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 until December 12, 07:00 AM PST

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.34694°NLon: 120.72028°WElev: 1230.0ft.

41°F

5°C

Humidity	93%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	39°F (4°C)
Visibility	NA
Last update	09 Dec 06:01 PM PST

More Information:

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

Extended Forecast for

3 Miles S Washington Pass WA

Flood Watch December 9, 06:45pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 06:45pm until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Tonight
Low: 24 °F⇑
Heavy Snow
then
Rain/Snow
Wednesday
High: 34 °F
Rain/Snow
Wednesday Night
Low: 25 °F
Heavy Snow
and Breezy
Thursday
High: 28 °F
Snow and
Breezy
Thursday Night
Low: 24 °F
Snow Likely
Friday
High: 30 °F
Snow
Friday Night
Low: 25 °F
Snow Likely
Saturday
High: 28 °F
Chance Snow

Detailed Forecast

Tonight

Snow before 3am, then snow, possibly mixed with rain between 3am and 4am, then rain after 4am. The rain and snow could be heavy at times. Temperature rising to around 35 by 4am. Southeast wind 8 to 15 mph becoming southwest after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 8 to 12 inches possible.

Wednesday

Snow, possibly mixed with rain, becoming all snow after 1pm. The rain and snow could be heavy at times. High near 34. West wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Low around 25. Breezy, with a west wind 14 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

Thursday

Snow. High near 28. Breezy, with a west wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

Snow likely. Mostly cloudy, with a low around 24. West wind around 14 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow. High near 30. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 25. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Saturday

A 40 percent chance of snow. Mostly cloudy, with a high near 28.

Saturday Night

Snow, mainly after 10pm. Low around 24. Chance of precipitation is 80%.

Sunday

Snow. High near 27. Chance of precipitation is 80%.

Sunday Night

Snow likely. Mostly cloudy, with a low around 23. Chance of precipitation is 70%.

Monday

Snow. The snow could be heavy at times. High near 27. Chance of precipitation is 90%.

Monday Night

Snow. The snow could be heavy at times. Low around 24. Chance of precipitation is 90%.