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 >

Hazardous Weather Conditions

Current conditions at

Butte, Bert Mooney Airport (KBTM)

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

Overcast

34°F

1°C

Humidity	86%
Wind Speed	N 0 MPH
Barometer	29.73 in (1006.77 mb)
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Last update	26 Dec 03:35 AM MST

More Information:

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

Extended Forecast for

Butte MT

Wind Advisory December 26, 06:00am 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

Overnight
Low: 30 °F
Chance Snow
Friday
High: 40 °F
Chance Snow
and Breezy
Friday Night
Low: 20 °F
Partly Cloudy
then Chance
Snow
Saturday
High: 27 °F
Snow Likely
and Patchy
Blowing Snow
Saturday Night
Low: 3 °F
Partly Cloudy
Sunday
High: 22 °F
Mostly Sunny
Sunday Night
Low: 8 °F
Mostly Clear
Monday
High: 32 °F
Mostly Sunny
Monday Night
Low: 19 °F
Mostly Cloudy

Detailed Forecast

Overnight

A 30 percent chance of snow, mainly between 4am and 5am. Mostly cloudy, with a low around 30. Southeast wind around 6 mph. Total nighttime snow accumulation of less than a half inch possible.

Friday

A 40 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 40. Breezy, with a south southeast wind 7 to 12 mph becoming south 19 to 24 mph in the afternoon. Winds could gust as high as 40 mph. New snow accumulation of less than a half inch possible.

Friday Night

A 50 percent chance of snow after 1am. Increasing clouds, with a low around 20. Southwest wind 16 to 20 mph, with gusts as high as 36 mph. New snow accumulation of less than one inch possible.

Saturday

Snow likely, mainly before 11am. Patchy blowing snow between 11am and 2pm. Partly sunny, with a high near 27. West wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around 3. Northwest wind 8 to 13 mph becoming light west after midnight.

Sunday

Mostly sunny, with a high near 22.

Sunday Night

Mostly clear, with a low around 8.

Monday

Mostly sunny, with a high near 32.

Monday Night

Mostly cloudy, with a low around 19.

Tuesday

Mostly cloudy, with a high near 38.