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

66°F

19°C

Humidity 55%
Wind Speed NW 6 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 17 Jun 05:55 PM MDT
Extended Forecast for

5 Miles SSW Harlowton MT

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 51. West wind 6 to 10 mph.

    Low: 51 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. West wind 11 to 15 mph.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. West northwest wind 6 to 11 mph becoming north northeast in the evening.

    Low: 53 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 81. West wind 8 to 13 mph becoming east southeast in the afternoon.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East wind 6 to 13 mph becoming north northwest after midnight. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. East southeast wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon.

    High: 77 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Southeast wind 10 to 20 mph becoming north northwest after midnight. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 71. Northwest wind 10 to 20 mph. Chance of precipitation is 50%.

    High: 71 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 44. Northwest wind around 22 mph. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 51. West wind 6 to 10 mph.
Wednesday
Sunny, with a high near 80. West wind 11 to 15 mph.
Wednesday Night
Mostly clear, with a low around 53. West northwest wind 6 to 11 mph becoming north northeast in the evening.
Juneteenth
Sunny, with a high near 81. West wind 8 to 13 mph becoming east southeast in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East wind 6 to 13 mph becoming north northwest after midnight. Chance of precipitation is 50%.
Friday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. East southeast wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Southeast wind 10 to 20 mph becoming north northwest after midnight. Chance of precipitation is 50%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 71. Northwest wind 10 to 20 mph. Chance of precipitation is 50%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 44. Northwest wind around 22 mph. Chance of precipitation is 70%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58. West northwest wind 20 to 23 mph. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 38. West wind 8 to 18 mph.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 63. West wind 7 to 13 mph becoming south southeast in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 42. South southeast wind 6 to 13 mph becoming north northwest after midnight.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 69. West northwest wind 6 to 11 mph becoming north in the afternoon.
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Forecast Area
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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 Jun 17, 2025
Forecast Valid:
6pm MDT Jun 17, 2025-6pm MDT Jun 24, 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