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.

37°F

3°C

Humidity	94%
Wind Speed	WNW 1 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Last update	09 Dec 10:01 PM PST

More Information:

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

Extended Forecast for

11 Miles W Washington Pass WA

Flood Watch December 9, 10:24pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 10:24pm until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Tonight
Low: 30 °F⇑
Rain/Snow
Wednesday
High: 37 °F
Rain/Snow
Wednesday Night
Low: 28 °F
Heavy Snow
Thursday
High: 31 °F
Snow
Thursday Night
Low: 27 °F
Snow Likely
Friday
High: 34 °F
Snow then
Rain/Snow
Friday Night
Low: 30 °F
Rain/Snow
Likely
Saturday
High: 33 °F
Chance Snow
then Chance
Rain/Snow

Detailed Forecast

Tonight

Rain, possibly mixed with snow, becoming all rain after 2am. The rain and snow could be heavy at times. Temperature rising to around 35 by 3am. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 7 to 11 inches possible.

Wednesday

Rain, possibly mixed with snow, becoming all snow after 1pm. The rain and snow could be heavy at times. High near 37. West wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Low around 28. West wind around 11 mph. Chance of precipitation is 100%. New snow accumulation of 15 to 21 inches possible.

Thursday

Snow. High near 31. West wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Snow likely. Mostly cloudy, with a low around 27. West wind around 6 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow before 1pm, then snow, possibly mixed with rain. High near 34. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow likely, possibly mixed with rain, mainly before 10pm. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Saturday

A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 33. Chance of precipitation is 50%.

Saturday Night

Snow likely, possibly mixed with rain before 1am, then snow. The snow could be heavy at times. Low around 28. Chance of precipitation is 80%.

Sunday

Snow. The snow could be heavy at times. High near 31. Chance of precipitation is 80%.

Sunday Night

Snow. Low around 27. Chance of precipitation is 80%.

Monday

Snow, possibly mixed with rain. The snow could be heavy at times. High near 33. Chance of precipitation is 90%.

Monday Night

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