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

Stevens Pass - Tye Mill (STS54)

Lat: 47.73163°NLon: 121.0853°WElev: 5180.0ft.

29°F

-2°C

Humidity	NA
Wind Speed	E 5 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Wind Chill	24°F (-4°C)
Last update	NA

More Information:

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

Extended Forecast for

6 Miles SSW Stevens Pass WA

Flood Watch December 9, 09:02pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 09:02pm until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Tonight
Low: 32 °F⇑
Rain/Snow
then Heavy
Rain and
Breezy
Wednesday
High: 39 °F
Heavy Rain
and Breezy
Wednesday Night
Low: 30 °F
Windy. Heavy
Rain then
Rain/Snow
Thursday
High: 33 °F
Snow
Thursday Night
Low: 31 °F
Snow
Friday
High: 35 °F
Snow then
Rain/Snow
Likely
Friday Night
Low: 32 °F
Rain/Snow
Likely
Saturday
High: 34 °F
Chance Snow

Detailed Forecast

Tonight

Snow, possibly mixed with rain, becoming all rain after 10pm. The rain could be heavy at times. Temperature rising to around 38 by 2am. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.

Wednesday

Rain. The rain could be heavy at times. High near 39. Breezy, with a west wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between 3 and 4 inches possible.

Wednesday Night

Rain before 1am, then rain and snow. The rain could be heavy at times. Low around 30. Windy, with a west wind 22 to 28 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Thursday

Snow. High near 33. West wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Snow. Low around 31. West wind 11 to 13 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Friday

Snow before 1pm, then rain and snow likely. High near 35. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Friday Night

Rain and snow likely before 1am, then a chance of snow. Mostly cloudy, with a low around 32. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday

A 40 percent chance of snow. Mostly cloudy, with a high near 34.

Saturday Night

Snow, mainly after 10pm. Low around 30. Chance of precipitation is 80%.

Sunday

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

Sunday Night

Snow. Low around 29. Chance of precipitation is 80%.

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 29. Breezy. Chance of precipitation is 90%.