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

Hydrologic Outlook

Current conditions at

Lolo Pass (ITD28)

Lat: 46.63592°NLon: 114.58037°WElev: 5262.0ft.

31°F

-1°C

Humidity	98%
Wind Speed	NNE 2 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	1.24 mi
Last update	09 Dec 08:15 PM MST

More Information:

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

Extended Forecast for

12 Miles SSW Alberton MT

Tonight
Low: 30 °F⇑
Snow
Wednesday
High: 40 °F
Rain and
Breezy
Wednesday Night
Low: 37 °F
Rain
Thursday
High: 39 °F
Rain then
Rain/Snow
Thursday Night
Low: 37 °F
Rain/Snow
Friday
High: 37 °F
Rain/Snow
then Chance
Rain/Snow
Friday Night
Low: 33 °F
Chance
Rain/Snow
Saturday
High: 37 °F
Chance Snow
Saturday Night
Low: 31 °F
Slight Chance
Snow

Detailed Forecast

Tonight

Snow, mainly after 9pm. Temperature rising to around 36 by 5am. South wind 6 to 11 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around an inch possible.

Wednesday

Rain. High near 40. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Wednesday Night

Rain. Low around 37. Southwest wind 18 to 21 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

Rain before 2pm, then rain and snow. Snow level 8100 feet lowering to 6600 feet in the afternoon . High near 39. West southwest wind around 18 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Rain and snow. Snow level 6200 feet. Low around 37. West wind 9 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday

Rain and snow before 2pm, then a chance of rain. Snow level rising to 7000 feet in the afternoon. High near 37. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday Night

A chance of rain before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am. Snow level 6800 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 33. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Saturday

A chance of snow, mainly before 11am. Mostly cloudy, with a high near 37.

Saturday Night

A slight chance of snow after 11pm. Mostly cloudy, with a low around 31.

Sunday

A chance of snow. Partly sunny, with a high near 36.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 32.

Monday

A chance of rain and snow. Mostly cloudy, with a high near 37.

Monday Night

Rain and snow likely. Snow level 6200 feet. Mostly cloudy, with a low around 34.