Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Severe Thunderstorms & Heavy Rain in the Plains/Midwest; Clouds and Rain Threaten Eclipse Viewing for Some

While much of the nation observes today's eclipse, clouds threaten to obscure the view in parts of the Plains, Midwest, Mid-Atlantic, Southwest, and Southeast states. The weather could be more than just a nuisance in the north-central Plains and Midwest where scattered severe storms are possible this afternoon and evening. Very large hail, damaging wind gusts, and flash floods are possible. Read More >

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 0ft.

Fair

90°F

32°C

Humidity 62%
Wind Speed E 10 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 21 Aug 5:53 pm EDT
Extended Forecast for

Marathon FL

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 11pm.  Partly cloudy, with a low around 83. East wind 10 to 15 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 83 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 94. Northeast wind around 5 mph.  Chance of precipitation is 40%.

    Chance
    Showers

    High: 94 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 82. Southeast wind around 5 mph.  Chance of precipitation is 40%.

    Chance
    Showers

    Low: 82 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Partly sunny, with a high near 94. Southeast wind around 5 mph.  Chance of precipitation is 40%.

    Chance
    Showers

    High: 94 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 83. Southeast wind 5 to 10 mph.  Chance of precipitation is 40%.

    Chance
    Showers

    Low: 83 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 93. Chance of precipitation is 40%.

    Chance
    Showers

    High: 93 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 83. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 83 °F

  • Friday

    Friday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 93. Chance of precipitation is 40%.

    Chance
    Showers

    High: 93 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 82. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 82 °F

Detailed Forecast

Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Partly cloudy, with a low around 83. East wind 10 to 15 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Northeast wind around 5 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Southeast wind around 5 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 94. Southeast wind around 5 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 83. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 93. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 83. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 93. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 93. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Cloudy, with a low around 82. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Cloudy, with a high near 93. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Cloudy, with a high near 93. Chance of precipitation is 40%.
Click Map For Forecast
Point Forecast:
Marathon FL
 24.72°N 81.07°W (Elev. 7 ft)
6:16 pm EDT Aug 21, 2017
6pm EDT Aug 21, 2017-6pm EDT Aug 28, 2017
 
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