Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

56°F

13°C

Humidity 63%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 15 Jul 11:01 PM MDT
Extended Forecast for

Potomac MT

  • Tonight

    Tonight: Partly cloudy, with a low around 39. East wind around 6 mph becoming calm  after midnight.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. West wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    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

  • Saturday

    Saturday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. East wind around 6 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 84. Calm wind.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 42. Calm wind.
Thursday
Sunny, with a high near 90. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 45. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly 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 47.
Monday
Mostly sunny, with a high near 85.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Potomac MT
 46.89°N 113.59°W (Elev. 3584 ft)
2:30 pm MDT Jul 15, 2025
11pm MDT Jul 15, 2025-6pm MDT Jul 22, 2025
 
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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