Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

37°F

3°C

Humidity 99%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 12 Apr 07:00 AM MDT
Extended Forecast for

8 Miles SE Clinton MT

  • Today

    Today: Showers likely, then showers and possibly a thunderstorm after 3pm.  High near 55. Calm wind becoming east northeast around 5 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Slight Chance
    Showers then
    Showers

  • Tonight

    Tonight: Rain and snow showers, becoming all snow after 1am. Some thunder is also possible.  Low around 34. South southwest wind 3 to 5 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 34 °F

    Showers then
    Rain/Snow

  • Monday

    Monday: Snow showers before 3pm, then rain and snow showers.  High near 45. Southwest wind 5 to 8 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 45 °F

    Snow Showers
    then
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow showers before 9pm, then a chance of snow showers between 9pm and midnight.  Mostly cloudy, with a low around 33. West southwest wind 6 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 48. West wind 6 to 11 mph, with gusts as high as 25 mph.

    High: 48 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly after midnight.  Mostly cloudy, with a low around 34. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Slight Chance
    Snow Showers
    then Snow
    Showers
    Likely

  • Wednesday

    Wednesday: Snow showers. Some thunder is also possible.  High near 44. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 24.

    Low: 24 °F

    Snow Likely

  • Thursday

    Thursday: Snow.  Mostly cloudy, with a high near 36.

    High: 36 °F

    Snow

Detailed Forecast

Today
Showers likely, then showers and possibly a thunderstorm after 3pm. High near 55. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and snow showers, becoming all snow after 1am. Some thunder is also possible. Low around 34. South southwest wind 3 to 5 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday
Snow showers before 3pm, then rain and snow showers. High near 45. Southwest wind 5 to 8 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday Night
A chance of rain and snow showers before 9pm, then a chance of snow showers between 9pm and midnight. Mostly cloudy, with a low around 33. West southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
Mostly cloudy, with a high near 48. West wind 6 to 11 mph, with gusts as high as 25 mph.
Tuesday Night
Snow showers likely, mainly after midnight. Mostly cloudy, with a low around 34. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Snow showers. Some thunder is also possible. High near 44. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 24.
Thursday
Snow. Mostly cloudy, with a high near 36.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 22.
Friday
A chance of snow. Partly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SE Clinton MT
 46.67°N 113.61°W (Elev. 6001 ft)
2:01 am MDT Apr 12, 2026
7am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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