Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

MARTEN RIDGE (MRTW1)

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

NA

66°F

19°C

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

Marblemount WA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Sunny, with a high near 82. South southwest wind around 6 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, increasing clouds, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Showers likely, mainly after 5pm.  Areas of fog before 9am.  Otherwise, partly sunny, with a high near 72. Calm wind becoming southwest around 6 mph in the afternoon.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Areas Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly before 7pm.  Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 50. Light south wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A 50 percent chance of showers.  Areas of fog before 9am.  Otherwise, partly sunny, with a high near 69. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 69 °F

    Chance
    Showers and
    Areas Fog

  • Friday Night

    Friday Night: Showers likely, mainly after 11pm.  Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 48. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Showers likely.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday Night

    Saturday Night: A slight chance of rain before 11pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 82. South southwest wind around 6 mph.
Tonight
Patchy fog after 3am. Otherwise, increasing clouds, with a low around 51. Calm wind.
Thursday
Showers likely, mainly after 5pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 72. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely, mainly before 7pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 50. Light south wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 50 percent chance of showers. Areas of fog before 9am. Otherwise, partly sunny, with a high near 69. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
Showers likely, mainly after 11pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 48. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Saturday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 74.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Tuesday
A chance of rain. Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Marblemount WA
 48.53°N 121.45°W (Elev. 699 ft)
12:55 pm PDT Aug 26, 2026
2pm PDT Aug 26, 2026-6pm PDT Sep 1, 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