National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

93°F

34°C

Humidity 25%
Wind Speed NW 5 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Heat Index90°F (32°C)
Last update 14 Jul 06:16 PM MDT
Extended Forecast for

Potomac MT

Wind Advisory July 14, 09:00pm until July 15, 08:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: A 30 percent chance of showers after midnight. Increasing clouds, with a low around 48. West wind 9 to 16 mph becoming east after midnight. Winds could gust as high as 36 mph.

    Low: 48 °F

    Mostly Clear
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. East northeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 41. Northeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 41 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. East northeast wind around 5 mph becoming calm in the morning.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, sunny, with a high near 89.

    High: 89 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers after midnight. Increasing clouds, with a low around 48. West wind 9 to 16 mph becoming east after midnight. Winds could gust as high as 36 mph.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. East northeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 41. Northeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Wednesday
Mostly sunny, with a high near 82. East northeast wind around 5 mph becoming calm in the morning.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 43. Calm wind.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Potomac MT
 46.89°N 113.59°W (Elev. 3584 ft)
Last Update:
2:00 pm MDT Jul 14, 2025
Forecast Valid:
6pm MDT Jul 14, 2025-6pm MDT Jul 21, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation