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.

Overcast

63°F

17°C

Humidity 33%
Wind Speed SSW 5 MPH
Barometer 29.67 in (1004.74 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 11 Apr 12:35 PM MDT
Extended Forecast for

10 Miles WSW Hamilton MT

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm.  High near 50. West southwest wind around 11 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Showers

  • Tonight

    Tonight: A chance of rain and snow before 11pm, then a slight chance of rain between 11pm and midnight.  Partly cloudy, with a low around 30. West southwest wind 5 to 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Rain likely, then showers and possibly a thunderstorm after 3pm.  High near 48. Light and variable wind becoming east southeast 5 to 7 mph in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 48 °F

    Chance Rain
    then Showers

  • Sunday Night

    Sunday Night: Rain before 7pm, then rain and snow between 7pm and 3am, then snow likely after 3am.  Low around 32. Southwest wind around 7 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 32 °F

    Rain/Snow

  • Monday

    Monday: Snow before noon, then rain and snow.  High near 40. West southwest wind 8 to 13 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 40 °F

    Snow then
    Rain/Snow

  • Monday Night

    Monday Night: Rain and snow likely before midnight, then a chance of snow.  Mostly cloudy, with a low around 30. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Tuesday

    Tuesday: Snow likely, mainly before noon.  Mostly cloudy, with a high near 40. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 9pm, then snow likely.  Mostly cloudy, with a low around 29. Breezy.

    Low: 29 °F

    Chance
    Rain/Snow and
    Breezy then
    Snow Likely

  • Wednesday

    Wednesday: Snow before 3pm, then rain and snow.  Cloudy, with a high near 36. Breezy.

    High: 36 °F

    Snow then
    Rain/Snow and
    Breezy

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 50. West southwest wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of rain and snow before 11pm, then a slight chance of rain between 11pm and midnight. Partly cloudy, with a low around 30. West southwest wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
Rain likely, then showers and possibly a thunderstorm after 3pm. High near 48. Light and variable wind becoming east southeast 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain before 7pm, then rain and snow between 7pm and 3am, then snow likely after 3am. Low around 32. Southwest wind around 7 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow before noon, then rain and snow. High near 40. West southwest wind 8 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Monday Night
Rain and snow likely before midnight, then a chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday
Snow likely, mainly before noon. Mostly cloudy, with a high near 40. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of rain and snow before 9pm, then snow likely. Mostly cloudy, with a low around 29. Breezy.
Wednesday
Snow before 3pm, then rain and snow. Cloudy, with a high near 36. Breezy.
Wednesday Night
Rain and snow, becoming all snow after 9pm. The snow could be heavy at times. Mostly cloudy, with a low around 22.
Thursday
Snow. Cloudy, with a high near 30.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 18.
Friday
A chance of snow. Partly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Hamilton MT
 46.22°N 114.36°W (Elev. 5715 ft)
12:22 pm MDT Apr 11, 2026
12pm MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
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