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.

40°F

4°C

Humidity	NA
Wind Speed	NW 5 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Wind Chill	36°F (2°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 10, 04:22am until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 10, 04:22am until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Overnight
Low: 38 °F
Heavy Rain
Wednesday
High: 39 °F
Heavy Rain
Wednesday Night
Low: 28 °F
Rain/Snow and
Breezy
Thursday
High: 32 °F
Heavy Snow
Thursday Night
Low: 30 °F
Snow
Friday
High: 34 °F
Rain/Snow
Friday Night
Low: 32 °F
Rain/Snow
Likely
Saturday
High: 35 °F
Chance
Rain/Snow

Detailed Forecast

Overnight

Rain. The rain could be heavy at times. Steady temperature around 38. West wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Wednesday

Rain. The rain could be heavy at times. High near 39. West wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts in excess of 4 inches possible.

Wednesday Night

Rain before 11pm, then rain and snow. The rain and snow could be heavy at times. Low around 28. Breezy, with a west wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Thursday

Snow. The snow could be heavy at times. High near 32. West wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Thursday Night

Snow. Low around 30. Northwest wind around 9 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday

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

Friday Night

Rain and snow likely before 1am, then a chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 70%. Little or no snow accumulation expected.

Saturday

A chance of rain before 7am, then a chance of rain and snow between 7am and 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.

Saturday Night

Rain likely before 1am, then rain, possibly mixed with snow. Low around 31. Chance of precipitation is 80%.

Sunday

Rain and snow before 10am, then snow between 10am and 4pm, then rain and snow after 4pm. High near 32. Chance of precipitation is 80%.

Sunday Night

Rain and snow. Low around 31. Chance of precipitation is 80%.

Monday

Rain and snow. The rain could be heavy at times. High near 33. Chance of precipitation is 90%.

Monday Night

Rain and snow. Low around 28. Chance of precipitation is 100%.

Tuesday

Snow. The snow could be heavy at times. High near 29. Chance of precipitation is 90%.