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Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather 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 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 >

Hazardous Weather Conditions

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

12 Miles WNW Newhalem 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 29. Wind chill values between 15 and 20. South southwest wind 11 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 14 to 20 inches possible.

    High: 29 °F

    Heavy Snow

  • Tonight

    Tonight: Snow before 2am, then a chance of snow after 3am. The snow could be heavy at times. Low around 17. Wind chill values between 9 and 14. West southwest wind 13 to 18 mph decreasing to 7 to 12 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: 17 °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 26. Wind chill values between 11 and 16. West southwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 26 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 19. Wind chill values between 12 and 17. West wind 5 to 10 mph becoming light in the evening. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 30. Light west wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Little or no snow accumulation expected.

    High: 30 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after 11am. Mostly sunny, with a high near 35.

    High: 35 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

Today
Snow. The snow could be heavy at times. High near 29. Wind chill values between 15 and 20. South southwest wind 11 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 14 to 20 inches possible.
Tonight
Snow before 2am, then a chance of snow after 3am. The snow could be heavy at times. Low around 17. Wind chill values between 9 and 14. West southwest wind 13 to 18 mph decreasing to 7 to 12 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
A chance of snow before 11am, then snow showers after 11am. Some thunder is also possible. High near 26. Wind chill values between 11 and 16. West southwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 19. Wind chill values between 12 and 17. West wind 5 to 10 mph becoming light in the evening. 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 30. Light west wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 22.
Friday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 41.
Saturday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 32.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 40.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 31.
Monday
Snow likely. Mostly cloudy, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WNW Newhalem WA
 48.72°N 121.48°W (Elev. 5932 ft)
Last Update:
11:27 pm PDT Apr 13, 2026
Forecast Valid:
7am PDT Apr 14, 2026-6pm PDT Apr 20, 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