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

Ravalli County Airport (KHRF)

Lat: 46.25463°NLon: 114.1246°WElev: 3644.0ft.

Clear

54°F

12°C

Humidity 66%
Wind Speed S 11 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 10 Apr 11:15 PM MDT
Extended Forecast for

15 Miles W Hamilton MT

  • Tonight

    Tonight: A chance of rain and thunderstorms before 4am, then a slight chance of rain between 4am and 5am.  Mostly cloudy, with a low around 34. South southwest wind 8 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 50%.

    Low: 34 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely before 3pm, then rain and snow showers. Some thunder is also possible.  High near 43. Southwest wind 9 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 43 °F

    Chance Rain
    then
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow before 9pm, then a chance of rain between 9pm and midnight.  Snow level 7600 feet lowering to 6700 feet after midnight . Mostly cloudy, with a low around 29. South southwest wind 8 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: A slight chance of snow before 9am, then rain, possibly mixed with snow.  Snow level rising to 7300 feet in the afternoon. High near 41. South wind 6 to 8 mph becoming west in the afternoon.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 41 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after midnight.  Snow level 7400 feet lowering to 6700 feet after midnight . Low around 30. West southwest wind around 10 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 30 °F

    Rain/Snow
    then Snow
    Likely

  • Monday

    Monday: Snow.  High near 32. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Snow

  • Monday Night

    Monday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 26. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Snow Likely
    then Chance
    Snow

  • Tuesday

    Tuesday: A chance of snow.  Mostly cloudy, with a high near 34.

    High: 34 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after midnight.  Mostly cloudy, with a low around 26.

    Low: 26 °F

    Snow Likely

Detailed Forecast

Tonight
A chance of rain and thunderstorms before 4am, then a slight chance of rain between 4am and 5am. Mostly cloudy, with a low around 34. South southwest wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Saturday
Rain likely before 3pm, then rain and snow showers. Some thunder is also possible. High near 43. Southwest wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday Night
A chance of rain and snow before 9pm, then a chance of rain between 9pm and midnight. Snow level 7600 feet lowering to 6700 feet after midnight . Mostly cloudy, with a low around 29. South southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
A slight chance of snow before 9am, then rain, possibly mixed with snow. Snow level rising to 7300 feet in the afternoon. High near 41. South wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Rain and snow, becoming all snow after midnight. Snow level 7400 feet lowering to 6700 feet after midnight . Low around 30. West southwest wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday
Snow. High near 32. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Monday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 26. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
A chance of snow. Mostly cloudy, with a high near 34.
Tuesday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 26.
Wednesday
Snow. Cloudy, with a high near 30.
Wednesday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 18.
Thursday
Snow likely. Mostly cloudy, with a high near 25.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 17.
Friday
A chance of snow. Partly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles W Hamilton MT
 46.25°N 114.46°W (Elev. 6716 ft)
2:00 pm MDT Apr 10, 2026
11pm MDT Apr 10, 2026-6pm MDT Apr 17, 2026
 
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Additional Resources

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