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

Two Pacific Storms to Impact the Western U.S. This Week

Two Pacific storms will impact the western U.S. this week with low elevation rain, mountain snow, and gusty winds. The second storm arriving Tuesday night into Wednesday may bring heavy to excessive rainfall and possible flooding for coastal central and southern California, while heavy mountain snow is possible across the Sierra Nevada mountains. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Clear

54°F

12°C

Humidity 37%
Wind Speed SSE 12 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 15 Nov 04:15 PM MST
Extended Forecast for

Hamilton MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. South southeast wind 5 to 7 mph becoming calm after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Rain likely, mainly after 3pm. Mostly cloudy, with a high near 42. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Slight Chance
    Rain then
    Rain Likely

  • Monday Night

    Monday Night: Snow, possibly mixed with rain. Patchy fog after 8pm. Low around 30. Calm wind. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow and
    Patchy Fog

  • Tuesday

    Tuesday: Rain and snow. Patchy fog before 11am. High near 35. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 35 °F

    Rain/Snow and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 11pm. Patchy fog between 8pm and 11pm. Otherwise, mostly cloudy, with a low around 23. Light and variable wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance
    Rain/Snow and
    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow, mainly after 11am. Mostly cloudy, with a high near 34.

    High: 34 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow. Cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. South southeast wind 5 to 7 mph becoming calm after midnight.
Monday
Rain likely, mainly after 3pm. Mostly cloudy, with a high near 42. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Snow, possibly mixed with rain. Patchy fog after 8pm. Low around 30. Calm wind. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday
Rain and snow. Patchy fog before 11am. High near 35. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Tuesday Night
A chance of rain and snow before 11pm. Patchy fog between 8pm and 11pm. Otherwise, mostly cloudy, with a low around 23. Light and variable wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday
Mostly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
A chance of snow, mainly after 11am. Mostly cloudy, with a high near 34.
Thursday Night
A chance of snow. Cloudy, with a low around 23.
Friday
A chance of snow. Mostly cloudy, with a high near 34.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 35.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 21.
Sunday
A chance of snow. Partly sunny, with a high near 36.
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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:
1:01 pm MST Nov 15, 2026
Forecast Valid:
4pm MST Nov 15, 2026-6pm MST Nov 22, 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