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Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Current conditions at

MARTEN RIDGE (MRTW1)

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

NA

50°F

10°C

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

Marblemount WA

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 42. Southwest wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, partly sunny, with a high near 66. Light southwest wind.

    High: 66 °F

    Areas Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 9am. Otherwise, sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.

    High: 77 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 46. West wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 42. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 66. Light southwest wind.
Tuesday Night
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 45. Light and variable wind.
Wednesday
Areas of fog before 9am. Otherwise, sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 46. West wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
A slight chance of rain. Partly sunny, with a high near 70.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 44.
Memorial Day
A chance of rain. Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marblemount WA
 48.53°N 121.45°W (Elev. 699 ft)
Last Update:
11:27 am PDT May 18, 2026
Forecast Valid:
6pm PDT May 18, 2026-6pm PDT May 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation