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

6 Miles NE 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: 41 °F
Heavy Rain
and Breezy
Tonight
Low: 32 °F
Breezy. Heavy
Rain then
Rain/Snow
Thursday
High: 33 °F
Rain/Snow
then Snow
Thursday Night
Low: 32 °F
Rain/Snow
Likely
Friday
High: 38 °F
Rain/Snow
Likely then
Rain Likely
Friday Night
Low: 33 °F
Chance
Rain/Snow
Saturday
High: 41 °F
Chance Rain
Saturday Night
Low: 33 °F
Rain

Detailed Forecast

Today

Rain. The rain could be heavy at times. High near 41. Breezy, with a west wind 18 to 22 mph, with gusts as high as 34 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 32. Breezy, with a west wind around 24 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Thursday

Rain and snow, becoming all snow after 7am. The snow could be heavy at times. Steady temperature around 33. West wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Snow likely before 10pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 32. Northwest wind around 8 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday

Rain likely, possibly mixed with snow, becoming all rain after 7am. Mostly cloudy, with a high near 38. West wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday Night

A chance of rain before 10pm, then a slight chance of rain and snow between 10pm and 1am, then a slight chance of rain after 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.

Saturday

A 30 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 41.

Saturday Night

Rain, mainly after 10pm. Low around 33. Chance of precipitation is 80%.

Sunday

Rain, possibly mixed with snow. High near 35. Chance of precipitation is 80%.

Sunday Night

Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 33.

Monday

Rain, possibly mixed with snow. Mostly cloudy, with a high near 36.

Monday Night

Rain and snow. The snow could be heavy at times. Mostly cloudy, with a low around 29.