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

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

56°F

13°C

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

Marblemount WA

  • Today

    Today: Areas of fog before 9am. Otherwise, sunny, with a high near 84. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 84 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. Light south wind.

    Low: 53 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 50 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 74. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 74 °F

    Slight Chance
    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 51. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Rain Likely

  • Friday

    Friday: A 40 percent chance of rain. Partly sunny, with a high near 72. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 72 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely, mainly before 11am. Partly sunny, with a high near 69. Chance of precipitation is 60%.

    High: 69 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
Areas of fog before 9am. Otherwise, sunny, with a high near 84. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tonight
Increasing clouds, with a low around 53. Light south wind.
Thursday
A 50 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 74. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 51. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 72. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, mainly before 11am. Partly sunny, with a high near 69. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 49.
Monday
A slight chance of rain. Mostly sunny, with a high near 73.
Monday Night
A chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Mostly cloudy, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marblemount WA
 48.54°N 121.42°W (Elev. 236 ft)
Last Update:
11:26 pm PDT Aug 25, 2026
Forecast Valid:
7am PDT Aug 26, 2026-6pm PDT Sep 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation