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 >

Current conditions at

MARTEN RIDGE (MRTW1)

Lat: 48.76292°NLon: 121.69823°WElev: 3520.0ft.

NA

34°F

1°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

10 Miles E Marblemount WA

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

    Today: Snow. The snow could be heavy at times.  High near 34. Wind chill values between 24 and 29. South southwest wind around 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of 5 to 9 inches possible.

    High: 34 °F

    Heavy Snow

  • Tonight

    Tonight: Snow, mainly before midnight. The snow could be heavy at times.  Low around 23. South southwest wind 5 to 10 mph becoming west in the evening. Winds could gust as high as 20 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 23 °F

    Heavy Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before 11am, then snow showers after 11am. Some thunder is also possible.  High near 31. Wind chill values between 20 and 25. West wind 3 to 8 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 25. West wind 5 to 7 mph becoming calm  in the evening.  New snow accumulation of less than one inch possible.

    Low: 25 °F

    Chance Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow.  Mostly cloudy, with a high near 35. Calm wind becoming west 5 to 9 mph in the afternoon.  Little or no snow accumulation expected.

    High: 35 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Friday Night

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

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

Today
Snow. The snow could be heavy at times. High near 34. Wind chill values between 24 and 29. South southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 5 to 9 inches possible.
Tonight
Snow, mainly before midnight. The snow could be heavy at times. Low around 23. South southwest wind 5 to 10 mph becoming west in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Wednesday
A chance of snow before 11am, then snow showers after 11am. Some thunder is also possible. High near 31. Wind chill values between 20 and 25. West wind 3 to 8 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 25. West wind 5 to 7 mph becoming calm in the evening. New snow accumulation of less than one inch possible.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 35. Calm wind becoming west 5 to 9 mph in the afternoon. Little or no snow accumulation expected.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Mostly sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 47.
Saturday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 37.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 45.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 36.
Monday
Rain and snow likely. Mostly cloudy, with a high near 44.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Marblemount WA
 48.52°N 121.22°W (Elev. 4341 ft)
11:27 pm PDT Apr 13, 2026
9am PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database