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

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

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 CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Hazardous Weather Conditions

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

Snoqualmie Pass WA

Winter Storm Warning April 14, 03:22pm until April 15, 11:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning April 14, 03:22pm until April 15, 11:00pm

    NOW until 11:00pm Wed

    Winter Storm Warning

  • This Afternoon

    High: 37 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow before 3am, then a slight chance of snow between 3am and 4am. The snow could be heavy at times. Low around 25. Southwest wind around 6 mph becoming light and variable after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 25 °F

    Rain/Snow
    then Heavy
    Snow

  • Wednesday

    Wednesday: Snow likely, mainly between 1pm and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 34. Wind chill values between 21 and 29. West wind 3 to 7 mph. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Chance Snow
    then Snow
    Showers

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm. Low around 25. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Snow then
    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow. Partly sunny, with a high near 38. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 38 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 29. Little or no snow accumulation expected.

    Low: 29 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow, possibly mixed with rain. The snow could be heavy at times. High near 37. Southwest wind around 6 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain and snow before 3am, then a slight chance of snow between 3am and 4am. The snow could be heavy at times. Low around 25. Southwest wind around 6 mph becoming light and variable after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow likely, mainly between 1pm and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 34. Wind chill values between 21 and 29. West wind 3 to 7 mph. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow, mainly before 11pm. Low around 25. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 38. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 29. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 31.
Saturday
A slight chance of rain after 11am. Partly sunny, with a high near 52.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 37.
Sunday
Rain likely. Mostly cloudy, with a high near 51.
Sunday Night
Rain likely. Mostly cloudy, with a low around 35.
Monday
Rain likely. Mostly cloudy, with a high near 50.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 35.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.43°N 121.41°W (Elev. 3087 ft)
Last Update:
11:27 am PDT Apr 14, 2026
Forecast Valid:
3pm PDT Apr 14, 2026-6pm PDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation