Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. 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

45°F

7°C

Humidity 74%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 04 Aug 03:15 AM MDT
Extended Forecast for

12 Miles SSE Potomac MT

  • Overnight

    Overnight: Patchy smoke. Mostly clear, with a low around 37. East wind 3 to 5 mph.

    Low: 37 °F

    Patchy Smoke

  • Tuesday

    Tuesday: Patchy smoke. Sunny, with a high near 68. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.

    High: 68 °F

    Patchy Smoke

  • Tuesday Night

    Tuesday Night: 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 73. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 73 °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  in the evening.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

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

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy smoke. Mostly clear, with a low around 37. East wind 3 to 5 mph.
Tuesday
Patchy smoke. Sunny, with a high near 68. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.
Tuesday Night
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 73. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 47. West northwest wind 5 to 7 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 79.
Thursday Night
Clear, with a low around 52.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSE Potomac MT
 46.73°N 113.44°W (Elev. 6135 ft)
2:01 am MDT Aug 4, 2026
3am 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