Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Cold Weather Advisory in effect from December 27, 11:00 AM MST until December 28, 11:00 AM MST

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

Lat: 47.91973°NLon: 104.32619°WElev: 2480.0ft.

40°F

4°C

Humidity	74%
Wind Speed	SE 0 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	26 Dec 09:15 PM MST

More Information:

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

Extended Forecast for

8 Miles NNE Lambert MT

Cold Weather Advisory December 27, 11:00am until December 28, 11:00am

Click here for hazard details and duration

Cold Weather Advisory

Tonight
Low: 22 °F
Decreasing
Clouds
Saturday
High: 26 °F⇓
Sunny then
Chance Snow
and Patchy
Freezing Fog
Saturday Night
Low: -7 °F
Blustery.
Chance Snow
then Mostly
Cloudy
Sunday
High: 1 °F
Becoming
Sunny
Sunday Night
Low: -8 °F
Clear
Monday
High: 26 °F
Mostly Sunny
Monday Night
Low: 15 °F
Cloudy
Tuesday
High: 34 °F
Partly Sunny
Tuesday Night
Low: 6 °F
Chance Snow

Detailed Forecast

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around 22. West southwest wind 6 to 10 mph.

Saturday

A 40 percent chance of snow, mainly between noon and 3pm. Patchy freezing fog after 1pm. Increasing clouds, with a temperature falling to around 7 by 5pm. Wind chill values between -5 and -15. Blustery, with a south southwest wind 6 to 11 mph becoming northwest 20 to 25 mph in the afternoon. Winds could gust as high as 33 mph. New snow accumulation of less than a half inch possible.

Saturday Night

A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around -7. Wind chill values between -20 and -30. Blustery, with a west northwest wind 22 to 26 mph, with gusts as high as 37 mph. New snow accumulation of less than a half inch possible.

Sunday

Partly sunny, then gradually becoming sunny, with a high near 1. Wind chill values between -20 and -30. West northwest wind 15 to 21 mph, with gusts as high as 29 mph.

Sunday Night

Clear, with a low around -8. West northwest wind 5 to 10 mph becoming south southwest after midnight.

Monday

Mostly sunny, with a high near 26. West wind 6 to 13 mph, with gusts as high as 20 mph.

Monday Night

Cloudy, with a low around 15. West wind 10 to 14 mph, with gusts as high as 22 mph.

Tuesday

Partly sunny, with a high near 34. West wind 13 to 15 mph, with gusts as high as 24 mph.

Tuesday Night

A 30 percent chance of snow. Cloudy, with a low around 6. Northwest wind around 10 mph becoming north northeast after midnight.

Wednesday

A 30 percent chance of snow, mainly before 11am. Cloudy, with a high near 16. North northeast wind around 10 mph.