Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

MARTEN RIDGE (MRTW1)

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

NA

37°F

3°C

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

6 Miles NNW Newhalem WA

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

    Today: Snow likely, mainly before 2pm.  Mostly cloudy, with a high near 31. Wind chill values between 17 and 22. West southwest wind 13 to 17 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Snow Likely

  • Tonight

    Tonight: Snow.  Low around 25. Wind chill values between 12 and 17. West southwest wind around 16 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Snow

  • Tuesday

    Tuesday: Snow. The snow could be heavy at times.  High near 26. Wind chill values between 8 and 13. Breezy, with a south southwest wind 16 to 25 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    High: 26 °F

    Heavy Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times.  Low around 18. Wind chill values between 3 and 9. Breezy, with a southwest wind 23 to 28 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 32 mph.  Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    Low: 18 °F

    Breezy. Heavy
    Snow then
    Snow Likely

  • Wednesday

    Wednesday: Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible.  High near 25. West southwest wind 11 to 17 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 25 °F

    Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 16. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after 11am.  Partly sunny, with a high near 29. Little or no snow accumulation expected.

    High: 29 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of snow.  Partly sunny, with a high near 31.

    High: 31 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Snow likely, mainly before 2pm. Mostly cloudy, with a high near 31. Wind chill values between 17 and 22. West southwest wind 13 to 17 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow. Low around 25. Wind chill values between 12 and 17. West southwest wind around 16 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Snow. The snow could be heavy at times. High near 26. Wind chill values between 8 and 13. Breezy, with a south southwest wind 16 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 18. Wind chill values between 3 and 9. Breezy, with a southwest wind 23 to 28 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Wednesday
Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 25. West southwest wind 11 to 17 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 16. New snow accumulation of less than a half inch possible.
Thursday
A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 29. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 19.
Friday
A slight chance of snow. Partly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 23.
Saturday
A slight chance of snow. Partly sunny, with a high near 36.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 28.
Sunday
Snow likely. Mostly cloudy, with a high near 36.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Newhalem WA
 48.77°N 121.3°W (Elev. 6893 ft)
11:27 pm PDT Apr 12, 2026
9am PDT Apr 13, 2026-6pm PDT Apr 19, 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