Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Winter Weather Advisory until January 2, 04:00 AM PST

Current conditions at

Stampede Pass (KSMP)

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

light frz rain,mist

26°F

-3°C

Humidity	100%
Wind Speed	NA 3 MPH
Barometer	29.74 in (1007.11 mb)
Dewpoint	26°F (-3°C)
Visibility	1.75 mi
Last update	01 Jan 03:47 PM PST

More Information:

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

Extended Forecast for

2 Miles ENE Snoqualmie Pass WA

Winter Weather Advisory January 1, 04:09pm until January 2, 04:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory January 1, 04:09pm until January 2, 04:00am
NOW until 4:00am Fri
Winter Weather Advisory
New Year's Day
High: 32 °F
Wintry Mix
Likely
Tonight
Low: 30 °F
Wintry Mix
Friday
High: 36 °F
Rain/Freezing
Rain then
Rain
Friday Night
Low: 32 °F
Rain then
Chance Rain
Saturday
High: 34 °F
Rain/Snow
Saturday Night
Low: 31 °F
Rain/Snow
Sunday
High: 32 °F
Snow
Sunday Night
Low: 28 °F
Snow

Detailed Forecast

New Year's Day

Rain, snow, and freezing rain likely. Mostly cloudy, with a high near 32. Southeast wind around 7 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. Total daytime snow accumulation of less than a half inch possible.

Tonight

Rain, snow, and freezing rain before 1am, then rain or freezing rain between 1am and 4am, then rain after 4am. Low around 30. Southeast wind 6 to 8 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.

Friday

Rain before 7am, then rain or freezing rain between 7am and 10am, then rain after 10am. High near 36. West wind 3 to 6 mph. Chance of precipitation is 100%. Little or no ice accumulation expected.

Friday Night

Rain, mainly before 10pm. Low around 32. East wind 7 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday

Rain before 10am, then rain, possibly mixed with snow between 10am and 1pm, then rain after 1pm. High near 34. Southeast wind 7 to 13 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Saturday Night

Rain before 7pm, then rain and snow between 7pm and 1am, then snow after 1am. Low around 31. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Sunday

Snow. High near 32. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Sunday Night

Snow. Low around 28. Chance of precipitation is 80%.

Monday

Snow likely, mainly before 10am. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.

Monday Night

A chance of snow. Mostly cloudy, with a low around 25.

Tuesday

Snow likely. Mostly cloudy, with a high near 31.

Tuesday Night

Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 27.