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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

MARTEN RIDGE (MRTW1)

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

NA

51°F

11°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

  • Overnight

    Overnight: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57. Calm wind becoming west 5 to 8 mph in the morning.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. Southwest wind 3 to 7 mph.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Rain likely between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 52. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Rain, mainly before 11pm. Low around 39. Chance of precipitation is 90%.

    Low: 39 °F

    Rain then
    Slight Chance
    Rain

  • Sunday

    Sunday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 43. Calm wind.
Thursday
Sunny, with a high near 57. Calm wind becoming west 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 45. West northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 49. Southwest wind 3 to 7 mph.
Saturday
Rain likely between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 52. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Rain, mainly before 11pm. Low around 39. Chance of precipitation is 90%.
Sunday
Partly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 63.
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Forecast Area
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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 29, 2026
Forecast Valid:
3am PDT Jul 30, 2026-6pm PDT Aug 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation