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

10 Miles WNW Plain WA

Flood Watch December 10, 03:57am until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 10, 03:57am until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Overnight
Low: 40 °F
Heavy Rain
Wednesday
High: 46 °F
Heavy Rain
Wednesday Night
Low: 36 °F
Heavy Rain
and Breezy
Thursday
High: 41 °F
Rain/Snow
then
Rain/Snow
Likely
Thursday Night
Low: 35 °F
Rain/Snow
Likely
Friday
High: 43 °F
Rain/Snow
Likely
Friday Night
Low: 37 °F
Chance Rain
Saturday
High: 44 °F
Chance Rain

Detailed Forecast

Overnight

Rain. The rain could be heavy at times. Steady temperature around 40. West wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Wednesday

Rain. The rain could be heavy at times. High near 46. West wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between 3 and 4 inches possible.

Wednesday Night

Rain. The rain could be heavy at times. Low around 36. Breezy, with a west wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Thursday

Rain, possibly mixed with snow. High near 41. West wind 10 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 35. West wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Friday

Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 43. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 37.

Saturday

A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 44.

Saturday Night

A 50 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 35.

Sunday

Rain likely. Mostly cloudy, with a high near 41. Chance of precipitation is 70%.

Sunday Night

Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.