Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Hazardous Weather Conditions

Current conditions at

Stampede Pass (KSMP)

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

snow,freezing fog

26°F

-3°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	30.02 in (1016.59 mb)
Dewpoint	26°F (-3°C)
Visibility	0.50 mi
Last update	12 Mar 08:56 PM PDT

More Information:

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

Extended Forecast for

8 Miles S Snoqualmie Pass WA

Winter Storm Warning March 12, 09:38pm until March 14, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 12, 09:38pm until March 14, 05:00am
NOW until 5:00am Sat
Winter Storm Warning
Tonight
Low: 29 °F
Heavy Snow
Friday
High: 32 °F
Heavy Snow
Friday Night
Low: 25 °F
Snow
Saturday
High: 29 °F
Snow
Saturday Night
Low: 21 °F
Chance Snow
then Mostly
Cloudy
Sunday
High: 34 °F
Snow
Sunday Night
Low: 32 °F
Rain/Snow
Monday
High: 43 °F
Rain

Detailed Forecast

Tonight

Snow. The snow could be heavy at times. Low around 29. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 11 to 17 inches possible.

Friday

Snow. The snow could be heavy at times. High near 32. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

Friday Night

Snow. Low around 25. Light west wind. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Saturday

Snow. High near 29. West wind 6 to 9 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Saturday Night

A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 21. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 25 mph.

Sunday

Snow, mainly after 11am. High near 34. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Sunday Night

Rain, possibly mixed with snow, becoming all rain after 2am. Low around 32. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Monday

Rain. High near 43. Chance of precipitation is 80%.

Monday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 35.

Tuesday

Rain likely, mainly after 11am. Mostly cloudy, with a high near 47.

Tuesday Night

Rain likely. Mostly cloudy, with a low around 38.

Wednesday

Rain. Mostly cloudy, with a high near 46.

Wednesday Night

Rain. Mostly cloudy, with a low around 37.