Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Big Timber Airport (K6S0)

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

Overcast

41°F

5°C

Humidity	86%
Wind Speed	W 17 MPH
Barometer	29.77 in (1008.13 mb)
Dewpoint	37°F (3°C)
Visibility	9.00 mi
Wind Chill	33°F (1°C)
Last update	26 Dec 01:55 AM MST

More Information:

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

Extended Forecast for

16 Miles E Wilsall MT

Overnight
Low: 22 °F
Heavy Snow
Friday
High: 24 °F⇓
Chance Snow
Friday Night
Low: 6 °F
Chance Snow
Saturday
High: 14 °F⇓
Heavy Snow
Saturday Night
Low: -3 °F
Chance Snow
then Partly
Cloudy
Sunday
High: 5 °F
Cold
Sunday Night
Low: 2 °F⇑
Mostly Clear
Monday
High: 17 °F
Mostly Sunny
Monday Night
Low: 14 °F
Increasing
Clouds

Detailed Forecast

Overnight

A 20 percent chance of snow. The snow could be heavy at times. Mostly cloudy, with a low around 22. West southwest wind 29 to 31 mph, with gusts as high as 44 mph.

Friday

A 30 percent chance of snow, mainly between noon and 4pm. Mostly cloudy, with a temperature rising to near 24 by noon, then falling to around 18 during the remainder of the day. Wind chill values as low as zero. Southwest wind 29 to 34 mph, with gusts as high as 48 mph. New snow accumulation of around an inch possible.

Friday Night

A slight chance of snow before 2am, then a chance of snow after 3am. Mostly cloudy, with a low around 6. Wind chill values as low as -10. West southwest wind 32 to 36 mph, with gusts as high as 50 mph. Chance of precipitation is 40%. New snow accumulation of around an inch possible.

Saturday

Snow. The snow could be heavy at times. Temperature falling to around 1 by 5pm. Wind chill values as low as -20. West wind 25 to 34 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New snow accumulation of around 4 inches.

Saturday Night

A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around -3. Northwest wind 18 to 22 mph. New snow accumulation of less than a half inch possible.

Sunday

Mostly sunny and cold, with a high near 5. West wind 16 to 18 mph.

Sunday Night

Mostly clear, with a temperature rising to around 8 by 5am. West wind 16 to 22 mph.

Monday

Mostly sunny, with a high near 17. West wind 18 to 23 mph.

Monday Night

Increasing clouds, with a low around 14. West wind 18 to 22 mph.

Tuesday

Mostly cloudy, with a high near 23. West wind 16 to 22 mph.

Tuesday Night

Mostly cloudy, with a low around 18. West wind 17 to 20 mph.