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.

light rain,mist

37°F

3°C

Humidity	100%
Wind Speed	WSW 8 MPH
Barometer	29.95 in (1014.22 mb)
Dewpoint	37°F (3°C)
Visibility	1.00 mi
Wind Chill	31°F (-1°C)
Last update	07 Dec 03:38 PM PST

More Information:

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

Extended Forecast for

3 Miles E Snoqualmie Pass WA

This Afternoon
High: 36 °F
Rain/Snow
Tonight
Low: 32 °F
Snow and
Breezy
Monday
High: 41 °F
Rain/Snow
Monday Night
Low: 30 °F
Rain/Snow and
Breezy
Tuesday
High: 36 °F
Heavy Snow
Tuesday Night
Low: 32 °F
Rain/Snow
Wednesday
High: 37 °F
Rain/Snow and
Breezy
Wednesday Night
Low: 33 °F
Rain/Snow
Thursday
High: 37 °F
Rain/Snow
Likely

Detailed Forecast

This Afternoon

Rain and snow. High near 36. West wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow, mainly before 4am. Low around 32. Breezy, with a west wind 18 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Monday

Rain, possibly mixed with snow, becoming all rain after 1pm. The rain could be heavy at times. High near 41. Southwest wind 11 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Monday Night

Rain before 10pm, then rain, possibly mixed with snow between 10pm and 1am, then snow after 1am. The rain and snow could be heavy at times. Low around 30. Breezy, with a west wind 26 to 29 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Tuesday

Snow. The snow could be heavy at times. High near 36. West wind 7 to 17 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Tuesday Night

Snow before 10pm, then rain and snow. The rain and snow could be heavy at times. Low around 32. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Wednesday

Rain and snow. The rain and snow could be heavy at times. High near 37. Breezy. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Wednesday Night

Rain and snow. The rain and snow could be heavy at times. Low around 33. Chance of precipitation is 80%.

Thursday

Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 37. Chance of precipitation is 70%.

Thursday Night

Rain and snow likely. Mostly cloudy, with a low around 35.

Friday

Rain and snow likely. Mostly cloudy, with a high near 39.

Friday Night

A chance of rain. Mostly cloudy, with a low around 34.

Saturday

Rain and snow likely. Mostly cloudy, with a high near 38.