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

Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Clear

75°F

24°C

Humidity 20%
Wind Speed N 0 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 20 Apr 02:55 PM MDT
Extended Forecast for

Hamilton MT

  • Tonight

    Tonight: Partly cloudy, with a low around 44. North northwest wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. West southwest wind around 6 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain before noon, then showers and possibly a thunderstorm between noon and 3pm, then rain after 3pm. High near 58. Light west southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Chance Rain
    then Showers

  • Wednesday Night

    Wednesday Night: Rain. Low around 37. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain

  • Thursday

    Thursday: Rain likely. Mostly cloudy, with a high near 49. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely before midnight, then a chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Friday

    Friday: A chance of snow. Partly sunny, with a high near 47.

    High: 47 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 81. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 44. West southwest wind around 6 mph becoming calm in the evening.
Wednesday
A chance of rain before noon, then showers and possibly a thunderstorm between noon and 3pm, then rain after 3pm. High near 58. Light west southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain. Low around 37. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain likely. Mostly cloudy, with a high near 49. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely before midnight, then a chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow. Partly sunny, with a high near 47.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hamilton MT
 46.26°N 114.15°W (Elev. 3599 ft)
Last Update:
2:01 pm MDT Apr 20, 2026
Forecast Valid:
3pm MDT Apr 20, 2026-6pm MDT Apr 27, 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