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

Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. 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. 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 S 10 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 17 Mar 03:15 AM MDT
Extended Forecast for

Hamilton MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 39. South southeast wind around 9 mph, with gusts as high as 18 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 4pm. Partly sunny, with a high near 58. South southeast wind 8 to 10 mph, with gusts as high as 22 mph.

    High: 58 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 42. South wind around 7 mph.

    Low: 42 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. South southeast wind 8 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. South southwest wind around 7 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 39. South southeast wind around 9 mph, with gusts as high as 18 mph.
Tuesday
A 20 percent chance of rain after 4pm. Partly sunny, with a high near 58. South southeast wind 8 to 10 mph, with gusts as high as 22 mph.
Tuesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 42. South wind around 7 mph.
Wednesday
Mostly sunny, with a high near 65. South southeast wind 8 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 42. South southwest wind around 7 mph.
Thursday
Sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 70.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Saturday
A chance of rain. Partly sunny, with a high near 59.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 57.
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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 Mar 17, 2026
Forecast Valid:
3am MDT Mar 17, 2026-6pm MDT Mar 23, 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