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

RONAN (RONM8)

Lat: 47.53639°NLon: 114.09889°WElev: 3068.0ft.

35°F

2°C

Humidity	83%
Wind Speed	S 3 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Last update	09 Dec 08:31 PM MST

More Information:

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

Extended Forecast for

12 Miles E Polson MT

Flood Watch until December 11, 05:00pm

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

Click here for hazard details and duration

Flood Watch

Winter Weather Advisory

Flood Watch until December 11, 05:00pm
NOW until 5:00pm Thu
Flood Watch
Tonight
Low: 24 °F⇑
Slight Chance
Snow then
Heavy Snow
Wednesday
High: 37 °F
Rain/Snow
then Rain and
Breezy
Wednesday Night
Low: 34 °F
Breezy. Rain
then
Rain/Snow
Thursday
High: 35 °F
Rain/Snow and
Breezy
Thursday Night
Low: 30 °F
Snow
Friday
High: 34 °F
Heavy Snow
Friday Night
Low: 28 °F
Snow Likely
Saturday
High: 31 °F
Chance Snow

Detailed Forecast

Tonight

Snow, mainly after 1am. The snow could be heavy at times. Temperature rising to around 31 by 5am. Southwest wind 10 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.

Wednesday

Snow before 8am, then rain, possibly mixed with snow between 8am and 11am, then rain after 11am. The snow could be heavy at times. Snow level rising to 7800 feet in the afternoon. High near 37. 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 before 2am, then rain, possibly mixed with snow. Snow level 7600 feet lowering to 6900 feet after midnight . Low around 34. Breezy, with a southwest wind 22 to 26 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Thursday

Rain and snow, becoming all snow after 2pm. High near 35. Breezy, with a west southwest wind 17 to 26 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

Snow. Low around 30. West wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

Friday

Snow. The snow could be heavy at times. High near 34. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Friday Night

Snow likely, mainly before 11pm. Mostly cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

Saturday

A chance of snow. Mostly cloudy, with a high near 31.

Saturday Night

A slight chance of snow. Mostly cloudy, with a low around 28.

Sunday

A chance of snow. Partly sunny, with a high near 32.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 29.

Monday

A chance of snow. Mostly cloudy, with a high near 34.

Monday Night

Snow. Mostly cloudy, with a low around 31. Breezy.