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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

MARTEN RIDGE (MRTW1)

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

NA

49°F

9°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: A chance of rain, mixing with snow after 8pm, then gradually ending. Patchy smoke before 8pm. Mostly cloudy, with a low around 36. West southwest wind 9 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: A slight chance of snow between 9am and 11am, then a chance of rain and snow. Partly sunny, with a high near 42. West southwest wind 8 to 11 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. West northwest wind 7 to 13 mph becoming north northeast after midnight.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 55. Northeast wind 5 to 13 mph.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Northwest wind 7 to 13 mph becoming north northeast after midnight.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain, mixing with snow after 8pm, then gradually ending. Patchy smoke before 8pm. Mostly cloudy, with a low around 36. West southwest wind 9 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
A slight chance of snow between 9am and 11am, then a chance of rain and snow. Partly sunny, with a high near 42. West southwest wind 8 to 11 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday Night
Partly cloudy, with a low around 35. West northwest wind 7 to 13 mph becoming north northeast after midnight.
Monday
Sunny, with a high near 55. Northeast wind 5 to 13 mph.
Monday Night
Mostly clear, with a low around 44. Northwest wind 7 to 13 mph becoming north northeast after midnight.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 57.
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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:
11:26 am PDT Aug 1, 2026
Forecast Valid:
6pm PDT Aug 1, 2026-6pm PDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation