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.

31°F

-1°C

Humidity	NA
Wind Speed	E 0 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

6 Miles W Trinity WA

Flood Watch December 10, 12:15am until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 10, 12:15am until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Overnight
Low: 29 °F⇑
Rain/Snow and
Breezy
Wednesday
High: 35 °F
Heavy Snow
then
Rain/Snow and
Breezy
Wednesday Night
Low: 26 °F
Heavy Snow
and Windy
Thursday
High: 30 °F
Snow and
Breezy then
Snow Likely
Thursday Night
Low: 26 °F
Snow Likely
Friday
High: 31 °F
Snow
Friday Night
Low: 29 °F
Snow Likely
Saturday
High: 31 °F
Chance Snow

Detailed Forecast

Overnight

Snow before 2am, then rain and snow. The rain and snow could be heavy at times. Temperature rising to around 35 by 5am. Breezy, with a west wind 10 to 18 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 10 to 14 inches possible.

Wednesday

Snow before 1pm, then rain and snow. The rain and snow could be heavy at times. High near 35. Breezy, with a west wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Low around 26. Windy, with a west wind 18 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

Thursday

Snow. High near 30. Breezy, with a west wind 14 to 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

Snow likely. Mostly cloudy, with a low around 26. Northwest wind 11 to 13 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Friday

Snow. High near 31. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday

A 40 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 31.

Saturday Night

Snow likely, mainly after 10pm. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

Sunday

Snow. High near 29. 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 30. Chance of precipitation is 90%.

Monday Night

Snow. The snow could be heavy at times. Low around 25. Breezy. Chance of precipitation is 100%.