National Weather Service

News Headlines

Top 5 Weather Events of 2025

Current conditions at

Big Timber Airport (K6S0)

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

Clear

52°F

11°C

Humidity	46%
Wind Speed	W 32 MPH
Barometer	30.3 in (1026.08 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Last update	13 Jan 06:35 PM MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles SSW Harlowton MT

Tonight
Low: 39 °F
Partly Cloudy
Wednesday
High: 60 °F
Sunny
Wednesday Night
Low: 38 °F
Mostly Clear
Thursday
High: 48 °F⇓
Sunny
Thursday Night
Low: 25 °F
Mostly Clear
Friday
High: 41 °F
Mostly Sunny
Friday Night
Low: 28 °F
Partly Cloudy
Saturday
High: 53 °F
Sunny
Saturday Night
Low: 32 °F
Mostly Clear

Detailed Forecast

Tonight

Partly cloudy, with a low around 39. West northwest wind 10 to 14 mph.

Wednesday

Sunny, with a high near 60. West wind 21 to 29 mph, with gusts as high as 40 mph.

Wednesday Night

Mostly clear, with a low around 38. West wind 24 to 28 mph.

Thursday

Sunny, with a temperature rising to near 48 by 11am, then falling to around 38 during the remainder of the day. North northwest wind 18 to 28 mph, with gusts as high as 39 mph.

Thursday Night

Mostly clear, with a low around 25. West northwest wind 23 to 28 mph, with gusts as high as 39 mph.

Friday

Mostly sunny, with a high near 41. West northwest wind 15 to 20 mph.

Friday Night

Partly cloudy, with a low around 28. West wind 10 to 16 mph.

Saturday

Sunny, with a high near 53. West wind 17 to 21 mph.

Saturday Night

Mostly clear, with a low around 32. West wind 16 to 18 mph.

Sunday

Sunny, with a high near 50. West northwest wind 15 to 17 mph.