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

3 Miles WSW 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: Rain and snow likely, mainly before 9pm.  Mostly cloudy, with a low around 35. West wind around 7 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain and snow.  High near 38. West southwest wind 6 to 8 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 38 °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 30. West wind around 8 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 30 °F

    Rain/Snow

  • Wednesday

    Wednesday: Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible.  High near 36. Wind chill values between 25 and 30. West wind 5 to 9 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 36 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm.  Low around 28. West wind 5 to 8 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 28 °F

    Snow then
    Chance Snow

  • Thursday

    Thursday: A 40 percent chance of snow, mainly after 11am.  Partly sunny, with a high near 38. Little or no snow accumulation expected.

    High: 38 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 2am, then a slight chance of snow.  Mostly cloudy, with a low around 32. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of snow before 2pm, then a slight chance of rain.  Mostly sunny, with a high near 43.

    High: 43 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain and snow likely, mainly before 9pm. Mostly cloudy, with a low around 35. West wind around 7 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
Rain and snow. High near 38. West southwest wind 6 to 8 mph. 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 30. West wind around 8 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 36. Wind chill values between 25 and 30. West wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow, mainly before 11pm. Low around 28. West wind 5 to 8 mph, with gusts as high as 20 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 38. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow before 2am, then a slight chance of snow. Mostly cloudy, with a low around 32. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A slight chance of snow before 2pm, then a slight chance of rain. Mostly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Partly sunny, with a high near 49.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 38.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 46.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 37.
Monday
Rain and snow likely. Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Snoqualmie Pass WA
 47.4°N 121.47°W (Elev. 3038 ft)
11:27 am PDT Apr 13, 2026
7pm PDT Apr 13, 2026-6pm PDT Apr 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

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