky Mountain Front; Southern High Plains; Eastern Pondera and Eastern Teton; Cascade County below 5000ft; Gates of the Mountains |
| Effective: | 2026-09-16 @ 4:38 am -> 2026-09-16 @ 7:30 am |
| Onset: | 2026-09-16 @ 4:38 am |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-09-16 @ 4:38 am |
| Headline: | Special Weather Statement issued September 16 at 3:38AM MDT by NWS Great Falls MT |
| Description: |
Patchy fog will affect portions of North Central MT this morning. Visibility will be reduced to less than one half mile at times. Some locations that could experience fog are Cascade, Belt, Choteau and the Interstate 15 corridor from the city of Ulm to Sieben flats. Reminder, reduce driving speeds in areas of poor visibility. |