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 SW 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 after 4am.  Mostly cloudy, with a low around 36. West wind 3 to 5 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain and snow.  High near 38. West southwest wind 5 to 8 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 11pm. The snow could be heavy at times.  Low around 30. West wind 3 to 7 mph. Winds could gust as high as 23 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Rain/Snow
    then Heavy
    Snow

  • Wednesday

    Wednesday: A chance of snow before 11am, then snow showers after 11am. Some thunder is also possible.  High near 35. Wind chill values between 25 and 30. West wind 3 to 8 mph. Winds could gust as high as 23 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm.  Low around 29. West wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 22 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 29 °F

    Snow then
    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after 11am.  Partly sunny, with a high near 40. Little or no snow accumulation expected.

    High: 40 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 11pm.  Mostly cloudy, with a low around 32. Little or no snow accumulation expected.

    Low: 32 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Friday Night

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

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain and snow likely, mainly after 4am. Mostly cloudy, with a low around 36. West wind 3 to 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
Rain and snow. High near 38. West southwest wind 5 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain and snow, becoming all snow after 11pm. The snow could be heavy at times. Low around 30. West wind 3 to 7 mph. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday
A chance of snow before 11am, then snow showers after 11am. Some thunder is also possible. High near 35. Wind chill values between 25 and 30. West wind 3 to 8 mph. Winds could gust 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 29. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday
A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 40. Little or no snow accumulation expected.
Thursday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 32. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Partly sunny, with a high near 52.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 41.
Sunday
Rain likely. Mostly cloudy, with a high near 50.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 38.
Monday
Rain and snow likely. Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Snoqualmie Pass WA
 47.37°N 121.52°W (Elev. 2963 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