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

Winter Weather Advisory in effect from December 27, 02:00 AM MST until December 27, 05:00 PM MST

Current conditions at

Missoula, Missoula International Airport (KMSO)

Lat: 46.92083°NLon: 114.0925°WElev: 3199.0ft.

Mist

39°F

4°C

Humidity	95%
Wind Speed	W 4 MPH
Barometer	29.7 in (1005.76 mb)
Dewpoint	38°F (3°C)
Visibility	2.00 mi
Wind Chill	36°F (2°C)
Last update	25 Dec 01:39 PM MST

More Information:

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

Extended Forecast for

Lolo MT

Winter Weather Advisory December 27, 02:00am until December 27, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Christmas Day
High: 46 °F
Chance Rain
and Patchy
Fog
Tonight
Low: 29 °F
Chance Rain
and Areas Fog
Friday
High: 43 °F
Rain/Snow
Likely and
Areas Fog
Friday Night
Low: 22 °F
Rain/Snow
then Snow
Saturday
High: 31 °F
Snow Likely
then Chance
Snow
Saturday Night
Low: 9 °F
Partly Cloudy
Sunday
High: 29 °F
Mostly Sunny
Sunday Night
Low: 12 °F
Partly Cloudy
Monday
High: 34 °F
Mostly Sunny

Detailed Forecast

Christmas Day

A 30 percent chance of rain, mainly between 2pm and 5pm. Patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 46. Southeast wind around 5 mph.

Tonight

A chance of rain before 1am, then a chance of rain after 4am. Areas of fog. Otherwise, mostly cloudy, with a low around 29. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%.

Friday

Rain likely, possibly mixed with snow, mainly before 2pm. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 43. Light south southeast wind increasing to 15 to 20 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday Night

A chance of rain and snow before 8pm, then snow. Low around 22. South southwest wind 10 to 14 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Saturday

Snow likely, mainly before 11am. Partly sunny, with a high near 31. West wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around 9.

Sunday

Mostly sunny, with a high near 29.

Sunday Night

Partly cloudy, with a low around 12.

Monday

Mostly sunny, with a high near 34.

Monday Night

Mostly cloudy, with a low around 20.

Tuesday

Patchy fog. Otherwise, mostly cloudy, with a high near 40.