National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Vigorous System Impacting the Northwest; Large System To Affect East

A potent storm system is delivering heavy rainfall, strong winds, rough surf and beach erosion along the Pacific Northwest coast with mountain snow inland. Expect a couple more systems to arrive late week into the weekend. Meanwhile, another developing large scale system will deliver a heavy rain and renewed flood threat to much of the East late Wednesday through Friday, which may impact travel. Read More >

Current conditions at

ALPENTAL EXIT (TALPE)

Lat: 47.427°NLon: 121.418°WElev: 2972ft.

Mixed Prcp

35°F

2°C

Humidity 86%
Wind Speed N 2 G 13 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 18 Dec 11:22 pm PST
Extended Forecast for

4 Miles WSW Snoqualmie Pass WA

  • Tonight

    Tonight: Showers. Low around 37. West wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Showers

    Low: 37 °F

  • Wednesday

    Wednesday: Showers, mainly before 10am, then a chance of rain after 4pm. High near 40. West wind 5 to 14 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Showers then
    Chance
    Showers

    High: 40 °F

  • Wednesday
    Night

    Wednesday Night: Rain likely, mainly after 10pm. Cloudy, with a low around 37. East southeast wind 11 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Rain Likely

    Low: 37 °F

  • Thursday

    Thursday: Rain. High near 42. Southeast wind 14 to 20 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Rain

    High: 42 °F

  • Thursday
    Night

    Thursday Night: Rain before 10pm, then rain and snow between 10pm and 4am, then snow after 4am. Low around 32. West northwest wind 14 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Rain/Snow

    Low: 32 °F

  • Friday

    Friday: A chance of snow showers before 10am, then a chance of rain and snow showers. Partly sunny, with a high near 35. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Chance
    Rain/Snow

    High: 35 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 30. New snow accumulation of less than a half inch possible.

    Chance Snow

    Low: 30 °F

  • Saturday

    Saturday: A chance of snow before 10am, then a chance of rain and snow between 10am and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 36.

    Chance
    Rain/Snow

    High: 36 °F

  • Saturday
    Night

    Saturday Night: Rain likely before 10pm, then rain and snow likely. Cloudy, with a low around 33.

    Rain/Snow
    Likely

    Low: 33 °F

Detailed Forecast

Tonight
Showers. Low around 37. West wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers, mainly before 10am, then a chance of rain after 4pm. High near 40. West wind 5 to 14 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 37. East southeast wind 11 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 42. Southeast wind 14 to 20 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain before 10pm, then rain and snow between 10pm and 4am, then snow after 4am. Low around 32. West northwest wind 14 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow showers before 10am, then a chance of rain and snow showers. Partly sunny, with a high near 35. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 30. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow before 10am, then a chance of rain and snow between 10am and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 36.
Saturday Night
Rain likely before 10pm, then rain and snow likely. Cloudy, with a low around 33.
Sunday
Rain likely. Cloudy, with a high near 37.
Sunday Night
Rain likely. Cloudy, with a low around 34.
Monday
Rain likely. Cloudy, with a high near 37.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 32.
Christmas Day
A chance of rain and snow. Mostly cloudy, with a high near 36.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
4 Miles WSW Snoqualmie Pass WA
 47.4°N 121.5°W (Elev. 1854 ft)
Last Update:
5:38 pm PST Dec 18, 2018
Forecast Valid:
11pm PST Dec 18, 2018-6pm PST Dec 25, 2018
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation