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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

light snow

34°F

1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 11 Oct 05:30 AM MDT
Extended Forecast for

Hamilton MT

  • Overnight

    Overnight: Snow. Low around 27. North wind around 10 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow

  • Sunday

    Sunday: Rain and snow before 3pm, then a chance of rain between 3pm and 4pm, then a chance of rain and snow after 4pm. High near 41. North wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow before 3am, then a chance of snow between 3am and 5am. Low around 23. North wind 12 to 17 mph becoming light after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Rain/Snow

  • Columbus Day

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

    High: 45 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Patchy fog between 8pm and midnight. Otherwise, partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Patchy Fog
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow. Low around 27. North wind around 10 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Rain and snow before 3pm, then a chance of rain between 3pm and 4pm, then a chance of rain and snow after 4pm. High near 41. North wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain and snow before 3am, then a chance of snow between 3am and 5am. Low around 23. North wind 12 to 17 mph becoming light after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Columbus Day
Patchy fog before noon. Otherwise, partly sunny, with a high near 45. Calm wind.
Monday Night
Patchy fog between 8pm and midnight. Otherwise, partly cloudy, with a low around 24. Calm wind.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 68.
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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 am MDT Oct 11, 2026
Forecast Valid:
5am MDT Oct 11, 2026-6pm MDT Oct 17, 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