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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Clear

30°F

-1°C

Humidity 80%
Wind Speed S 8 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 22 Mar 03:35 AM MDT
Extended Forecast for

Hamilton MT

  • Overnight

    Overnight: Mostly clear, with a low around 30. South wind around 5 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. Southwest wind around 6 mph becoming calm in the evening.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. West wind around 6 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after noon. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.

    High: 60 °F

    Slight Chance
    Rain then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.

    Low: 43 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before midnight. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 30. South wind around 5 mph.
Sunday
Sunny, with a high near 55. Light and variable wind becoming south around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 32. Southwest wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 63. Calm wind becoming west southwest around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 40. West wind around 6 mph becoming calm in the evening.
Tuesday
Rain likely, mainly after noon. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Tuesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 56.
Wednesday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 24.
Friday
Sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Sunny, with a high near 64.
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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 Mar 22, 2026
Forecast Valid:
3am MDT Mar 22, 2026-6pm MDT Mar 28, 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