Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Hazardous Weather Conditions

Flood Advisory until December 11, 11:45 AM PST

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

42°F

6°C

Humidity	95%
Wind Speed	NNW 5 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Wind Chill	39°F (4°C)
Last update	11 Dec 06:01 AM PST

More Information:

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

Extended Forecast for

15 Miles SW Twisp WA

Flood Advisory December 11, 06:52am until December 11, 11:45am

Click here for hazard details and duration

Flood Advisory

Flood Advisory December 11, 06:52am until December 11, 11:45am
NOW until 11:45am Thu
Flood Advisory
Today
High: 29 °F
Snow and
Windy then
Chance Snow
Tonight
Low: 21 °F⇑
Chance Snow
Friday
High: 32 °F
Chance Snow
Friday Night
Low: 25 °F
Chance Snow
Saturday
High: 32 °F
Mostly Sunny
Saturday Night
Low: 23 °F
Chance Snow
then Snow
Likely
Sunday
High: 30 °F
Snow Likely
Sunday Night
Low: 25 °F
Snow

Detailed Forecast

Today

Snow, mainly before 10am. High near 29. Windy, with a west wind 20 to 25 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 2 inches possible.

Tonight

A 30 percent chance of snow, mainly between 7pm and 1am. Mostly cloudy, with a temperature rising to around 26 by 5am. West wind around 10 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

Friday

A 40 percent chance of snow. Partly sunny, with a high near 32. West wind around 10 mph. New snow accumulation of less than a half inch possible.

Friday Night

A 30 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 25. West wind 10 to 13 mph, with gusts as high as 23 mph. Little or no snow accumulation expected.

Saturday

Mostly sunny, with a high near 32. Southwest wind 6 to 8 mph.

Saturday Night

Snow likely, mainly after 4am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Sunday

Snow likely, mainly before 10am. Partly sunny, with a high near 30. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Sunday Night

Snow, mainly after 10pm. Low around 25. Chance of precipitation is 80%.

Monday

Snow. The snow could be heavy at times. High near 30. Chance of precipitation is 100%.

Monday Night

Snow. Low around 21. Chance of precipitation is 90%.

Tuesday

Snow. The snow could be heavy at times. High near 25. Chance of precipitation is 90%.

Tuesday Night

Snow. The snow could be heavy at times. Low around 18. Chance of precipitation is 90%.

Wednesday

Snow. The snow could be heavy at times. High near 22. Chance of precipitation is 80%.