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

4 Miles N Stevens Pass WA

Flood Watch December 9, 08:37pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 08:37pm until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Tonight
Low: 34 °F⇑
Rain/Snow
then Heavy
Rain
Wednesday
High: 44 °F
Heavy Rain
Wednesday Night
Low: 35 °F
Heavy Rain
and Breezy
then
Rain/Snow
Thursday
High: 38 °F
Rain/Snow
Thursday Night
Low: 34 °F
Rain/Snow
Friday
High: 41 °F
Rain/Snow
Friday Night
Low: 35 °F
Rain Likely
Saturday
High: 40 °F
Chance Rain

Detailed Forecast

Tonight

Rain and snow, becoming all rain after 10pm. The rain could be heavy at times. Temperature rising to around 41 by 5am. Light and variable wind becoming southwest 5 to 9 mph in the evening. Winds could gust as high as 25 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 44. West wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts in excess of 4 inches possible.

Wednesday Night

Rain before 1am, then rain, possibly mixed with snow. The rain could be heavy at times. Low around 35. Breezy, with a west wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday

Rain and snow, becoming all snow after 1pm. High near 38. West wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Snow likely before 7pm, then rain and snow. Low around 34. West wind around 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday

Rain and snow, becoming all rain after 1pm. High near 41. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

Saturday

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

Saturday Night

Rain, mainly after 10pm. Low around 34. Chance of precipitation is 80%.

Sunday

Rain, possibly mixed with snow. High near 38. Chance of precipitation is 80%.

Sunday Night

Rain and snow. Low around 33. Chance of precipitation is 80%.