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	W 6 MPH
Barometer	29.95 in (1014.22 mb)
Dewpoint	37°F (3°C)
Visibility	1.00 mi
Wind Chill	32°F (0°C)
Last update	07 Dec 03:25 PM PST

More Information:

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

Extended Forecast for

7 Miles ENE Snoqualmie Pass WA

This Afternoon
High: 34 °F
Rain/Snow
Tonight
Low: 31 °F
Snow and
Breezy
Monday
High: 39 °F
Rain/Snow
Monday Night
Low: 27 °F
Rain/Snow and
Windy
Tuesday
High: 34 °F
Heavy Snow
Tuesday Night
Low: 30 °F
Rain/Snow and
Breezy
Wednesday
High: 35 °F
Rain/Snow and
Breezy then
Heavy Snow
Wednesday Night
Low: 31 °F
Heavy Snow
Thursday
High: 34 °F
Snow Likely
then
Rain/Snow
Likely

Detailed Forecast

This Afternoon

Rain and snow. High near 34. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

Snow, mainly before 4am. Low around 31. Breezy, with a west wind 22 to 26 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 1pm. The rain could be heavy at times. High near 39. Southwest wind 11 to 14 mph, with gusts as high as 30 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 27. Windy, with a west wind 28 to 31 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 34. West wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Tuesday Night

Rain and snow. The rain and snow could be heavy at times. Low around 30. Breezy. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Wednesday

Rain and snow, becoming all snow after 10am. The rain and snow could be heavy at times. High near 35. Breezy. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Low around 31. Chance of precipitation is 80%.

Thursday

Snow likely before 1pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 34. Chance of precipitation is 70%.

Thursday Night

Rain and snow likely. Mostly cloudy, with a low around 33.

Friday

A chance of rain and snow. Mostly cloudy, with a high near 36.

Friday Night

A chance of rain and snow. Mostly cloudy, with a low around 32.

Saturday

Rain and snow likely. Partly sunny, with a high near 36.