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

36°F

2°C

Humidity	100%
Wind Speed	W 8 MPH
Barometer	30.03 in (1016.93 mb)
Dewpoint	36°F (2°C)
Visibility	5.00 mi
Wind Chill	30°F (-1°C)
Last update	07 Dec 07:39 PM PST

More Information:

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

Extended Forecast for

11 Miles E Snoqualmie Pass WA

Tonight
Low: 37 °F
Rain/Snow
Monday
High: 48 °F
Rain/Snow
then Heavy
Rain
Monday Night
Low: 34 °F
Rain/Snow
Tuesday
High: 42 °F
Rain/Snow
then Rain
Tuesday Night
Low: 36 °F
Heavy Rain
Wednesday
High: 46 °F
Heavy Rain
Wednesday Night
Low: 37 °F
Rain
Thursday
High: 45 °F
Rain Likely
Thursday Night
Low: 39 °F
Rain Likely

Detailed Forecast

Tonight

Rain, possibly mixed with snow, mainly between 10pm and 4am. Low around 37. West wind 7 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Monday

A chance of rain and snow before 7am, then rain. The rain could be heavy at times. High near 48. Southwest wind 5 to 8 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Monday Night

Rain before 10pm, then rain and snow. The rain could be heavy at times. Low around 34. West wind around 14 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Tuesday

Rain, possibly mixed with snow, becoming all rain after 10am. High near 42. West wind 5 to 8 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Tuesday Night

Rain. The rain could be heavy at times. Low around 36. South wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday

Rain. The rain could be heavy at times. High near 46. Chance of precipitation is 100%.

Wednesday Night

Rain. Low around 37. Chance of precipitation is 80%.

Thursday

Rain likely. Mostly cloudy, with a high near 45. Chance of precipitation is 70%.

Thursday Night

Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.

Friday

A chance of rain. Mostly cloudy, with a high near 48.

Friday Night

A chance of rain. Mostly cloudy, with a low around 38.