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

48°F

9°C

Humidity	100%
Wind Speed	W 8 MPH
Barometer	29.9 in (1012.53 mb)
Dewpoint	48°F (9°C)
Visibility	0.75 mi
Wind Chill	44°F (7°C)
Last update	10 Dec 01:09 PM PST

More Information:

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

Extended Forecast for

3 Miles E Snoqualmie Pass WA

Flood Watch December 10, 01:33pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 10, 01:33pm until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
This Afternoon
High: 44 °F
Heavy Rain
and Breezy
Tonight
Low: 32 °F
Windy. Heavy
Rain then
Rain/Snow
Thursday
High: 35 °F
Snow and
Breezy then
Rain/Snow
Thursday Night
Low: 35 °F
Rain/Snow
Friday
High: 40 °F
Rain/Snow
Likely
Friday Night
Low: 35 °F
Chance
Rain/Snow
Saturday
High: 45 °F
Mostly Sunny
then Slight
Chance Rain
Saturday Night
Low: 35 °F
Chance Rain
then Rain

Detailed Forecast

This Afternoon

Rain. The rain could be heavy at times. High near 44. Breezy, with a west wind around 24 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tonight

Rain before 4am, then rain, possibly mixed with snow. The rain could be heavy at times. Low around 32. Windy, with a west wind around 32 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Thursday

Snow before 1pm, then rain, possibly mixed with snow. Steady temperature around 35. Breezy, with a west wind 14 to 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

Rain, possibly mixed with snow, becoming all rain after 1am. Low around 35. Northwest wind around 9 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday

Rain likely, possibly mixed with snow, mainly before 10am. Mostly cloudy, with a high near 40. West wind 9 to 11 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Friday Night

A chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.

Saturday

A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 45.

Saturday Night

Rain, mainly after 4am. Low around 35. Chance of precipitation is 80%.

Sunday

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

Sunday Night

Rain and snow. Mostly cloudy, with a low around 35.

Monday

Rain and snow. Mostly cloudy, with a high near 39.