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

10 Miles E Marblemount WA

  • Overnight

    Overnight: Partly cloudy, with a low around 37. North northwest wind around 6 mph.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 43. East wind 5 to 9 mph.

    High: 43 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35. East wind 5 to 7 mph.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 42. East wind 5 to 8 mph becoming calm  in the afternoon.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. East southeast wind 3 to 5 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. North northwest wind around 6 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 43. East wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 35. East wind 5 to 7 mph.
Wednesday
Sunny, with a high near 42. East wind 5 to 8 mph becoming calm in the afternoon.
Wednesday Night
Partly cloudy, with a low around 32. East southeast wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Sunny, with a high near 37.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Snow likely. Partly cloudy, with a low around 29.
Sunday
Snow likely. Mostly cloudy, with a high near 38.
Sunday Night
Snow likely. Mostly cloudy, with a low around 33.
Monday
Snow likely. Mostly cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Marblemount WA
 48.52°N 121.22°W (Elev. 4341 ft)
1:25 am PST Jan 20, 2026
3am 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