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

32°F

0°C

Humidity 80%
Wind Speed WSW 3 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 20 Nov 06:55 PM MST
Extended Forecast for

Harlowton MT

  • Tonight

    Tonight: Mostly clear, with a low around 28. West wind 6 to 13 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54. West wind 14 to 21 mph.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. West wind 21 to 24 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 56. West wind 21 to 23 mph.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. West wind 11 to 15 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 59. West wind around 14 mph.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. West wind around 11 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain showers before 8am, then a slight chance of rain and snow showers between 8am and 11am, then a chance of snow showers after 11am. Partly sunny, with a high near 46. West wind 13 to 18 mph increasing to 21 to 26 mph in the afternoon. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Monday Night

    Monday Night: A 30 percent chance of snow showers, mainly before 11pm. Partly cloudy, with a low around 19. West northwest wind 18 to 23 mph.

    Low: 19 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 28. West wind 6 to 13 mph.
Friday
Sunny, with a high near 54. West wind 14 to 21 mph.
Friday Night
Partly cloudy, with a low around 34. West wind 21 to 24 mph.
Saturday
Mostly sunny, with a high near 56. West wind 21 to 23 mph.
Saturday Night
Partly cloudy, with a low around 31. West wind 11 to 15 mph.
Sunday
Mostly sunny, with a high near 59. West wind around 14 mph.
Sunday Night
Mostly cloudy, with a low around 31. West wind around 11 mph.
Monday
A slight chance of rain showers before 8am, then a slight chance of rain and snow showers between 8am and 11am, then a chance of snow showers after 11am. Partly sunny, with a high near 46. West wind 13 to 18 mph increasing to 21 to 26 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
A 30 percent chance of snow showers, mainly before 11pm. Partly cloudy, with a low around 19. West northwest wind 18 to 23 mph.
Tuesday
Partly sunny, with a high near 35. West northwest wind 14 to 16 mph.
Tuesday Night
Mostly cloudy, with a low around 15. West northwest wind 6 to 8 mph.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 35. West wind around 7 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18. Northwest wind 6 to 8 mph.
Thanksgiving Day
A 30 percent chance of snow. Mostly cloudy, with a high near 34. West northwest wind 8 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harlowton MT
 46.44°N 109.85°W (Elev. 4190 ft)
Last Update:
5:52 pm MST Nov 20, 2025
Forecast Valid:
7pm MST Nov 20, 2025-6pm MST Nov 27, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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