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

Hazardous Weather Conditions

Current conditions at

Big Timber Airport (K6S0)

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

Mostly Cloudy

32°F

0°C

Humidity 80%
Wind Speed NE 6 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 27 Nov 07:15 PM MST
Extended Forecast for

Harlowton MT

Winter Weather Advisory November 27, 11:00pm until November 29, 05:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: A 50 percent chance of snow, mainly between 8pm and 5am. Cloudy, with a low around 21. East southeast wind 5 to 8 mph becoming west northwest after midnight. Total nighttime snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow

  • Friday

    Friday: Snow, mainly after 11am. Patchy blowing snow after 11am. Temperature falling to around 16 by 5pm. Wind chill values as low as zero. North wind 14 to 22 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    High: 28 °F⇓

    Snow and
    Patchy
    Blowing Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 11pm. Patchy blowing snow before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 0. Wind chill values as low as -15. Northwest wind 14 to 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 0 °F

    Snow Likely
    and Patchy
    Blowing Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 22. Wind chill values as low as -15. Northwest wind 5 to 9 mph becoming light and variable in the afternoon.

    High: 22 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -1. Light and variable wind becoming west northwest around 5 mph after midnight.

    Low: -1 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 23. South southwest wind around 6 mph.

    High: 23 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 8. West wind 6 to 15 mph.

    Low: 8 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37. West wind 15 to 17 mph.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a steady temperature around 30. West wind 16 to 18 mph.

    Low: 30 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
A 50 percent chance of snow, mainly between 8pm and 5am. Cloudy, with a low around 21. East southeast wind 5 to 8 mph becoming west northwest after midnight. Total nighttime snow accumulation of less than a half inch possible.
Friday
Snow, mainly after 11am. Patchy blowing snow after 11am. Temperature falling to around 16 by 5pm. Wind chill values as low as zero. North wind 14 to 22 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Friday Night
Snow likely, mainly before 11pm. Patchy blowing snow before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 0. Wind chill values as low as -15. Northwest wind 14 to 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Mostly sunny, with a high near 22. Wind chill values as low as -15. Northwest wind 5 to 9 mph becoming light and variable in the afternoon.
Saturday Night
Partly cloudy, with a low around -1. Light and variable wind becoming west northwest around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 23. South southwest wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 8. West wind 6 to 15 mph.
Monday
Mostly sunny, with a high near 37. West wind 15 to 17 mph.
Monday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a steady temperature around 30. West wind 16 to 18 mph.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 40. West wind 11 to 17 mph.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 20. North northwest wind around 10 mph. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 34. West northwest wind around 11 mph.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 18. West wind 10 to 16 mph.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 39. West wind 17 to 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harlowton MT
 46.44°N 109.82°W (Elev. 4199 ft)
Last Update:
6:04 pm MST Nov 27, 2025
Forecast Valid:
7pm MST Nov 27, 2025-6pm MST Dec 4, 2025
 
Forecast Discussion
 
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Additional Resources

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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