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 63%
Wind Speed SW 14 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 18 Apr 07:55 PM MDT
Extended Forecast for

Harlowton MT

  • Tonight

    Tonight: Mostly clear, with a low around 22. West southwest wind 8 to 13 mph increasing to 15 to 20 mph after midnight.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59. West wind 9 to 14 mph increasing to 15 to 20 mph in the morning.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 34. West northwest wind 11 to 17 mph.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers, mainly after noon. Partly sunny, with a high near 58. West wind 8 to 11 mph.

    High: 58 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 34. West northwest wind 6 to 10 mph. Chance of precipitation is 80%.

    Low: 34 °F

    Showers

  • Monday

    Monday: Showers likely, mainly after noon. Mostly cloudy, with a high near 52. West wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Chance of precipitation is 70%.

    High: 52 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: A chance of rain showers, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 30. West wind 15 to 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 53. West wind 14 to 20 mph.

    High: 53 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. Northwest wind 8 to 13 mph becoming light and variable after midnight.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 22. West southwest wind 8 to 13 mph increasing to 15 to 20 mph after midnight.
Saturday
Sunny, with a high near 59. West wind 9 to 14 mph increasing to 15 to 20 mph in the morning.
Saturday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 34. West northwest wind 11 to 17 mph.
Sunday
A 40 percent chance of showers, mainly after noon. Partly sunny, with a high near 58. West wind 8 to 11 mph.
Sunday Night
Showers. Low around 34. West northwest wind 6 to 10 mph. Chance of precipitation is 80%.
Monday
Showers likely, mainly after noon. Mostly cloudy, with a high near 52. West wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Chance of precipitation is 70%.
Monday Night
A chance of rain showers, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 30. West wind 15 to 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 53. West wind 14 to 20 mph.
Tuesday Night
Mostly cloudy, with a low around 30. Northwest wind 8 to 13 mph becoming light and variable after midnight.
Wednesday
A 30 percent chance of showers after noon. Partly sunny, with a high near 54. Light east southeast wind increasing to 9 to 14 mph in the morning.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 33. East wind 6 to 14 mph.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 53. East northeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 36. East southeast wind 8 to 17 mph.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 53. East southeast wind 7 to 17 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:
7:27 pm MDT Apr 18, 2025
Forecast Valid:
8pm MDT Apr 18, 2025-6pm MDT Apr 25, 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