National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Clear

48°F

9°C

Humidity 39%
Wind Speed ENE 9 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 18 Apr 08:35 PM MDT
Extended Forecast for

8 Miles SW Hamilton MT

  • Tonight

    Tonight: Mostly clear, with a low around 28. West southwest wind 10 to 14 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48. Southwest wind 11 to 14 mph.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. Southwest wind 10 to 14 mph.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 54. South wind 11 to 15 mph, with gusts as high as 20 mph.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. West wind 11 to 14 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Breezy.

    High: 57 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain and snow likely before noon, then rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 40. Breezy.

    High: 40 °F

    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Cloudy, with a low around 27. Breezy.

    Low: 27 °F

    Heavy Snow
    and Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 28. West southwest wind 10 to 14 mph.
Sunday
Sunny, with a high near 48. Southwest wind 11 to 14 mph.
Sunday Night
Mostly cloudy, with a low around 35. Southwest wind 10 to 14 mph.
Monday
Sunny, with a high near 54. South wind 11 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 38. West wind 11 to 14 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 57. Breezy.
Tuesday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 37.
Wednesday
Rain and snow likely before noon, then rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 40. Breezy.
Wednesday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 27. Breezy.
Thursday
Snow. Mostly cloudy, with a high near 29. Blustery.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 20. Blustery.
Friday
A chance of snow. Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 23. Blustery.
Saturday
A slight chance of snow. Mostly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Hamilton MT
 46.16°N 114.28°W (Elev. 8304 ft)
Last Update:
2:01 pm MDT Apr 18, 2026
Forecast Valid:
8pm MDT Apr 18, 2026-6pm MDT Apr 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation