Areas of Severe Thunderstorms and Excessive Rainfall through This Weekend

A multi-day thunderstorm and heavy rain event will impact the south-central U.S. this Memorial Day weekend. Severe thunderstorms may produce large hail, severe gusts, and a possible tornado or two across portions of the central and southern Plains through Monday. The threat for heavy to excessive rainfall and possible flash flooding will return to the south-central U.S., especially in the Ozarks. Read More >

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

86°F

30°C

Humidity 70%
Wind Speed E 6 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 24 May 6:53 pm EDT
Extended Forecast for

Marathon FL

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 8pm.  Mostly clear, with a low around 81. East wind 5 to 10 mph.  Chance of precipitation is 30%.

    Low: 81 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 88. East wind around 10 mph.  Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly clear, with a low around 80. East wind around 10 mph.  Chance of precipitation is 30%.

    Low: 80 °F

    Chance
    Showers

  • Memorial Day

    Memorial Day: A slight chance of showers and thunderstorms.  Sunny, with a high near 88. Southeast wind around 10 mph.  Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms.  Mostly clear, with a low around 81. East wind around 10 mph.  Chance of precipitation is 20%.

    Low: 81 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 88. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 81. Chance of precipitation is 20%.

    Low: 81 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 88. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 80. Chance of precipitation is 20%.

    Low: 80 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly after 8pm. Mostly clear, with a low around 81. East wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. East wind around 10 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 80. East wind around 10 mph. Chance of precipitation is 30%.
Memorial Day
A slight chance of showers and thunderstorms. Sunny, with a high near 88. Southeast wind around 10 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 81. East wind around 10 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 80. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 80. Chance of precipitation is 20%.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 80. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon FL
 24.72°N 81.07°W (Elev. 7 ft)
7:15 pm EDT May 24, 2025
7pm EDT May 24, 2025-6pm EDT May 31, 2025
 
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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