Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Frost Advisory |
| Area(s): | Northern Clearwater Mountains; Southern Clearwater Mountains; Orofino/Grangeville Region; Eastern Lemhi County; Kootenai/Cabinet Region; Flathead/Mission Valleys; Lower Clark Fork Region; Missoula/Bitterroot Valleys |
| Effective: | 2026-06-07 @ 12:35 pm -> 2026-06-08 @ 10:00 am |
| Onset: | 2026-06-08 @ 1:00 am -> 2026-06-08 @ 10:00 am |
| Severity: | Minor |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-06-07 @ 12:35 pm |
| Headline: | Frost Advisory issued June 7 at 11:35AM MDT until June 8 at 9:00AM MDT by NWS Missoula MT |
| Description: |
* WHAT...Temperatures between 30 to 36 degrees will result in frost formation. Localized cold spots could reach into the upper 20s. * WHERE...In Idaho, Orofino/Grangeville Region, Southern Clearwater Mountains, Eastern Lemhi County, and Northern Clearwater Mountains. In Montana, Flathead/Mission Valleys, Kootenai/Cabinet Region, Lower Clark Fork Region, and Missoula/Bitterroot Valleys. * WHEN...From midnight MDT /11 PM PDT/ tonight to 9 AM MDT /8 AM PDT/ Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. |