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

50°F

10°C

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

15 Miles SSE Newhalem WA

  • Tonight

    Tonight: Clear, with a low around 27. Wind chill values between 19 and 24. East wind around 9 mph.

    Low: 27 °F

    Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 44. Wind chill values between 18 and 28. East wind 5 to 8 mph becoming calm  in the afternoon.

    High: 44 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. Wind chill values between 24 and 29. South southwest wind around 6 mph becoming west northwest after midnight.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. Wind chill values between 23 and 33. East northeast wind 5 to 9 mph becoming light east  in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28. East northeast wind around 7 mph.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of snow after 4pm.  Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow, mainly after 10pm.  Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Tonight
Clear, with a low around 27. Wind chill values between 19 and 24. East wind around 9 mph.
M.L.King Day
Sunny, with a high near 44. Wind chill values between 18 and 28. East wind 5 to 8 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 31. Wind chill values between 24 and 29. South southwest wind around 6 mph becoming west northwest after midnight.
Tuesday
Mostly sunny, with a high near 41. Wind chill values between 23 and 33. East northeast wind 5 to 9 mph becoming light east in the afternoon.
Tuesday Night
Mostly clear, with a low around 28. East northeast wind around 7 mph.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
A slight chance of snow after 4pm. Partly sunny, with a high near 35.
Thursday Night
A chance of snow, mainly after 10pm. Mostly cloudy, with a low around 25.
Friday
A chance of snow. Partly sunny, with a high near 33.
Friday Night
A chance of snow. Mostly cloudy, with a low around 23.
Saturday
A chance of snow. Partly sunny, with a high near 30.
Saturday Night
Snow likely. Mostly cloudy, with a low around 24.
Sunday
Snow likely. Mostly cloudy, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SSE Newhalem WA
 48.48°N 121.08°W (Elev. 3159 ft)
7:01 pm PST Jan 18, 2026
8pm PST Jan 18, 2026-6pm PST Jan 25, 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