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.

unknown precip,mist

32°F

0°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	29.9 in (1012.53 mb)
Dewpoint	32°F (0°C)
Visibility	0.75 mi
Last update	07 Dec 11:56 AM PST

More Information:

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

Extended Forecast for

7 Miles NNW Roslyn WA

This Afternoon
High: 42 °F
Rain/Snow
Tonight
Low: 37 °F
Rain/Snow
Monday
High: 46 °F
Heavy Rain
Monday Night
Low: 34 °F
Heavy Rain
then
Rain/Snow
Tuesday
High: 39 °F
Rain/Snow
Tuesday Night
Low: 35 °F
Rain/Snow
then Rain
Wednesday
High: 44 °F
Rain
Wednesday Night
Low: 37 °F
Rain/Snow
Thursday
High: 42 °F
Rain/Snow
Likely

Detailed Forecast

This Afternoon

Rain, possibly mixed with snow, becoming all rain after 1pm. High near 42. South wind 5 to 8 mph becoming west. Winds could gust as high as 23 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Tonight

Rain and snow, mainly before 4am. Low around 37. West wind 7 to 11 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Monday

Rain, mainly after 7am. The rain could be heavy at times. High near 46. Southwest wind 5 to 7 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Monday Night

Rain before 1am, then rain, possibly mixed with snow. The rain could be heavy at times. Low around 34. West wind around 14 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Tuesday

Rain and snow before 1pm, then rain between 1pm and 4pm, then rain, possibly mixed with snow after 4pm. High near 39. West wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Tuesday Night

Rain, possibly mixed with snow, becoming all rain after 10pm. Low around 35. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday

Rain. High near 44. Chance of precipitation is 100%.

Wednesday Night

Rain, possibly mixed with snow. Low around 37. Chance of precipitation is 80%.

Thursday

Rain likely, possibly mixed with snow, becoming all rain after 1pm. Partly sunny, with a high near 42. Chance of precipitation is 70%.

Thursday Night

Rain likely before 7pm, then rain likely, possibly mixed with snow between 7pm and 1am, then rain likely after 1am. Mostly cloudy, with a low around 38.

Friday

A chance of rain. Mostly cloudy, with a high near 45.

Friday Night

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

Saturday

Rain likely. Partly sunny, with a high near 45.