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.

Mist

30°F

-1°C

Humidity 92%
Wind Speed WSW 10 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 28°F (-2°C)
Visibility 2.00 mi
Wind Chill21°F (-6°C)
Last update 20 Nov 09:15 AM MST
Extended Forecast for

Harlowton MT

  • Today

    Today: Sunny, with a high near 52. Light and variable wind becoming west southwest around 5 mph in the afternoon.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. West wind 5 to 13 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54. West wind 14 to 18 mph.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33. West wind 14 to 18 mph.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 55. West wind 18 to 20 mph.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. West wind 11 to 13 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 58. West wind around 14 mph.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. West wind around 10 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of rain and snow showers between 11am and 5pm, then a slight chance of snow showers after 5pm. Mostly sunny, with a high near 53. West wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 52. Light and variable wind becoming west southwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 28. West wind 5 to 13 mph.
Friday
Sunny, with a high near 54. West wind 14 to 18 mph.
Friday Night
Partly cloudy, with a low around 33. West wind 14 to 18 mph.
Saturday
Mostly sunny, with a high near 55. West wind 18 to 20 mph.
Saturday Night
Partly cloudy, with a low around 30. West wind 11 to 13 mph.
Sunday
Mostly sunny, with a high near 58. West wind around 14 mph.
Sunday Night
Partly cloudy, with a low around 33. West wind around 10 mph.
Monday
A slight chance of rain and snow showers between 11am and 5pm, then a slight chance of snow showers after 5pm. Mostly sunny, with a high near 53. West wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
A slight chance of snow before 8pm, then a slight chance of rain between 8pm and 11pm, then a slight chance of snow after 11pm. Partly cloudy, with a low around 21. West northwest wind 18 to 23 mph. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 35. West northwest wind 14 to 16 mph.
Tuesday Night
Partly cloudy, with a low around 13. West northwest wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 34. West wind around 7 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:
7:34 am MST Nov 20, 2025
Forecast Valid:
9am MST Nov 20, 2025-6pm MST Nov 26, 2025
 
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