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

MARTEN RIDGE (MRTW1)

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

NA

35°F

2°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
  • Overnight

    Overnight: Snow likely, mainly before 5am.  Mostly cloudy, with a low around 32. Southwest wind around 7 mph.  Chance of precipitation is 70%. Total nighttime snow accumulation of around an inch possible.

    Low: 32 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow. The snow could be heavy at times.  High near 34. Wind chill values between 24 and 29. South southwest wind 8 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 34 °F

    Heavy Snow

  • Tuesday Night

    Tuesday Night: 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. 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

Detailed Forecast

Overnight
Snow likely, mainly before 5am. Mostly cloudy, with a low around 32. Southwest wind around 7 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of around an inch possible.
Tuesday
Snow. The snow could be heavy at times. High near 34. Wind chill values between 24 and 29. South southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Tuesday Night
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. 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. 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.
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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
12am 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