Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Missoula, Missoula International Airport (KMSO)

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

Partly Cloudy

39°F

4°C

Humidity	64%
Wind Speed	SW 9 MPH
Barometer	30.14 in (1020.66 mb)
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Wind Chill	33°F (1°C)
Last update	09 Dec 06:35 PM MST

More Information:

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

Extended Forecast for

9 Miles ESE Arlee MT

Winter Weather Advisory December 10, 12:00am until December 10, 11:00am

Click here for hazard details and duration

Winter Weather Advisory

Tonight
Low: 21 °F⇑
Snow Likely
then Heavy
Snow
Wednesday
High: 34 °F
Rain/Snow and
Breezy
Wednesday Night
Low: 31 °F
Rain/Snow and
Breezy
Thursday
High: 32 °F
Rain/Snow and
Breezy
Thursday Night
Low: 29 °F
Heavy Snow
Friday
High: 31 °F
Heavy Snow
Friday Night
Low: 26 °F
Chance Snow
Saturday
High: 28 °F
Chance Snow
Saturday Night
Low: 25 °F
Slight Chance
Snow

Detailed Forecast

Tonight

Snow, mainly after 11pm. The snow could be heavy at times. Temperature rising to around 30 by 5am. South southwest wind 10 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.

Wednesday

Rain and snow before 11am, then rain between 11am and 5pm, then rain, possibly mixed with snow after 5pm. Snow level rising to 8500 feet in the afternoon. High near 34. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Wednesday Night

Rain and snow. Snow level 8100 feet. Low around 31. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Thursday

Snow, possibly mixed with rain, becoming all snow after 2pm. The snow could be heavy at times. High near 32. Breezy, with a west wind 18 to 25 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Low around 29. West wind 14 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Friday

Snow. The snow could be heavy at times. High near 31. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Friday Night

A 50 percent chance of snow. Cloudy, with a low around 26. New snow accumulation of 2 to 4 inches possible.

Saturday

A chance of snow, mainly before 11am. Mostly cloudy, with a high near 28.

Saturday Night

A slight chance of snow. Mostly cloudy, with a low around 25.

Sunday

A chance of snow. Partly sunny, with a high near 28.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 25.