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

Big Timber Airport (K6S0)

Lat: 45.80647°NLon: 109.97826°WElev: 4494.0ft.

Clear

46°F

8°C

Humidity 70%
Wind Speed SW 9 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 24 Sep 03:35 AM MDT
Extended Forecast for

Harlowton MT

  • Today

    Today: Sunny, with a high near 84. West wind 10 to 16 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. West northwest wind 6 to 13 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. West wind 5 to 7 mph becoming south southeast in the afternoon.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. South southeast wind 8 to 16 mph becoming west after midnight.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76. West northwest wind 16 to 21 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. West wind 10 to 16 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. West southwest wind 7 to 10 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. West wind 6 to 9 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. West wind around 10 mph.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 84. West wind 10 to 16 mph.
Tonight
Mostly clear, with a low around 45. West northwest wind 6 to 13 mph.
Thursday
Sunny, with a high near 85. West wind 5 to 7 mph becoming south southeast in the afternoon.
Thursday Night
Mostly clear, with a low around 47. South southeast wind 8 to 16 mph becoming west after midnight.
Friday
Sunny, with a high near 76. West northwest wind 16 to 21 mph.
Friday Night
Mostly clear, with a low around 41. West wind 10 to 16 mph.
Saturday
Sunny, with a high near 80. West southwest wind 7 to 10 mph.
Saturday Night
Mostly clear, with a low around 45. West wind 6 to 9 mph.
Sunday
Sunny, with a high near 82. West wind around 10 mph.
Sunday Night
Partly cloudy, with a low around 47. South southeast wind 8 to 10 mph becoming west after midnight.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 79. Southwest wind 8 to 10 mph.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 47. West wind 8 to 10 mph.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 72. West wind around 11 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harlowton MT
 46.44°N 109.82°W (Elev. 4199 ft)
Last Update:
12:53 am MDT Sep 24, 2025
Forecast Valid:
4am MDT Sep 24, 2025-6pm MDT Sep 30, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation