Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

ALPENTAL EXIT (TALPE)

Lat: 47.427°NLon: 121.418°WElev: 2972.0ft.

NA

N/A

Humidity 74%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint N/A
Visibility 1.24 mi
Last update 03 Apr 11:01 AM PDT
Extended Forecast for

6 Miles W Snoqualmie Pass WA

Winter Storm Warning April 14, 11:00am until April 15, 11:00pm
Click here for hazard details and duration
Winter Storm Warning
  • Tonight

    Tonight: Snow likely, mainly between 4am and 5am.  Mostly cloudy, with a low around 32. Wind chill values between 24 and 29. West wind around 10 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 32 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow, mainly after 9am.  High near 34. Wind chill values between 22 and 27. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 34 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow, mainly before 2am. The snow could be heavy at times.  Low around 26. Wind chill values between 19 and 24. Southwest wind 9 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    Low: 26 °F

    Heavy Snow

  • Wednesday

    Wednesday: A chance of snow before 11am, then snow showers after 11am. Some thunder is also possible.  High near 32. Wind chill values between 17 and 22. West wind 8 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm.  Low around 26. West wind 7 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Snow then
    Chance Snow

  • Thursday

    Thursday: A 40 percent chance of snow, mainly after 11am.  Partly sunny, with a high near 36. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 29. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly between 4am and 5am. Mostly cloudy, with a low around 32. Wind chill values between 24 and 29. West wind around 10 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Snow, mainly after 9am. High near 34. Wind chill values between 22 and 27. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Tuesday Night
Snow, mainly before 2am. The snow could be heavy at times. Low around 26. Wind chill values between 19 and 24. Southwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Wednesday
A chance of snow before 11am, then snow showers after 11am. Some thunder is also possible. High near 32. Wind chill values between 17 and 22. West wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow, mainly before 11pm. Low around 26. West wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday
A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 36. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 29. New snow accumulation of less than a half inch possible.
Friday
Partly sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Partly sunny, with a high near 49.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 37.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 46.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 35.
Monday
Rain and snow likely. Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Snoqualmie Pass WA
 47.42°N 121.53°W (Elev. 4760 ft)
11:27 pm PDT Apr 13, 2026
11pm PDT Apr 13, 2026-6pm PDT Apr 20, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database