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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

60°F

16°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

  • Tonight

    Tonight: Mostly clear, with a low around 48. South southwest wind 3 to 5 mph.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Rain and thunderstorms before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then rain likely and possibly a thunderstorm after 5pm. High near 51. Southwest wind 6 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Rain likely, mainly before 11pm. Cloudy, with a low around 39. West wind 6 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain Likely
    then Chance
    Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly after 2pm. Mostly cloudy, with a high near 45. West wind 5 to 8 mph.

    High: 45 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. West wind 5 to 8 mph becoming calm.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 48. South southwest wind 3 to 5 mph.
Saturday
Rain and thunderstorms before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then rain likely and possibly a thunderstorm after 5pm. High near 51. Southwest wind 6 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Rain likely, mainly before 11pm. Cloudy, with a low around 39. West wind 6 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 30 percent chance of rain, mainly after 2pm. Mostly cloudy, with a high near 45. West wind 5 to 8 mph.
Sunday Night
Partly cloudy, with a low around 37. West wind 5 to 8 mph becoming calm.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSE Newhalem WA
 48.52°N 121.19°W (Elev. 5430 ft)
Last Update:
11:26 pm PDT Jul 31, 2026
Forecast Valid:
11pm PDT Jul 31, 2026-6pm PDT Aug 7, 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