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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

unknown precip

36°F

2°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 12 Oct 09:50 AM MDT
Extended Forecast for

Hamilton MT

  • Columbus Day

    Columbus Day: Patchy fog before 11am. Otherwise, partly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Patchy fog between 7pm and 9pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 23. Light and variable wind.

    Low: 23 °F

    Patchy Fog
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Patchy fog between 9am and noon. Otherwise, sunny, with a high near 51. Light and variable wind.

    High: 51 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. Calm wind becoming south around 6 mph after midnight.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 58. South wind around 5 mph becoming calm in the afternoon.

    High: 58 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Columbus Day
Patchy fog before 11am. Otherwise, partly sunny, with a high near 45. Calm wind.
Tonight
Patchy fog between 7pm and 9pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 23. Light and variable wind.
Tuesday
Patchy fog between 9am and noon. Otherwise, sunny, with a high near 51. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 23. Calm wind becoming south around 6 mph after midnight.
Wednesday
Sunny, with a high near 58. South wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
Sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hamilton MT
 46.24°N 114.14°W (Elev. 3678 ft)
Last Update:
2:01 am MDT Oct 12, 2026
Forecast Valid:
10am MDT Oct 12, 2026-6pm MDT Oct 18, 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