Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

Stampede Pass (KSMP)

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

unknown precip,fog

32°F

0°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	29.9 in (1012.53 mb)
Dewpoint	32°F (0°C)
Visibility	0.25 mi
Last update	07 Dec 10:18 AM PST

More Information:

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

Extended Forecast for

14 Miles NE Snoqualmie Pass WA

Today
High: 32 °F
Rain/Snow
Tonight
Low: 30 °F
Snow and
Breezy
Monday
High: 37 °F
Rain/Snow
Monday Night
Low: 27 °F
Rain/Snow and
Breezy
Tuesday
High: 31 °F
Snow
Tuesday Night
Low: 29 °F
Heavy Snow
Wednesday
High: 33 °F
Heavy Snow
Wednesday Night
Low: 27 °F
Snow Likely
Thursday
High: 31 °F
Snow Likely

Detailed Forecast

Today

Rain and snow. High near 32. West wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

Snow. Low around 30. Breezy, with a west wind 20 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Monday

Rain, possibly mixed with snow, becoming all rain after 4pm. The rain and snow could be heavy at times. High near 37. Southwest wind 10 to 13 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Monday Night

Rain before 7pm, then rain, possibly mixed with snow between 7pm and 1am, then snow after 1am. The rain could be heavy at times. Low around 27. Breezy, with a west wind 21 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Tuesday

Snow. High near 31. West wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Tuesday Night

Snow. The snow could be heavy at times. Low around 29. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Wednesday

Snow. The snow could be heavy at times. High near 33. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Wednesday Night

Snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.

Thursday

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

Thursday Night

Snow likely. Mostly cloudy, with a low around 29.

Friday

Rain and snow likely. Mostly cloudy, with a high near 34.