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.

32°F

0°C

Humidity	97%
Wind Speed	WNW 0 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Last update	10 Dec 12:01 AM PST

More Information:

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

Extended Forecast for

Washington Pass WA

Flood Watch December 10, 12:19am until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 10, 12:19am until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Overnight
Low: 29 °F⇑
Rain/Snow
Wednesday
High: 35 °F
Rain/Snow
Wednesday Night
Low: 28 °F
Rain/Snow
Thursday
High: 31 °F
Snow then
Chance Snow
Thursday Night
Low: 25 °F
Snow Likely
Friday
High: 34 °F
Snow
Friday Night
Low: 31 °F
Rain/Snow
Likely then
Chance
Rain/Snow
Saturday
High: 33 °F
Chance Snow

Detailed Forecast

Overnight

Rain, possibly mixed with snow, becoming all rain after 4am. The rain and snow could be heavy at times. Temperature rising to around 34 by 3am. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 8 inches possible.

Wednesday

Rain, possibly mixed with snow, becoming all rain after 2pm. The rain 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 1 to 2 inches possible.

Wednesday Night

Snow, possibly mixed with rain. 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 3 to 7 inches possible.

Thursday

Snow, mainly before 10am. High near 31. West wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

Snow likely, mainly after 10pm. Mostly cloudy, with a low around 25. West wind around 9 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Friday

Snow. High near 34. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday Night

Rain and snow likely before 1am, then a chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Saturday

A 40 percent chance of snow. Partly sunny, with a high near 33.

Saturday Night

Snow likely, mainly after 10pm. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.

Sunday

Snow. High near 32. Chance of precipitation is 80%.

Sunday Night

Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.

Monday

Snow. The snow could be heavy at times. High near 32. Chance of precipitation is 90%.

Monday Night

Snow. The snow could be heavy at times. Low around 26. Chance of precipitation is 90%.