Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

MARTEN RIDGE (MRTW1)

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

NA

57°F

14°C

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

11 Miles WNW Newhalem WA

Red Flag Warning August 22, 03:26pm until August 22, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning August 22, 03:26pm until August 22, 08:00pm

    NOW until 8:00pm Sat

    Red Flag Warning

  • This Afternoon

    High: 59 °F

    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then rain likely after 2am.  Mostly cloudy, with a low around 47. Southwest wind 6 to 8 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Chance
    T-storms then
    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 51. South southwest wind 3 to 6 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. Calm wind becoming northeast 5 to 7 mph after midnight.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 65. Northeast wind 5 to 7 mph becoming calm  in the morning.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 59. South southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, then rain likely after 2am. Mostly cloudy, with a low around 47. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 51. South southwest wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 46. Calm wind becoming northeast 5 to 7 mph after midnight.
Monday
Sunny, with a high near 65. Northeast wind 5 to 7 mph becoming calm in the morning.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Thursday
A chance of rain. Partly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 54.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WNW Newhalem WA
 48.7°N 121.47°W (Elev. 5128 ft)
11:26 am PDT Aug 22, 2026
3pm PDT Aug 22, 2026-6pm PDT Aug 29, 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