Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Flood Watch until December 11, 04:00 PM 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	W 10 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Wind Chill	20°F (-7°C)
Last update	NA

More Information:

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

Extended Forecast for

15 Miles WSW Trinity WA

Flood Watch December 9, 12:07pm until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 12:07pm until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
This Afternoon
High: 31 °F
Heavy Snow
Tonight
Low: 28 °F⇑
Rain/Snow
Wednesday
High: 38 °F
Rain/Snow
Wednesday Night
Low: 30 °F
Rain/Snow
Thursday
High: 33 °F
Rain/Snow
then Snow
Thursday Night
Low: 30 °F
Snow then
Rain/Snow
Friday
High: 34 °F
Rain/Snow
Likely
Friday Night
Low: 31 °F
Chance
Rain/Snow

Detailed Forecast

This Afternoon

Snow, mainly after 1pm. The snow could be heavy at times. High near 31. West wind 6 to 9 mph becoming south. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

Rain, possibly mixed with snow, becoming all rain after 1am. The rain and snow could be heavy at times. Temperature rising to around 37 by 3am. East wind 9 to 15 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Wednesday

Rain before 10am, then rain and snow. The rain could be heavy at times. High near 38. West wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Wednesday Night

Rain, possibly mixed with snow. The rain could be heavy at times. Low around 30. West wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Thursday

Rain and snow, becoming all snow after 10am. The rain could be heavy at times. High near 33. West wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Thursday Night

Snow before 1am, then rain, possibly mixed with snow. Low around 30. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday

Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 34. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday Night

A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.

Saturday

Rain and snow likely, mainly after 4pm. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.

Saturday Night

Rain and snow likely before 10pm, then snow. Low around 29. Chance of precipitation is 80%.

Sunday

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

Sunday Night

Snow. Low around 30. Chance of precipitation is 80%.