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

53°F

12°C

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

Newhalem WA

  • Overnight

    Overnight: A 50 percent chance of showers.  Mostly cloudy, with a steady temperature around 58. West southwest wind around 8 mph.

    Low: 58 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 11am.  Partly sunny, with a high near 59. West southwest wind 6 to 8 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Patchy smoke after 1am. Partly cloudy, with a low around 50. Calm wind becoming east northeast around 6 mph after midnight.

    Low: 50 °F

    Partly Cloudy
    then Patchy
    Smoke

  • Monday

    Monday: Patchy smoke. Sunny, with a high near 75. East northeast wind 5 to 7 mph becoming calm  in the morning.

    High: 75 °F

    Patchy Smoke

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. Calm wind becoming east 5 to 9 mph after midnight.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of showers. Mostly cloudy, with a steady temperature around 58. West southwest wind around 8 mph.
Sunday
Showers likely, mainly before 11am. Partly sunny, with a high near 59. West southwest wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Patchy smoke after 1am. Partly cloudy, with a low around 50. Calm wind becoming east northeast around 6 mph after midnight.
Monday
Patchy smoke. Sunny, with a high near 75. East northeast wind 5 to 7 mph becoming calm in the morning.
Monday Night
Mostly clear, with a low around 58. Calm wind becoming east 5 to 9 mph after midnight.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 63.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Newhalem WA
 48.67°N 121.23°W (Elev. 1493 ft)
11:26 pm PDT Aug 22, 2026
3am PDT Aug 23, 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