Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. 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

15 Miles SSE Newhalem WA

Fire Weather Watch August 22, 05:00am until August 22, 11:00pm
Click here for hazard details and duration
Fire Weather Watch
  • Today

    Today: Increasing clouds, with a high near 81. East wind 3 to 8 mph.

    High: 81 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Cloudy, with a low around 59. Calm wind becoming south around 5 mph after midnight.

    Low: 59 °F

    Cloudy

  • Saturday

    Saturday: Rain and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm.  High near 67. Light and variable wind becoming west 5 to 8 mph in the morning.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Chance
    T-storms then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then rain, mainly between 8pm and 11pm.  Low around 49. West wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers then
    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain before 11am.  Partly sunny, with a high near 57. West wind 7 to 10 mph.

    High: 57 °F

    Chance Rain
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

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

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 81. East wind 3 to 8 mph.
Tonight
Cloudy, with a low around 59. Calm wind becoming south around 5 mph after midnight.
Saturday
Rain and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 67. Light and variable wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then rain, mainly between 8pm and 11pm. Low around 49. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 40 percent chance of rain before 11am. Partly sunny, with a high near 57. West wind 7 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Thursday
Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SSE Newhalem WA
 48.48°N 121.08°W (Elev. 3159 ft)
11:26 pm PDT Aug 20, 2026
5am PDT Aug 21, 2026-6pm PDT Aug 27, 2026
 
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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