Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

Stampede Pass (KSMP)

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

snow,freezing fog

31°F

-1°C

Humidity	100%
Wind Speed	NA 6 MPH
Barometer	30.03 in (1016.93 mb)
Dewpoint	31°F (-1°C)
Visibility	0.50 mi
Wind Chill	25°F (-4°C)
Last update	09 Dec 05:56 AM PST

More Information:

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

Extended Forecast for

17 Miles ENE Snoqualmie Pass WA

Flood Watch until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Today
High: 33 °F
Chance Snow
then Heavy
Snow
Tonight
Low: 31 °F⇑
Rain/Snow
Wednesday
High: 40 °F
Rain/Snow
Wednesday Night
Low: 33 °F
Rain/Snow
Thursday
High: 37 °F
Rain/Snow
then Snow
Thursday Night
Low: 34 °F
Snow Likely
then
Rain/Snow
Likely
Friday
High: 38 °F
Chance
Rain/Snow
Friday Night
Low: 31 °F
Chance
Rain/Snow

Detailed Forecast

Today

A chance of snow before 7am, then snow after 10am. The snow could be heavy at times. High near 33. Southwest wind 15 to 20 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 2 inches possible.

Tonight

Rain, possibly mixed with snow, becoming all rain after 1am. The rain and snow could be heavy at times. Temperature rising to around 38 by 5am. South wind 9 to 14 mph becoming west 16 to 21 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Wednesday

Rain before 10am, then rain, possibly mixed with snow. The rain could be heavy at times. High near 40. West wind 15 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday Night

Rain and snow. Low around 33. West wind 18 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Thursday

Rain and snow, becoming all snow after 10am. High near 37. West wind 13 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

Snow likely before 1am, then rain and snow likely. Mostly cloudy, with a low around 34. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday

A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%. Little or no snow accumulation expected.

Friday Night

A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.

Saturday

A 40 percent chance of snow. Partly sunny, with a high near 38.

Saturday Night

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

Sunday

Snow likely. Mostly cloudy, with a high near 33.

Sunday Night

Snow likely. Mostly cloudy, with a low around 30.