Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | High Wind Warning |
| Area(s): | Fergus County below 4500ft; Snowy and Judith Mountains |
| Effective: | 2026-09-14 @ 1:22 am -> 2026-09-14 @ 7:00 pm |
| Onset: | 2026-09-14 @ 10:00 am -> 2026-09-14 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-09-14 @ 1:22 am |
| Headline: | High Wind Warning issued September 14 at 12:22AM MDT until September 14 at 6:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...West winds 30 to 40 mph, with gusts up to 60 mph expected. * WHERE...Snowy and Judith Mountains and Fergus County below 4500ft. * WHEN...From 9 AM this morning to 6 PM MDT this evening. * IMPACTS...Travel could be difficult, especially for high profile vehicles. |
| Alert: | Lake Wind Advisory |
| Area(s): | Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone |
| Effective: | 2026-09-14 @ 12:48 am -> 2026-09-14 @ 4:00 pm |
| Onset: | 2026-09-14 @ 12:48 am -> 2026-09-15 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-09-14 @ 12:48 am |
| Headline: | Lake Wind Advisory issued September 13 at 11:48PM MDT until September 15 at 12:00AM MDT by NWS Glasgow MT |
| Description: |
* WHAT...Southeast winds at 10 to 20 with gusts to 30 mph, switching to west northwest at 20 to 30 mph with gusts up to 50 mph after 8 AM. * WHERE...Fort Peck Lake, Medicine Lake, and Nelson Reservoir. * WHEN...Until midnight MDT Monday Night. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...Wave heights as high as 4 to 5 feet on Fort Peck Lake. |
