National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

MARTEN RIDGE (MRTW1)

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

NA

41°F

5°C

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

6 Miles NNW Newhalem WA

  • Today

    Today: Rain, possibly mixed with snow. High near 34. Wind chill values between 20 and 25. Southwest wind 17 to 21 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.

    High: 34 °F

    Rain/Snow

  • Tonight

    Tonight: Rain, mainly before 1am. The rain could be heavy at times. Low around 34. Wind chill values between 23 and 28. West southwest wind 11 to 17 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.

    Low: 34 °F

    Heavy Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 37. West southwest wind 7 to 10 mph.

    High: 37 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26. Southeast wind around 11 mph.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. Southwest wind 8 to 10 mph.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

Detailed Forecast

Today
Rain, possibly mixed with snow. High near 34. Wind chill values between 20 and 25. Southwest wind 17 to 21 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
Tonight
Rain, mainly before 1am. The rain could be heavy at times. Low around 34. Wind chill values between 23 and 28. West southwest wind 11 to 17 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.
Tuesday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 37. West southwest wind 7 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 26. Southeast wind around 11 mph.
Wednesday
Mostly sunny, with a high near 35. Southwest wind 8 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 36.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 38.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 40.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Newhalem WA
 48.77°N 121.3°W (Elev. 6893 ft)
Last Update:
7:00 am PST Jan 12, 2026
Forecast Valid:
8am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation