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	30.01 in (1016.26 mb)
Dewpoint	26°F (-3°C)
Visibility	0.25 mi
Last update	12 Mar 10:40 PM PDT

More Information:

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

Extended Forecast for

9 Miles ESE Snoqualmie Pass WA

Winter Storm Warning March 12, 10:53pm until March 14, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 12, 10:53pm until March 14, 05:00am
NOW until 5:00am Sat
Winter Storm Warning
Tonight
Low: 30 °F
Heavy Snow
then
Rain/Snow
Friday
High: 38 °F
Rain/Snow
Friday Night
Low: 26 °F
Rain/Snow
then Snow
Saturday
High: 35 °F
Snow then
Chance Snow
Saturday Night
Low: 21 °F
Chance Snow
then Mostly
Cloudy
Sunday
High: 39 °F
Snow Likely
then
Rain/Snow
Likely
Sunday Night
Low: 33 °F
Rain
Monday
High: 48 °F
Rain Likely

Detailed Forecast

Tonight

Snow before 2am, then snow, possibly mixed with rain. The snow could be heavy at times. Low around 30. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 10 to 14 inches possible.

Friday

Snow, possibly mixed with rain. The snow could be heavy at times. High near 38. Light west wind. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Snow, possibly mixed with rain, becoming all snow after 8pm. Low around 26. Calm wind. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Saturday

Snow, mainly before 11am. High near 35. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Saturday Night

A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 21. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph.

Sunday

Snow likely before 2pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 39. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Sunday Night

Rain. Low around 33. Chance of precipitation is 90%.

Monday

Rain likely. Mostly cloudy, with a high near 48. Chance of precipitation is 70%.

Monday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 37.

Tuesday

Rain likely, mainly after 11am. Partly sunny, with a high near 53.

Tuesday Night

Rain likely. Mostly cloudy, with a low around 40.

Wednesday

Rain. Mostly cloudy, with a high near 52.