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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Overcast

46°F

8°C

Humidity 65%
Wind Speed SE 5 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 17 Mar 11:55 PM MDT
Extended Forecast for

Hamilton MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. South southeast wind 6 to 8 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. South southeast wind 8 to 11 mph, with gusts as high as 25 mph.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. South wind around 6 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 67. South wind 6 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. South wind 6 to 8 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain. Partly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain. Partly sunny, with a high near 56.

    High: 56 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. South southeast wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 64. South southeast wind 8 to 11 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 41. South wind around 6 mph.
Thursday
Sunny, with a high near 67. South wind 6 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.
Thursday Night
Mostly clear, with a low around 43. South wind 6 to 8 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 72.
Friday Night
A 20 percent chance of rain. Partly cloudy, with a low around 43.
Saturday
A chance of rain. Partly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 59.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 35.
Tuesday
A chance of rain. Partly 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:
2:11 pm MDT Mar 17, 2026
Forecast Valid:
12am MDT Mar 18, 2026-6pm MDT Mar 24, 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