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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Clear

64°F

18°C

Humidity 31%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 17 Jun 08:55 AM MDT
Extended Forecast for

Hamilton MT

  • Today

    Today: Sunny, with a high near 76. West southwest wind 7 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. Northwest wind 9 to 14 mph becoming light and variable. Winds could gust as high as 29 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Light and variable wind becoming northwest around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. North northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 50 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 76. West southwest wind 7 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.
Tonight
Mostly clear, with a low around 47. Northwest wind 9 to 14 mph becoming light and variable. Winds could gust as high as 29 mph.
Thursday
Sunny, with a high near 81. Light and variable wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 50. North northwest wind 5 to 8 mph becoming calm after midnight.
Juneteenth
Mostly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 88.
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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:
2:00 am MDT Jun 17, 2026
Forecast Valid:
9am MDT Jun 17, 2026-6pm MDT Jun 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