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

Washington Pass WA

Flood Watch December 9, 06:43pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 06:43pm until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Tonight
Low: 27 °F⇑
Heavy Snow
then
Rain/Snow
Wednesday
High: 35 °F
Rain/Snow
Wednesday Night
Low: 28 °F
Rain/Snow
then Heavy
Snow
Thursday
High: 31 °F
Snow
Thursday Night
Low: 26 °F
Snow Likely
Friday
High: 32 °F
Snow then
Rain/Snow
Friday Night
Low: 28 °F
Rain/Snow
Likely then
Chance Snow
Saturday
High: 31 °F
Chance Snow
then Chance
Rain/Snow

Detailed Forecast

Tonight

Snow before 2am, then rain and snow. The rain and snow could be heavy at times. Temperature rising to around 34 by 3am. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 6 to 10 inches possible.

Wednesday

Snow, possibly mixed with rain. The rain and snow could be heavy at times. High near 35. Southwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Wednesday Night

Snow before 9pm, then snow, possibly mixed with rain between 9pm and 10pm, then snow after 10pm. The rain and snow could be heavy at times. Low around 28. West wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

Thursday

Snow. High near 31. West wind 11 to 15 mph, with gusts as high as 24 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 26. West wind around 9 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow before 1pm, then snow, possibly mixed with rain. High near 32. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday Night

Snow likely, possibly mixed with rain before 10pm, then a chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Saturday

A chance of snow before 4pm, then a chance of rain and snow. Partly sunny, with a high near 31. Chance of precipitation is 40%.

Saturday Night

A chance of rain and snow before 7pm, then snow. Low around 26. Chance of precipitation is 80%.

Sunday

Snow. High near 31. Chance of precipitation is 80%.

Sunday Night

Snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 70%.

Monday

Snow, possibly mixed with rain. The snow could be heavy at times. High near 31. Chance of precipitation is 90%.

Monday Night

Snow, possibly mixed with rain. The snow could be heavy at times. Low around 25. Chance of precipitation is 90%.