Red Flag Warning issued August 2 at 11:58AM MDT until August 3 at 3:00AM MDT by NWS Great Falls MT
Severe weather warning
Now
From Today 11:58 (3 hours ago)
Until Tomorrow 03:00 (11 hours from now)
Official warning explanations:
  • AFFECTED AREA: Eastern Glacier/Toole/Central/Eastern Pondera/Liberty, Hill and Blaine Counties, Lewis and Clark National Forest Rocky Mountain District-Rocky Mountain Front, Chouteau and Fergus Counties, Lincoln Ranger District of the Helena National Forest, Central and Eastern Lewis and Clark National Forest Areas and Helena and Townsend Ranger Districts of the Helena National Forest.

  • WINDS: Northwest 15 to 25 mph with gusts up to 45 mph.

  • RELATIVE HUMIDITY: As low as 10 percent.

  • TEMPERATURES: Up to 90.

  • COLD FRONT: A cold front will arrive Sunday evening and shift the winds from westerly to more northerly.

  • IMPACTS: Any fires that develop will spread rapidly. Containment of any ongoing or new fires may be very difficult. Outdoor burning is not recommended.

* AFFECTED AREA...Eastern Glacier/Toole/Central/Eastern Pondera/Liberty, Hill and Blaine Counties, Lewis and Clark National Forest Rocky Mountain District-Rocky Mountain Front, Chouteau and Fergus Counties, Lincoln Ranger District of the Helena National Forest, Central and Eastern Lewis and Clark National Forest Areas and Helena and Townsend Ranger Districts of the Helena National Forest. * WINDS...Northwest 15 to 25 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 10 percent. * TEMPERATURES...Up to 90. * COLD FRONT...A cold front will arrive Sunday evening and shift the winds from westerly to more northerly. * IMPACTS...Any fires that develop will spread rapidly. Containment of any ongoing or new fires may be very difficult. Outdoor burning is not recommended.

Instructions:

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning.

Air Quality Alert issued August 2 at 9:12AM MDT by NWS Great Falls MT
Now
From Today 09:12 (6 hours ago)
Until Tomorrow 09:00 (17 hours from now)
Official warning explanations:

AQAMT

The Montana Department of Environmental Quality has issued an air quality alert for Chouteau, Flathead, Glacier, Hill, Lake, Liberty, Lincoln, Pondera, Sanders, Teton, Toole counties in effect until 9AM on 08/03/2026 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 from wildfire smoke

As of 7AM on 08/02/2026, particulate levels in Libby are Unhealthy for Sensitive Groups.

As of 7AM on 08/02/2026, particulate levels in Billings, Butte, Cut Bank, Dillon, Frenchtown, Great Falls, Hamilton, Havre, Helena, Lewistown, Malta, Missoula and Sleeping Giant are Moderate.

When air quality is Unhealthy for Sensitive Groups, State and local health officials recommend that people with respiratory or heart disease, the elderly and children should limit prolonged exertion.

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

AQAMT The Montana Department of Environmental Quality has issued an air quality alert for Chouteau, Flathead, Glacier, Hill, Lake, Liberty, Lincoln, Pondera, Sanders, Teton, Toole counties in effect until 9AM on 08/03/2026 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 from wildfire smoke As of 7AM on 08/02/2026, particulate levels in Libby are Unhealthy for Sensitive Groups. As of 7AM on 08/02/2026, particulate levels in Billings, Butte, Cut Bank, Dillon, Frenchtown, Great Falls, Hamilton, Havre, Helena, Lewistown, Malta, Missoula and Sleeping Giant are Moderate. When air quality is Unhealthy for Sensitive Groups... State and local health officials recommend that people with respiratory or heart disease, the elderly and children should limit prolonged exertion. 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

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