Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Flood Watch until December 12, 07:00 AM PST

Current conditions at

Stampede Pass (KSMP)

Lat: 47.27648°NLon: 121.33817°WElev: 3970.0ft.

rain,mist

46°F

8°C

Humidity	100%
Wind Speed	W 9 MPH
Barometer	29.85 in (1010.84 mb)
Dewpoint	46°F (8°C)
Visibility	1.00 mi
Wind Chill	41°F (5°C)
Last update	10 Dec 06:07 AM PST

More Information:

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

Extended Forecast for

5 Miles ENE Snoqualmie Pass WA

Flood Watch December 10, 06:19am until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 10, 06:19am until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Today
High: 43 °F
Heavy Rain
Tonight
Low: 33 °F
Breezy. Heavy
Rain then
Rain/Snow
Thursday
High: 36 °F
Rain/Snow
Thursday Night
Low: 34 °F
Rain/Snow
Likely
Friday
High: 40 °F
Rain/Snow
Likely then
Rain Likely
Friday Night
Low: 34 °F
Chance Rain
Saturday
High: 43 °F
Chance Rain
Saturday Night
Low: 34 °F
Rain

Detailed Forecast

Today

Rain. The rain could be heavy at times. High near 43. West wind 16 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between 3 and 4 inches possible.

Tonight

Rain before 4am, then rain and snow. The rain could be heavy at times. Low around 33. Breezy, with a west wind 20 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Thursday

Rain and snow. Steady temperature around 36. West wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Thursday Night

Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 34. Northwest wind around 7 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday

Rain likely, possibly mixed with snow, becoming all rain after 7am. Mostly cloudy, with a high near 40. West wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday Night

A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 34.

Saturday

A 30 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 43.

Saturday Night

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

Sunday

Rain before 10am, then rain likely, possibly mixed with snow. High near 37. Chance of precipitation is 80%.

Sunday Night

Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 34.

Monday

Rain, possibly mixed with snow. Mostly cloudy, with a high near 38.