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

LIBBY (LBBM8)

Lat: 48.40361°NLon: 115.53917°WElev: 2070.0ft.

32°F

0°C

Humidity	99%
Wind Speed	NW 0 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	09 Dec 09:25 PM MST

More Information:

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

Extended Forecast for

13 Miles WNW Happys Inn 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: 28 °F
Chance Snow
then Snow
Wednesday
High: 42 °F
Rain/Snow
then Rain
Wednesday Night
Low: 40 °F
Rain
Thursday
High: 40 °F
Rain
Thursday Night
Low: 33 °F
Rain/Snow
Likely then
Snow Likely
Friday
High: 38 °F
Snow then
Rain/Snow
Friday Night
Low: 31 °F
Rain/Snow
Likely
Saturday
High: 36 °F
Chance
Rain/Snow

Detailed Forecast

Tonight

Snow, mainly after midnight. Low around 28. Calm wind becoming south 5 to 7 mph after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around an inch possible.

Wednesday

Snow before 8am, then rain. Snow level rising to 7000 feet in the afternoon. High near 42. West southwest wind 9 to 18 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Wednesday Night

Rain. Low around 40. Southwest wind around 17 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday

Rain. Snow level 5900 feet lowering to 5200 feet in the afternoon . High near 40. West southwest wind 11 to 15 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

A chance of rain and snow before 11pm, then snow likely. Mostly cloudy, with a low around 33. West southwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

Snow before 2pm, then rain and snow. Snow level rising to 5900 feet in the afternoon. High near 38. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Friday Night

Rain likely before 11pm, then a chance of rain and snow. Snow level 6100 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 31. Chance of precipitation is 60%. Little or no snow accumulation expected.

Saturday

A chance of rain and snow. Snow level 4800 feet. Partly sunny, with a high near 36.

Saturday Night

A chance of rain and snow, mainly after 11pm. Snow level 5200 feet. Mostly cloudy, with a low around 31.

Sunday

A chance of rain and snow. Snow level 5100 feet. Mostly cloudy, with a high near 38.

Sunday Night

A chance of rain and snow. Snow level 5200 feet. Mostly cloudy, with a low around 32.

Monday

Rain and snow likely. Snow level 5400 feet. Mostly cloudy, with a high near 38.

Monday Night

Rain and snow. Snow level 5700 feet. Mostly cloudy, with a low around 33.