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 Warning until December 11, 10:00 AM PST

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

41°F

5°C

Humidity	95%
Wind Speed	NNW 5 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Wind Chill	38°F (3°C)
Last update	11 Dec 07:01 AM 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 Warning December 11, 07:15am until December 11, 10:00am

Click here for hazard details and duration

...

Flood Warning December 11, 07:15am until December 11, 10:00am
NOW until 10:00am Thu
Flood Warning
Today
High: 32 °F
Snow
Tonight
Low: 27 °F⇑
Snow Likely
then
Rain/Snow
Friday
High: 36 °F
Rain/Snow
Friday Night
Low: 32 °F
Rain/Snow
Likely
Saturday
High: 37 °F
Slight Chance
Rain/Snow
Saturday Night
Low: 31 °F
Rain/Snow
Likely
Sunday
High: 34 °F
Rain/Snow
Sunday Night
Low: 31 °F
Rain/Snow

Detailed Forecast

Today

Snow, mainly before 1pm. High near 32. West wind 8 to 13 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

Snow, possibly mixed with rain, mainly before 5am. Temperature rising to around 31 by 5am. West wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday

Rain, possibly mixed with snow. High near 36. West wind 5 to 8 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Friday Night

Rain likely, possibly mixed with snow before 10pm, then a chance of rain between 10pm and 4am, then a slight chance of rain and snow after 4am. Mostly cloudy, with a low around 32. West wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Saturday

A slight chance of rain and snow before 10am, then a slight chance of rain and snow after 4pm. Mostly sunny, with a high near 37. South wind around 6 mph. Chance of precipitation is 20%.

Saturday Night

Rain and snow likely, mainly after 10pm. Mostly cloudy, with a low around 31. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Sunday

Rain and snow. High near 34. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Sunday Night

Rain and snow. Low around 31. Chance of precipitation is 90%.

Monday

Rain and snow. High near 36. Chance of precipitation is 100%.

Monday Night

Rain and snow, becoming all snow after 10pm. Low around 26. Chance of precipitation is 100%.

Tuesday

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

Tuesday Night

Snow. The snow could be heavy at times. Low around 23. Chance of precipitation is 90%.