Widespread Summer Heat; Enhanced Severe Weather

A large ridge of high pressure continues to deliver summer heat w/ humidity in several sections of the country. Excessive heat warnings and heat advisories are in effect across the Desert Southwest, south-central Plains, Mid to Lower Mississippi Valley and a small part of the Mid-Atlantic. Meanwhile, an enhanced risk of organized severe thunderstorms is possible from Iowa to Illinois and Indiana. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Mostly Cloudy

90°F

32°C

Humidity 59%
Wind Speed E 8 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 20 Aug 1:53 pm EDT
Extended Forecast for

Marathon Shores FL

  • This
    Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm.  Partly sunny, with a high near 91. East wind around 10 mph.  Chance of precipitation is 70%.

    Showers
    Likely

    High: 91 °F

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm.  Mostly cloudy, with a low around 81. East wind around 10 mph.  Chance of precipitation is 60%.

    Showers
    Likely

    Low: 81 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Partly sunny, with a high near 92. East wind around 10 mph.  Chance of precipitation is 50%.

    Chance
    Showers

    High: 92 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 84. East wind 5 to 10 mph.  Chance of precipitation is 40%.

    Chance
    Showers

    Low: 84 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Partly sunny, with a high near 92. East wind 5 to 10 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    High: 92 °F

  • Thursday
    Night

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

    Chance
    Showers

    Low: 83 °F

  • Friday

    Friday: A chance of showers and thunderstorms.  Partly sunny, with a high near 92. Chance of precipitation is 50%.

    Chance
    Showers

    High: 92 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 82. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 82 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms.  Partly sunny, with a high near 92. Chance of precipitation is 30%.

    Chance
    Showers

    High: 92 °F

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 91. East wind around 10 mph. Chance of precipitation is 70%.
Tonight
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 81. East wind around 10 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 92. East wind around 10 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 84. East wind 5 to 10 mph. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 92. East wind 5 to 10 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 83. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Marathon Shores FL
 24.72°N 81.05°W (Elev. 0 ft)
2:15 pm EDT Aug 20, 2019
2pm EDT Aug 20, 2019-6pm EDT Aug 26, 2019
 
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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