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

Current conditions at

Butte, Bert Mooney Airport (KBTM)

Lat: 45.95472°NLon: 112.4975°WElev: 5545.0ft.

Clear

36°F

2°C

Humidity	40%
Wind Speed	SW 5 MPH
Barometer	29.58 in (1001.69 mb)
Dewpoint	14°F (-10°C)
Visibility	10.00 mi
Wind Chill	32°F (0°C)
Last update	26 Dec 07:35 PM MST

More Information:

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

Extended Forecast for

11 Miles WNW Silver Star MT

Wind Advisory until December 27, 05:00am

Winter Weather Advisory December 27, 05:00am until December 27, 08:00pm

Click here for hazard details and duration

Wind Advisory

Winter Weather Advisory

Wind Advisory until December 27, 05:00am
NOW until 5:00am Sat
Wind Advisory
Tonight
Low: 7 °F
Snow Likely
and Blowing
Snow
Saturday
High: 12 °F⇓
Chance Snow
and Blowing
Snow
Saturday Night
Low: -2 °F
Partly Cloudy
Sunday
High: 10 °F
Cold
Sunday Night
Low: 7 °F
Mostly Clear
Monday
High: 18 °F
Mostly Sunny
Monday Night
Low: 15 °F
Partly Cloudy
Tuesday
High: 23 °F
Partly Sunny

Detailed Forecast

Tonight

Snow likely, mainly after 5am. Widespread blowing snow, mainly after 2am. Increasing clouds, with a low around 7. Wind chill values as low as -11. Windy, with a southwest wind 28 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

Saturday

A 30 percent chance of snow after 3pm. Widespread blowing snow, mainly before 11am. Partly sunny, with a temperature falling to around 4 by 5pm. Wind chill values as low as -16. Windy, with a west northwest wind 29 to 34 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 48 mph. New snow accumulation of less than one inch possible.

Saturday Night

Partly cloudy, with a low around -2. Wind chill values as low as -21. West wind 13 to 16 mph, with gusts as high as 24 mph.

Sunday

Sunny and cold, with a high near 10. Wind chill values as low as -19. West southwest wind 9 to 13 mph.

Sunday Night

Mostly clear, with a low around 7. West southwest wind 8 to 13 mph.

Monday

Mostly sunny, with a high near 18.

Monday Night

Partly cloudy, with a low around 15.

Tuesday

Partly sunny, with a high near 23.