Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Big Timber Airport (K6S0)

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

Clear

52°F

11°C

Humidity	37%
Wind Speed	W 12 MPH
Barometer	30.12 in (1019.98 mb)
Dewpoint	26°F (-3°C)
Visibility	10.00 mi
Last update	18 Oct 04:35 AM MDT

More Information:

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

Extended Forecast for

6 Miles N Big Timber MT

Today
High: 58 °F
Decreasing
Clouds
Tonight
Low: 35 °F
Mostly Clear
Monday
High: 68 °F
Sunny
Monday Night
Low: 40 °F
Partly Cloudy
Tuesday
High: 68 °F
Mostly Sunny
Tuesday Night
Low: 39 °F
Partly Cloudy
Wednesday
High: 65 °F
Sunny
Wednesday Night
Low: 41 °F
Mostly Clear
Thursday
High: 70 °F
Sunny

Detailed Forecast

Today

Mostly cloudy, then gradually becoming sunny, with a high near 58. North northwest wind 5 to 10 mph becoming east southeast in the afternoon.

Tonight

Mostly clear, with a low around 35. East wind 5 to 9 mph becoming light and variable after midnight.

Monday

Sunny, with a high near 68. Calm wind becoming south southeast around 6 mph in the afternoon.

Monday Night

Partly cloudy, with a low around 40. Calm wind becoming west around 6 mph after midnight.

Tuesday

Mostly sunny, with a high near 68. West southwest wind 5 to 7 mph becoming light and variable in the afternoon.

Tuesday Night

Partly cloudy, with a low around 39. North wind 5 to 7 mph becoming calm after midnight.

Wednesday

Sunny, with a high near 65. Calm wind becoming southeast 5 to 7 mph in the afternoon.

Wednesday Night

Mostly clear, with a low around 41. Southeast wind around 5 mph becoming calm in the evening.

Thursday

Sunny, with a high near 70. West southwest wind 3 to 7 mph.

Thursday Night

A 30 percent chance of showers after midnight. Partly cloudy, with a low around 44. Light and variable wind becoming west 5 to 7 mph after midnight.

Friday

Showers likely. Mostly cloudy, with a high near 57. West wind 8 to 11 mph. Chance of precipitation is 70%.

Friday Night

A chance of rain and snow showers. Mostly cloudy, with a low around 34. West wind 11 to 14 mph. Chance of precipitation is 50%.

Saturday

Mostly sunny, with a high near 48. South southwest wind 7 to 9 mph.

Additional Forecasts and Information

Zone Area Forecast for Northern Sweet Grass, MT

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ABOUT THIS FORECAST

Point Forecast:

6 Miles N Big Timber MT
45.92°N 109.96°W (Elev. 4600 ft)

Last Update:

3:52 am MDT Oct 18, 2026

Forecast Valid:

4am MDT Oct 18, 2026-6pm MDT Oct 24, 2026

Forecast Discussion

Additional Resources

Radar & Satellite Image

Hourly Weather Forecast

National Digital Forecast Database

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation

Billings, MT