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.

Partly Cloudy

70°F

21°C

Humidity 35%
Wind Speed NE 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 02 Oct 05:15 PM MDT
Extended Forecast for

5 Miles SSW Harlowton MT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Mostly sunny, with a steady temperature around 68. Northwest wind around 8 mph.

    High: 68 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 9pm. Mostly cloudy, with a low around 47. West northwest wind 6 to 8 mph.

    Low: 47 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 3pm. Partly sunny, with a high near 70. West northwest wind 5 to 10 mph becoming northeast in the morning.

    High: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 46. Northwest wind around 10 mph. Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers. High near 55. North northwest wind 10 to 13 mph. Chance of precipitation is 80%.

    High: 55 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 36. North northwest wind around 14 mph. Chance of precipitation is 70%.

    Low: 36 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of rain showers before 9am, then a chance of rain and snow showers between 9am and noon, then a chance of rain showers after noon. Mostly cloudy, with a high near 47. North wind 10 to 14 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 47 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29. East northeast wind 6 to 9 mph becoming southwest after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 56. West wind around 8 mph.

    High: 56 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly sunny, with a steady temperature around 68. Northwest wind around 8 mph.
Tonight
A 40 percent chance of showers, mainly before 9pm. Mostly cloudy, with a low around 47. West northwest wind 6 to 8 mph.
Friday
A 20 percent chance of showers after 3pm. Partly sunny, with a high near 70. West northwest wind 5 to 10 mph becoming northeast in the morning.
Friday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 46. Northwest wind around 10 mph. Chance of precipitation is 70%.
Saturday
Showers. High near 55. North northwest wind 10 to 13 mph. Chance of precipitation is 80%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 36. North northwest wind around 14 mph. Chance of precipitation is 70%.
Sunday
A chance of rain showers before 9am, then a chance of rain and snow showers between 9am and noon, then a chance of rain showers after noon. Mostly cloudy, with a high near 47. North wind 10 to 14 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 29. East northeast wind 6 to 9 mph becoming southwest after midnight.
Monday
Sunny, with a high near 56. West wind around 8 mph.
Monday Night
Mostly clear, with a low around 30. North wind 6 to 8 mph becoming west after midnight.
Tuesday
Sunny, with a high near 57. West southwest wind 6 to 8 mph becoming southeast in the afternoon.
Tuesday Night
Clear, with a low around 32. South southeast wind 6 to 8 mph becoming west after midnight.
Wednesday
Sunny, with a high near 65. West southwest wind around 11 mph.
Wednesday Night
Mostly clear, with a low around 38. West wind 8 to 13 mph.
Thursday
Sunny, with a high near 66. West wind 10 to 14 mph becoming south in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Harlowton MT
 46.38°N 109.88°W (Elev. 4488 ft)
Last Update:
5:08 pm MDT Oct 2, 2025
Forecast Valid:
5pm MDT Oct 2, 2025-6pm MDT Oct 9, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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