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

Flood Watch in effect from December 8, 05:00 PM MST until December 11, 05:00 PM MST

Current conditions at

Lolo Pass (ITD28)

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

31°F

-1°C

Humidity	97%
Wind Speed	ENE 5 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	1.24 mi
Wind Chill	26°F (-3°C)
Last update	09 Dec 06:30 PM MST

More Information:

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

Extended Forecast for

17 Miles SW Alberton MT

Flood Watch until December 11, 05:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch until December 11, 05:00pm
NOW until 5:00pm Thu
Flood Watch
Tonight
Low: 29 °F⇑
Snow and
Breezy
Wednesday
High: 39 °F
Rain and
Breezy
Wednesday Night
Low: 36 °F
Rain and
Windy
Thursday
High: 39 °F
Rain/Snow and
Windy
Thursday Night
Low: 35 °F
Snow
Friday
High: 37 °F
Snow then
Rain/Snow
Likely
Friday Night
Low: 32 °F
Breezy.
Chance
Rain/Snow
then Chance
Snow
Saturday
High: 34 °F
Chance Snow

Detailed Forecast

Tonight

Snow, mainly after 9pm. Temperature rising to around 36 by 5am. Breezy, with a west southwest wind 10 to 15 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.

Wednesday

Rain. Snow level 7300 feet rising to 8400 feet in the afternoon. High near 39. Breezy, with a west southwest wind 23 to 26 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday Night

Rain. Low around 36. Windy, with a southwest wind 28 to 32 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday

Rain before 11am, then rain and snow. Snow level 8100 feet lowering to 6500 feet in the afternoon . High near 39. Windy, with a west southwest wind 27 to 32 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday Night

Snow. Low around 35. West wind 17 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday

Snow before 2pm, then rain likely. High near 37. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday Night

A chance of rain and snow before 11pm, then a chance of snow. Mostly cloudy, with a low around 32. Breezy. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Saturday

A chance of snow, mainly before 11am. Partly sunny, with a high near 34.

Saturday Night

A slight chance of snow after 11pm. Mostly cloudy, with a low around 30.

Sunday

A chance of snow. Partly sunny, with a high near 35.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 31.

Monday

A chance of snow. Mostly cloudy, with a high near 36.

Monday Night

Snow. Mostly cloudy, with a low around 32. Breezy.