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.

Mostly Cloudy

55°F

13°C

Humidity 66%
Wind Speed S 8 MPH
Barometer 29.69 in (1005.42 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 11 Apr 07:15 PM MDT
Extended Forecast for

15 Miles W Hamilton MT

  • Tonight

    Tonight: A chance of rain and snow, mainly before 10pm.  Snow level 7600 feet lowering to 6700 feet after midnight . Partly cloudy, with a low around 28. West wind 7 to 10 mph becoming south after midnight.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 28 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Rain and snow likely before 3pm, then rain between 3pm and 5pm, then rain and snow after 5pm. Some thunder is also possible.  Snow level rising to 7700 feet in the afternoon. High near 40. South wind 6 to 8 mph becoming east in the afternoon.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 40 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain, becoming all snow after 9pm.  Low around 28. West southwest wind 8 to 10 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Rain/Snow
    then Snow
    Likely

  • Monday

    Monday: Snow.  High near 32. West southwest wind 10 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Snow

  • Monday Night

    Monday Night: Snow likely, mainly before midnight.  Cloudy, with a low around 26. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow likely, mainly before noon.  Mostly cloudy, with a high near 33. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: Snow, mainly after midnight.  Low around 26. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 26 °F

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: Snow.  Cloudy, with a high near 29.

    High: 29 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times.  Mostly cloudy, with a low around 18.

    Low: 18 °F

    Heavy Snow

Detailed Forecast

Tonight
A chance of rain and snow, mainly before 10pm. Snow level 7600 feet lowering to 6700 feet after midnight . Partly cloudy, with a low around 28. West wind 7 to 10 mph becoming south after midnight. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday
Rain and snow likely before 3pm, then rain between 3pm and 5pm, then rain and snow after 5pm. Some thunder is also possible. Snow level rising to 7700 feet in the afternoon. High near 40. South wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Snow, possibly mixed with rain, becoming all snow after 9pm. Low around 28. West southwest wind 8 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Monday
Snow. High near 32. West southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday Night
Snow likely, mainly before midnight. Cloudy, with a low around 26. West southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Tuesday
Snow likely, mainly before noon. Mostly cloudy, with a high near 33. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow, mainly after midnight. Low around 26. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow. Cloudy, with a high near 29.
Wednesday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 18.
Thursday
Snow. Cloudy, with a high near 23.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 15.
Friday
A chance of snow. Partly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 17.
Saturday
A slight chance of snow. Mostly sunny, with a high near 37.
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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 11, 2026
7pm MDT Apr 11, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database