Storm Systems Continue to Impact the Pacific Northwest; Lake Effect Snow Continues

A second Pacific cold front will cross the Pacific Northwest Wednesday followed by another atmospheric river. Each of these features will bring additional periods of gusty winds, mountain snow, and heavy to excessive rainfall with renewed flooding. Heavy lake effect snow continues into Tuesday east of Lakes Erie and Ontario. Read More >

Hazardous Weather Conditions

Current conditions at

Stampede Pass (KSMP)

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

Overcast

38°F

3°C

Humidity	96%
Wind Speed	W 10 MPH
Barometer	29.88 in (1011.85 mb)
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Wind Chill	31°F (-1°C)
Last update	15 Dec 06:56 PM PST

More Information:

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

Extended Forecast for

6 Miles S Snoqualmie Pass WA

Flood Watch until December 17, 10:00am

Winter Weather Advisory December 16, 04:00pm until December 17, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Weather Advisory

Flood Watch until December 17, 10:00am
NOW until 10:00am Wed
Flood Watch
Tonight
Low: 32 °F
Rain/Snow
Tuesday
High: 39 °F
Rain/Snow
Tuesday Night
Low: 27 °F
Heavy Rain
then
Rain/Snow and
Patchy
Blowing Snow
Wednesday
High: 30 °F
Heavy Snow
and Patchy
Blowing Snow
Wednesday Night
Low: 27 °F
Snow
Thursday
High: 32 °F
Heavy Snow
then
Rain/Snow
Thursday Night
Low: 26 °F
Rain/Snow
then Heavy
Snow
Friday
High: 28 °F
Snow

Detailed Forecast

Tonight

Rain and snow. Low around 32. West wind 6 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.

Tuesday

Rain, possibly mixed with snow, becoming all rain after 1pm. High near 39. South wind 5 to 7 mph becoming west in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Tuesday Night

Rain before 1am, then rain and snow. The rain and snow could be heavy at times. Patchy blowing snow after 4am. Low around 27. West wind 13 to 18 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Wednesday

Snow. The snow could be heavy at times. Patchy blowing snow before 10am. High near 30. West wind 16 to 21 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Wednesday Night

Snow. Low around 27. West wind 5 to 7 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Thursday

Snow before 4pm, then rain, possibly mixed with snow. The snow could be heavy at times. High near 32. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Thursday Night

Rain and snow, becoming all snow after 10pm. The snow could be heavy at times. Low around 26. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Friday

Snow. High near 28. Chance of precipitation is 90%.

Friday Night

Snow. Low around 24. Chance of precipitation is 80%.

Saturday

Snow. Mostly cloudy, with a high near 27.

Saturday Night

Snow. Mostly cloudy, with a low around 24.

Sunday

Snow likely. Mostly cloudy, with a high near 29.

Sunday Night

Snow likely. Mostly cloudy, with a low around 23.