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

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Partly Cloudy

43°F

6°C

Humidity 70%
Wind Speed S 5 MPH
Barometer 29.5 in (998.99 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 22 Apr 03:55 AM MDT
Extended Forecast for

Hamilton MT

  • Overnight

    Overnight: A 20 percent chance of rain after 5am. Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Showers and thunderstorms before noon, then rain, mainly after noon. High near 54. Light south southwest wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 90%.

    High: 54 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain, mainly before 2am. Low around 35. South wind 7 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.

    Low: 35 °F

    Rain

  • Thursday

    Thursday: Rain likely before 9am, then rain and snow showers. Some thunder is also possible. High near 47. East northeast wind 7 to 11 mph becoming west in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow, becoming all snow after 9pm. Low around 28. North northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 28 °F

    Rain/Snow
    then Snow
    Likely

  • Friday

    Friday: Snow likely, mainly before noon. Mostly cloudy, with a high near 44. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Snow Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow after noon, mixing with rain after 3pm. Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain after 5am. Partly cloudy, with a low around 43. Calm wind.
Wednesday
Showers and thunderstorms before noon, then rain, mainly after noon. High near 54. Light south southwest wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 90%.
Wednesday Night
Rain, mainly before 2am. Low around 35. South wind 7 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Thursday
Rain likely before 9am, then rain and snow showers. Some thunder is also possible. High near 47. East northeast wind 7 to 11 mph becoming west in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Rain and snow, becoming all snow after 9pm. Low around 28. North northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday
Snow likely, mainly before noon. Mostly cloudy, with a high near 44. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 23.
Saturday
A slight chance of snow after noon, mixing with rain after 3pm. Mostly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
A slight chance of snow between noon and 3pm, then a slight chance of rain after 3pm. Partly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hamilton MT
 46.26°N 114.15°W (Elev. 3599 ft)
Last Update:
2:01 am MDT Apr 22, 2026
Forecast Valid:
4am MDT Apr 22, 2026-6pm MDT Apr 28, 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