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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

MARTEN RIDGE (MRTW1)

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

NA

44°F

7°C

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

Marblemount WA

Flood Watch March 20, 04:26pm until March 21, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 20, 04:26pm until March 21, 05:00pm

    NOW until 5:00pm Sat

    Flood Watch

  • This Afternoon

    High: 53 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 35. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain, possibly mixing with snow after 8am, then gradually ending. Mostly sunny, with a high near 46. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Snow likely, possibly mixed with rain, mainly after 5am. Increasing clouds, with a low around 31. Light and variable wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain likely, possibly mixed with snow before 11am, then a chance of rain. Partly sunny, with a high near 49. Light and variable wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 49 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain after 11pm. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

This Afternoon
Rain, mainly after 5pm. High near 53. Southwest wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 35. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain, possibly mixing with snow after 8am, then gradually ending. Mostly sunny, with a high near 46. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
Snow likely, possibly mixed with rain, mainly after 5am. Increasing clouds, with a low around 31. Light and variable wind. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Rain likely, possibly mixed with snow before 11am, then a chance of rain. Partly sunny, with a high near 49. Light and variable wind. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 54.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 38.
Tuesday
Rain. Cloudy, with a high near 48.
Tuesday Night
Rain. Cloudy, with a low around 36.
Wednesday
Rain. Cloudy, with a high near 46.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 31.
Thursday
A chance of rain and snow. Partly sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 30.
Friday
A slight chance of rain. Mostly sunny, with a high near 54.
Basemap Options
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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 Mar 20, 2026
Forecast Valid:
4pm PDT Mar 20, 2026-6pm PDT Mar 27, 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