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

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. 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, 11:00am until April 15, 11:00pm
Click here for hazard details and duration
Winter Storm Warning

  • This Afternoon

    This Afternoon: Rain likely, possibly mixed with snow, mainly after 4pm. Mostly cloudy, with a high near 38. West wind around 6 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow
    Likely

  • Tonight

    Tonight: Rain and snow likely before 5am, then a chance of snow. Mostly cloudy, with a low around 33. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain and snow. High near 37. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 37 °F

    Rain/Snow
    Likely then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Snow, possibly mixed with rain, becoming all snow after 2am. The snow could be heavy at times. Low around 28. Southwest wind 3 to 5 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Rain/Snow

  • Wednesday

    Wednesday: Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 34. Calm wind becoming west 5 to 7 mph in the afternoon. 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

    Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm. Low around 26. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Snow then
    Chance Snow

  • Thursday

    Thursday: A chance of snow before 5pm, then a chance of rain and snow. Partly sunny, with a high near 38. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Friday

    Friday: A slight chance of snow before 2pm, then a slight chance of rain and snow. Mostly sunny, with a high near 42.

    High: 42 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Rain likely, possibly mixed with snow, mainly after 4pm. Mostly cloudy, with a high near 38. West wind around 6 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tonight
Rain and snow likely before 5am, then a chance of snow. Mostly cloudy, with a low around 33. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
Rain and snow. High near 37. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Snow, possibly mixed with rain, becoming all snow after 2am. The snow could be heavy at times. Low around 28. Southwest wind 3 to 5 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Wednesday
Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 34. Calm wind becoming west 5 to 7 mph in the afternoon. 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 26. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday
A chance of snow before 5pm, then a chance of rain and snow. Partly sunny, with a high near 38. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 29.
Friday
A slight chance of snow before 2pm, then a slight chance of rain and snow. Mostly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 49.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.41°N 121.44°W (Elev. 3097 ft)
Last Update:
11:27 am PDT Apr 13, 2026
Forecast Valid:
12pm PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation