Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >

Hazardous Weather Conditions

Winter Storm Warning until January 8, 04:00 PM PST

Current conditions at

Stampede Pass (KSMP)

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

unknown precip,mist

27°F

-3°C

Humidity	100%
Wind Speed	W 9 MPH
Barometer	29.6 in (1002.37 mb)
Dewpoint	27°F (-3°C)
Visibility	5.00 mi
Wind Chill	18°F (-8°C)
Last update	06 Jan 10:56 PM PST

More Information:

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

Extended Forecast for

Snoqualmie Pass WA

Winter Storm Warning January 6, 11:34pm until January 8, 04:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning January 6, 11:34pm until January 8, 04:00pm
NOW until 4:00pm Thu
Winter Storm Warning
Tonight
Low: 29 °F
Heavy Snow
Wednesday
High: 31 °F
Heavy Snow
and Patchy
Dense
Freezing Fog
Wednesday Night
Low: 26 °F
Snow and
Patchy Dense
Freezing Fog
Thursday
High: 32 °F
Snow
Thursday Night
Low: 30 °F
Rain/Snow
Likely and
Patchy Fog
Friday
High: 37 °F
Chance
Rain/Snow
then Partly
Sunny
Friday Night
Low: 29 °F
Mostly Cloudy
Saturday
High: 39 °F
Chance
Rain/Snow

Detailed Forecast

Tonight

Snow. The snow could be heavy at times. Low around 29. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 5 inches possible.

Wednesday

Snow. The snow could be heavy at times. Patchy dense freezing fog before 1pm. High near 31. Calm wind. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Wednesday Night

Snow. Patchy dense freezing fog between 7pm and 10pm. Low around 26. Calm wind. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Thursday

Snow. High near 32. Calm wind becoming west 5 to 7 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Thursday Night

Snow likely before 1am, then a chance of rain and snow. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 30. Light west wind. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Friday

A chance of rain and snow before 10am. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.

Friday Night

Mostly cloudy, with a low around 29.

Saturday

A chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.

Saturday Night

A chance of rain before 7pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.

Sunday

Rain likely, possibly mixed with snow before 10am, then a chance of rain. Mostly cloudy, with a high near 38.

Sunday Night

A chance of rain. Mostly cloudy, with a low around 33.