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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

MARTEN RIDGE (MRTW1)

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

NA

55°F

13°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

  • Tonight

    Tonight: Clear, with a low around 42. South wind 6 to 8 mph.

    Low: 42 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 56. South southwest wind 3 to 8 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. Calm wind becoming south southwest 5 to 8 mph in the evening.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 53. Southwest wind 6 to 10 mph.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. West southwest wind 6 to 9 mph.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of snow after 11am. Partly sunny, with a high near 40.

    High: 40 °F

    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 42. South wind 6 to 8 mph.
Sunday
Sunny, with a high near 56. South southwest wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 43. Calm wind becoming south southwest 5 to 8 mph in the evening.
Monday
Partly sunny, with a high near 53. Southwest wind 6 to 10 mph.
Monday Night
Partly cloudy, with a low around 38. West southwest wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
A slight chance of snow after 11am. Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
A slight chance of snow after 11am, mixing with rain after 2pm. Mostly cloudy, with a high near 43.
Thursday Night
Rain and snow likely. Cloudy, with a low around 35.
Friday
Rain and snow likely. Mostly cloudy, with a high near 37.
Friday Night
A chance of snow. Mostly cloudy, with a low around 31.
Saturday
A chance of snow. Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Newhalem WA
 48.77°N 121.3°W (Elev. 6893 ft)
Last Update:
8:22 pm PDT Sep 19, 2026
Forecast Valid:
11pm PDT Sep 19, 2026-6pm PDT Sep 26, 2026
 
Forecast Discussion
 
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Additional Resources

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