Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Fire Weather Watch |
| Area(s): | Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties; Dawson/McCone/Prairie/Richland/Wibaux Counties; Northern Valley and Northern Phillips Counties; The Little Rockies; The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge; Southern Petroleum and Southern Garfield Counties |
| Effective: | 2026-08-04 @ 12:48 pm -> 2026-08-05 @ 5:15 am |
| Onset: | 2026-08-06 @ 1:00 pm -> 2026-08-06 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Glasgow MT on 2026-08-04 @ 12:48 pm |
| Headline: | Fire Weather Watch issued August 4 at 11:48AM MDT until August 6 at 8:00PM MDT by NWS Glasgow MT |
| Description: |
The National Weather Service in Glasgow has issued a Fire Weather Watch, which is in effect from Thursday afternoon through Thursday evening. * AFFECTED AREA...Fire weather zones 120, 122, 134, 135, 136, and 137. * WIND...Northwest at 15 to 25 mph with gusts to 35 mph. * HUMIDITY...As low as 10 percent in the southwest, and as low as 15 percent in the northeast. * THUNDERSTORMS...None * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. |
| Alert: | Air Quality Alert |
| Area(s): | Beaverhead, MT; Deer Lodge, MT; Granite, MT; Lake, MT; Madison, MT; Mineral, MT; Missoula, MT; Powell, MT; Ravalli, MT; Sanders, MT; Silver Bow, MT |
| Effective: | 2026-08-04 @ 8:12 am -> 2026-08-05 @ 10:00 am |
| Onset: | 2026-08-04 @ 8:12 am |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Great Falls MT on 2026-08-04 @ 8:15 am |
| Headline: | Air Quality Alert issued August 4 at 7:12AM MDT by NWS Great Falls MT |
| Description: |
AQAMT The Montana Department of Environmental Quality has issued an air quality alert for Beaverhead, Deer Lodge, Granite, Lake, Madison, Mineral, Missoula, Powell, Ravalli, Sanders, and Silver Bow counties in effect until 9AM on 08/05/2026 An Air Quality Alert means that particulates have been trending upwards and that an exceedance of the 24 hour National Ambient Air Quality Standard (NAAQS) has occurred or may occur in the near future. Elevated particulate levels due to wildfire smoke As of 6AM on 08/04/2026, particulate levels in Billings, Butte, Columbia Falls, Cut Bank, Dillon, Frenchtown, Great Falls, Hamilton, Helena, Libby, Missoula, Sleeping Giant and Thompson Falls are Moderate. When air quality is Moderate... State and local health officials recommend that unusually sensitive people should consider reducing prolonged or heavy exertion. For more information visit the Montana Department of Environmental Quality at http://todaysair.mtdeq.us |
| Alert: | Air Quality Alert |
| Area(s): | Flathead, MT; Lincoln, MT |
| Effective: | 2026-08-04 @ 8:12 am -> 2026-08-05 @ 10:00 am |
| Onset: | 2026-08-04 @ 8:12 am |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Great Falls MT on 2026-08-04 @ 8:15 am |
| Headline: | Air Quality Alert issued August 4 at 7:12AM MDT by NWS Great Falls MT |
| Description: |
AQAMT The Air Quality Alert for Flathead and Lincoln Counties has been cancelled. For more information visit the Montana Department of Environmental Quality at www.todaysair.mt.gov |