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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Clear

52°F

11°C

Humidity 66%
Wind Speed ESE 5 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 17 Jun 10:55 PM MDT
Extended Forecast for

10 Miles WSW Hamilton MT

  • Tonight

    Tonight: Mostly clear, with a low around 43. West wind 6 to 8 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69. West wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

    Low: 46 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 78. Light and variable wind becoming west 5 to 8 mph in the morning.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. West southwest wind 5 to 10 mph, with gusts as high as 23 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. Breezy.

    Low: 45 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 43. West wind 6 to 8 mph.
Thursday
Sunny, with a high near 69. West wind 6 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 46. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Juneteenth
Mostly sunny, with a high near 78. Light and variable wind becoming west 5 to 8 mph in the morning.
Friday Night
Partly cloudy, with a low around 54. West southwest wind 5 to 10 mph, with gusts as high as 23 mph.
Saturday
Partly sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 45. Breezy.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Hamilton MT
 46.22°N 114.36°W (Elev. 5715 ft)
Last Update:
2:01 pm MDT Jun 17, 2026
Forecast Valid:
11pm MDT Jun 17, 2026-6pm MDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation