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.

Clear

66°F

19°C

Humidity 14%
Wind Speed WSW 10 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 18 Mar 12:35 PM MDT
Extended Forecast for

Hamilton MT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 63. South wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 63 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. South wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67. South wind 6 to 10 mph, with gusts as high as 25 mph.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. South wind around 7 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. South wind 6 to 13 mph, with gusts as high as 31 mph.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly before noon. Mostly cloudy, with a high near 54. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain Likely

  • Saturday Night

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

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 63. South wind 7 to 10 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, with a low around 40. South wind around 6 mph.
Thursday
Mostly sunny, with a high near 67. South wind 6 to 10 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 44. South wind around 7 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 70. South wind 6 to 13 mph, with gusts as high as 31 mph.
Friday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 43.
Saturday
Rain likely, mainly before noon. Mostly cloudy, with a high near 54. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
A chance of rain. Mostly cloudy, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hamilton MT
 46.26°N 114.15°W (Elev. 3599 ft)
Last Update:
12:21 pm MDT Mar 18, 2026
Forecast Valid:
12pm 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