Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

MARTEN RIDGE (MRTW1)

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

NA

46°F

8°C

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

6 Miles N Marblemount WA

  • Overnight

    Overnight: Partly cloudy, with a low around 33. Wind chill values between 25 and 30. North northwest wind 13 to 15 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 39. Wind chill values between 22 and 30. North northeast wind 14 to 18 mph.

    High: 39 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 32. Wind chill values between 21 and 26. North wind 15 to 17 mph.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 39. Wind chill values between 22 and 32. North northeast wind 7 to 14 mph.

    High: 39 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. East wind around 11 mph.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 33. Wind chill values between 25 and 30. North northwest wind 13 to 15 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 39. Wind chill values between 22 and 30. North northeast wind 14 to 18 mph.
Tuesday Night
Mostly clear, with a low around 32. Wind chill values between 21 and 26. North wind 15 to 17 mph.
Wednesday
Sunny, with a high near 39. Wind chill values between 22 and 32. North northeast wind 7 to 14 mph.
Wednesday Night
Partly cloudy, with a low around 27. East wind around 11 mph.
Thursday
Mostly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Sunny, with a high near 35.
Friday Night
Mostly clear, with a low around 23.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
Snow likely. Partly cloudy, with a low around 26.
Sunday
Snow likely. Partly sunny, with a high near 34.
Sunday Night
Snow likely. Mostly cloudy, with a low around 30.
Monday
A chance of snow. Mostly cloudy, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Marblemount WA
 48.62°N 121.48°W (Elev. 3999 ft)
1:25 am PST Jan 20, 2026
2am PST Jan 20, 2026-6pm PST Jan 26, 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