Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

65°F

18°C

Humidity 31%
Wind Speed NW 10 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 20 Mar 08:15 PM MDT
Extended Forecast for

7 Miles SSE Clinton MT

  • Tonight

    Tonight: A 20 percent chance of rain after 5am.  Partly cloudy, with a low around 41. South wind 6 to 10 mph.

    Low: 41 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Rain, possibly mixed with snow, mainly before 1pm.  High near 47. South southwest wind 6 to 11 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 47 °F

    Rain then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight.  Mostly clear, with a low around 29. West southwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.  Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 45. West southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 45 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. South southwest wind 5 to 13 mph, with gusts as high as 18 mph.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain after noon.  Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly before midnight.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Tonight
A 20 percent chance of rain after 5am. Partly cloudy, with a low around 41. South wind 6 to 10 mph.
Saturday
Rain, possibly mixed with snow, mainly before 1pm. High near 47. South southwest wind 6 to 11 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday Night
A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight. Mostly clear, with a low around 29. West southwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 45. West southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 30. South southwest wind 5 to 13 mph, with gusts as high as 18 mph.
Monday
Partly sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
A chance of rain after noon. Mostly cloudy, with a high near 55.
Tuesday Night
A chance of rain, mainly before midnight. Mostly cloudy, with a low around 38.
Wednesday
A chance of rain. Partly sunny, with a high near 52.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 24.
Friday
Sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Clinton MT
 46.67°N 113.64°W (Elev. 5636 ft)
2:41 pm MDT Mar 20, 2026
8pm MDT Mar 20, 2026-6pm MDT Mar 27, 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