Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Plains to the Upper Midwest

A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S and linger through much of the work week. Numerous daily record highs and warm lows are likely. Severe thunderstorms are possible from the southern Plains through the Upper Mississippi Valley. Fire weather concerns are expected to persist across the Four Corners region. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Mostly Cloudy

45°F

7°C

Humidity 81%
Wind Speed SSW 10 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 23 Jun 04:15 AM MDT
Extended Forecast for

Hamilton MT

Frost Advisory until June 23, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until June 23, 09:00am

    NOW until 9:00am Mon

    Frost Advisory

  • Overnight

    Low: 36 °F

    Patchy Frost

  • Monday

    Monday: A chance of rain before 3pm, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 71. South southeast wind around 6 mph becoming northwest in the afternoon.  Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. East northeast wind around 6 mph becoming calm  in the evening.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. North northwest wind around 5 mph becoming light and variable.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Overnight
Patchy frost after 5am. Otherwise, partly cloudy, with a low around 36. South southeast wind around 6 mph.
Monday
A chance of rain before 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 71. South southeast wind around 6 mph becoming northwest in the afternoon. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 41. East northeast wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 48. North northwest wind around 5 mph becoming light and variable.
Wednesday
Partly sunny, with a high near 83.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 77.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Hamilton MT
 46.26°N 114.15°W (Elev. 3598 ft)
3:30 am MDT Jun 23, 2025
4am MDT Jun 23, 2025-6pm MDT Jun 29, 2025
 
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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