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

33°F

1°C

Humidity 86%
Wind Speed N 1 G 14 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 19 Dec 12:12 am PST
Extended Forecast for

2 Miles NNW Snoqualmie Pass WA

  • Overnight

    Overnight: Snow showers.  Low around 33. Wind chill values between 22 and 27. West wind 14 to 17 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. Total nighttime snow accumulation of 5 to 9 inches possible.

    Snow Showers

    Low: 33 °F

  • Wednesday

    Wednesday: Snow showers, mainly before 10am, then a chance of snow after 4pm.  High near 35. Wind chill values between 23 and 29. West southwest wind 8 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Snow Showers
    then Chance
    Snow Showers

    High: 35 °F

  • Wednesday
    Night

    Wednesday Night: A chance of snow before 10pm, then rain and snow likely between 10pm and 4am, then rain after 4am.  Low around 32. Wind chill values between 23 and 28. East southeast wind 15 to 17 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Rain/Snow

    Low: 32 °F

  • Thursday

    Thursday: Rain before 10am, then snow.  High near 37. Wind chill values between 22 and 27. 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 snow accumulation of 2 to 4 inches possible.

    Rain/Snow
    then Snow

    High: 37 °F

  • Thursday
    Night

    Thursday Night: Snow.  Low around 27. West northwest wind 15 to 17 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Snow

    Low: 27 °F

  • Friday

    Friday: A 40 percent chance of snow showers.  Partly sunny, with a high near 31. New snow accumulation of less than a half inch possible.

    Chance Snow
    Showers

    High: 31 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of snow.  Mostly cloudy, with a low around 26. New snow accumulation of less than a half inch possible.

    Chance Snow

    Low: 26 °F

  • Saturday

    Saturday: A chance of snow.  Mostly cloudy, with a high near 31.

    Chance Snow

    High: 31 °F

  • Saturday
    Night

    Saturday Night: Snow likely.  Cloudy, with a low around 28.

    Snow Likely

    Low: 28 °F

Detailed Forecast

Overnight
Snow showers. Low around 33. Wind chill values between 22 and 27. West wind 14 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 5 to 9 inches possible.
Wednesday
Snow showers, mainly before 10am, then a chance of snow after 4pm. High near 35. Wind chill values between 23 and 29. West southwest wind 8 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
A chance of snow before 10pm, then rain and snow likely between 10pm and 4am, then rain after 4am. Low around 32. Wind chill values between 23 and 28. East southeast wind 15 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday
Rain before 10am, then snow. High near 37. Wind chill values between 22 and 27. 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 snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow. Low around 27. West northwest wind 15 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
A 40 percent chance of snow showers. Partly sunny, with a high near 31. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 26. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow. Mostly cloudy, with a high near 31.
Saturday Night
Snow likely. Cloudy, with a low around 28.
Sunday
Snow likely. Cloudy, with a high near 32.
Sunday Night
Snow likely. Cloudy, with a low around 30.
Monday
Snow likely. Cloudy, with a high near 32.
Monday Night
A chance of snow. Mostly cloudy, with a low around 28.
Christmas Day
A chance of snow. Mostly cloudy, with a high near 31.
Click Map For Forecast
Point Forecast:
2 Miles NNW Snoqualmie Pass WA
 47.45°N 121.42°W (Elev. 4862 ft)
5:38 pm PST Dec 18, 2018
12am PST Dec 19, 2018-6pm PST Dec 24, 2018
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database