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

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
  • Overnight

    Overnight: A chance of rain and snow, mainly after 2am.  Mostly cloudy, with a low around 33. Light west wind.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow.  High near 37. Calm wind becoming west southwest around 6 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 11pm. The snow could be heavy at times.  Low around 28. West southwest wind around 5 mph becoming calm  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 28 °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 34. Calm wind becoming west around 6 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 Showers

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm.  Low around 27. West wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Snow then
    Chance Snow

  • Thursday

    Thursday: A 30 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 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 42.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of rain and snow, mainly after 2am. Mostly cloudy, with a low around 33. Light west wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday
Rain and snow. High near 37. Calm wind becoming west southwest around 6 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain and snow, becoming all snow after 11pm. The snow could be heavy at times. Low around 28. West southwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Wednesday
A chance of snow before 11am, then snow showers after 11am. Some thunder is also possible. High near 34. Calm wind becoming west around 6 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 27. West wind around 6 mph becoming calm in the evening. 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 38. Little or no snow accumulation expected.
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 42.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 50.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 38.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 49.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 36.
Monday
Rain and snow likely. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.41°N 121.44°W (Elev. 3097 ft)
11:27 pm PDT Apr 13, 2026
1am PDT Apr 14, 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