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.

Mist

32°F

0°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	30.09 in (1018.96 mb)
Dewpoint	32°F (0°C)
Visibility	3.00 mi
Last update	09 Dec 11:07 AM PST

More Information:

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

Extended Forecast for

14 Miles ENE Snoqualmie Pass WA

Flood Watch December 9, 11:17am until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 11:17am until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Today
High: 33 °F
Heavy Snow
Tonight
Low: 29 °F⇑
Rain/Snow
Wednesday
High: 38 °F
Rain/Snow
Wednesday Night
Low: 32 °F
Rain/Snow
Thursday
High: 34 °F
Rain/Snow
then Snow
Thursday Night
Low: 32 °F
Snow Likely
then
Rain/Snow
Likely
Friday
High: 36 °F
Chance
Rain/Snow
Friday Night
Low: 32 °F
Chance
Rain/Snow

Detailed Forecast

Today

Snow, mainly after 1pm. The snow could be heavy at times. High near 33. Southwest wind around 7 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. West wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Wednesday

Rain before 10am, then rain, possibly mixed with snow. The rain could be heavy at times. High near 38. West wind 14 to 18 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 32. West wind 18 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Thursday

Rain and snow, becoming all snow after 10am. High near 34. West wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

Snow likely before 1am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 32. 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 36. 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 32. Chance of precipitation is 40%.

Saturday

A 40 percent chance of snow. Partly sunny, with a high near 37.

Saturday Night

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

Sunday

Snow likely. Mostly cloudy, with a high near 31.

Sunday Night

Snow. Mostly cloudy, with a low around 30.