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

65°F

18°C

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

11 Miles SSE Newhalem WA

  • Today

    Today: Sunny, with a high near 52. Southwest wind 3 to 7 mph.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Light south wind becoming south southeast 8 to 13 mph in the evening.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 51. South wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 36. West southwest wind 6 to 9 mph.

    Low: 36 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42. West wind 5 to 10 mph.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain and snow after 11am. Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 52. Southwest wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 43. Light south wind becoming south southeast 8 to 13 mph in the evening.
Monday
Mostly sunny, with a high near 51. South wind 5 to 10 mph becoming west southwest in the afternoon.
Monday Night
Increasing clouds, with a low around 36. West southwest wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 42. West wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
A chance of rain and snow after 11am. Mostly cloudy, with a high near 39.
Thursday Night
Rain and snow likely. Cloudy, with a low around 30.
Friday
Rain and snow likely. Mostly cloudy, with a high near 33.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 27.
Saturday
A slight chance of snow. Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSE Newhalem WA
 48.53°N 121.13°W (Elev. 7431 ft)
Last Update:
11:26 am PDT Sep 20, 2026
Forecast Valid:
11am PDT Sep 20, 2026-6pm PDT Sep 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation