Storm Tracking Across the Plains; Powerful Pacific System is Approaching

Some heavy rain and possible flash flooding may affect the Central Plains through Thursday. Meanwhile, wintry weather conditions will spread through portions of Central and Northern Plains. A powerful storm system is forecast to approach the Pacific Northwest, then spreading inland and down through California through the end of this week. A series of storms will impact Alaska into the weekend. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from December 7, 10:00 PM PST until December 8, 10:00 AM PST

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Current conditions at

ALPENTAL EXIT (TALPE)

Lat: 47.427°NLon: 121.418°WElev: 2972ft.

light snow

23°F

-5°C

Humidity	95%
Wind Speed	NNE 4 MPH
Barometer	NA
Dewpoint	21°F (-6°C)
Visibility	1.24 mi
Wind Chill	18°F (-8°C)
Last update	07 Dec 07:52 PM PST

More Information:

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

Extended Forecast for

5 Miles NW Snoqualmie Pass WA

Winter Weather Advisory December 7, 10:00pm until December 8, 10:00am

Click here for hazard details and duration

Winter Weather Advisory

Tonight

Mostly Cloudy
then Heavy
Snow
Low: 24 °F
Thursday

Heavy Snow
High: 25 °F
Thursday
Night

Snow
Low: 22 °F
Friday

Snow Likely
High: 26 °F
Friday
Night

Snow and
Breezy
Low: 23 °F
Saturday

Snow
High: 26 °F
Saturday
Night

Snow Likely
then Chance
Snow
Low: 22 °F
Sunday

Chance Snow
High: 28 °F
Sunday
Night

Mostly Cloudy
Low: 21 °F

Detailed Forecast

Tonight

Snow, mainly after midnight. The snow could be heavy at times. Steady temperature around 24. Wind chill values between 10 and 15. Southeast wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.

Thursday

Snow, mainly after 4pm. The snow could be heavy at times. High near 25. Wind chill values between 9 and 17. South southeast wind 6 to 11 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

Thursday Night

Snow, mainly before 4am. Low around 22. Wind chill values between 12 and 17. South southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Friday

Snow likely, mainly after 4pm. Mostly cloudy, with a high near 26. Wind chill values between 12 and 17. Southeast wind 6 to 10 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

Friday Night

Snow. Low around 23. Breezy, with a southeast wind around 23 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday

Snow. High near 26. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 22. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Sunday

A chance of snow, mainly before 10am. Mostly cloudy, with a high near 28.

Sunday Night

Mostly cloudy, with a low around 21.

Monday

Partly sunny, with a high near 26.

Monday Night

Mostly cloudy, with a low around 19.

Tuesday

A slight chance of snow. Partly sunny, with a high near 25.

Tuesday Night

A slight chance of snow. Mostly cloudy, with a low around 18.