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

Hazardous Weather Conditions

Current conditions at

MARTEN RIDGE (MRTW1)

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

NA

80°F

27°C

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

Newhalem WA

Fire Weather Watch August 25, 12:00pm until August 26, 09:00pm
Extreme Heat Warning August 22, 03:25pm until August 26, 05:00am
Red Flag Warning August 23, 05:00am until August 24, 09:00pm
Click here for hazard details and duration
Fire Weather Watch
Extreme Heat Warning
Red Flag Warning
  •  
    Extreme Heat Warning August 22, 03:25pm until August 26, 05:00am

    NOW until 5:00am Tue

    Extreme Heat Warning

  • Tonight

    Low: 66 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 96. Northeast wind 5 to 7 mph becoming calm.

    High: 96 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70. Calm wind becoming east northeast 5 to 7 mph after midnight.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 97. East northeast wind around 6 mph becoming calm.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. West wind around 6 mph becoming calm after midnight.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 66. Calm wind becoming east northeast 5 to 8 mph in the evening.
Saturday
Sunny and hot, with a high near 96. Northeast wind 5 to 7 mph becoming calm.
Saturday Night
Partly cloudy, with a low around 70. Calm wind becoming east northeast 5 to 7 mph after midnight.
Sunday
Sunny and hot, with a high near 97. East northeast wind around 6 mph becoming calm.
Sunday Night
Mostly clear, with a low around 71. West wind around 6 mph becoming calm after midnight.
Monday
Sunny and hot, with a high near 96.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 63.
Friday
A slight chance of showers. Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newhalem WA
 48.66°N 121.27°W (Elev. 853 ft)
Last Update:
2:25 pm PDT Aug 22, 2025
Forecast Valid:
3pm PDT Aug 22, 2025-6pm PDT Aug 29, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation