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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 >

Hazardous Weather Conditions

Current conditions at

MARTEN RIDGE (MRTW1)

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

NA

40°F

4°C

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

6 Miles WNW Newhalem WA

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

  • Overnight

    Overnight: Rain and snow. Low around 34. West southwest wind around 8 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow

  • Monday

    Monday: Rain and snow likely, mainly before 2pm. Mostly cloudy, with a high near 37. West southwest wind 8 to 13 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 37 °F

    Rain/Snow
    Likely

  • Monday Night

    Monday Night: Snow, possibly mixed with rain. Low around 29. Wind chill values between 20 and 25. West southwest wind around 11 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 29 °F

    Rain/Snow

  • Tuesday

    Tuesday: Snow before 11am, then rain and snow. The snow could be heavy at times. High near 31. Wind chill values between 17 and 22. South southwest wind 11 to 20 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 31 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Snow, possibly mixed with rain, becoming all snow after 11pm. The snow could be heavy at times. Low around 22. Southwest wind 11 to 21 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 22 °F

    Rain/Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 30. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 30 °F

    Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 20. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow, mainly after 11am. Partly sunny, with a high near 34.

    High: 34 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain and snow. Low around 34. West southwest wind around 8 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday
Rain and snow likely, mainly before 2pm. Mostly cloudy, with a high near 37. West southwest wind 8 to 13 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday Night
Snow, possibly mixed with rain. Low around 29. Wind chill values between 20 and 25. West southwest wind around 11 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Snow before 11am, then rain and snow. The snow could be heavy at times. High near 31. Wind chill values between 17 and 22. South southwest wind 11 to 20 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Tuesday Night
Snow, possibly mixed with rain, becoming all snow after 11pm. The snow could be heavy at times. Low around 22. Southwest wind 11 to 21 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Wednesday
Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 30. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 20. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow, mainly after 11am. Partly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 23.
Friday
A slight chance of snow. Partly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 27.
Saturday
A slight chance of snow. Partly sunny, with a high near 43.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 33.
Sunday
Snow likely. Mostly cloudy, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Newhalem WA
 48.72°N 121.35°W (Elev. 2887 ft)
Last Update:
11:27 pm PDT Apr 12, 2026
Forecast Valid:
5am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation