Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

Lat: 46.71854°NLon: 113.29534°WElev: 3901.0ft.

NA

39°F

4°C

Humidity 95%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 04 Aug 07:15 AM MDT
Extended Forecast for

11 Miles SSE Potomac MT

  • Today

    Today: Patchy smoke. Sunny, with a high near 66. Light and variable wind becoming northwest around 6 mph in the afternoon.

    High: 66 °F

    Patchy Smoke

  • Tonight

    Tonight: Mostly clear, with a low around 44. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy smoke between 2pm and 5pm. Sunny, with a high near 72. West northwest wind 3 to 7 mph.

    High: 72 °F

    Sunny then
    Patchy Smoke

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. West northwest wind 5 to 7 mph becoming light and variable.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Patchy smoke. Sunny, with a high near 66. Light and variable wind becoming northwest around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 44. Northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Patchy smoke between 2pm and 5pm. Sunny, with a high near 72. West northwest wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 47. West northwest wind 5 to 7 mph becoming light and variable.
Thursday
Sunny, with a high near 78. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon.
Thursday Night
Clear, with a low around 52.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 74.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSE Potomac MT
 46.75°N 113.47°W (Elev. 6401 ft)
2:01 am MDT Aug 4, 2026
7am MDT Aug 4, 2026-6pm MDT Aug 10, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database