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Heavy Rain and Potential for Flash Flooding

Strong to severe thunderstorms are forecast to develop along a frontal system stretching from portions of the Mississippi Valley into the Ohio Valley. These storms may produce heavy rain and flash flooding. The threat shifts east on Friday. Moonsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Four Corners area. Read More >

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 0ft.

A Few Clouds

32°C

90°F

Humidity 70%
Wind Speed SE 13 km/h
Barometer 1014.5 mb (29.96 in)
Dewpoint 26°C (79°F)
Visibility 16 km
Heat Index41°C (106°F)
Last update 27 Jul 4:53 pm EDT
Extended Forecast for

Marathon FL

  • This
    Afternoon

    This Afternoon: A chance of showers and thunderstorms.  Mostly sunny, with a high near 33. East wind around 10 km/h.  Chance of precipitation is 30%.

    Chance
    Showers

    High: 33 °C

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Partly cloudy, with a low around 28. East wind around 15 km/h.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 28 °C

  • Friday

    Friday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 33. Southeast wind around 10 km/h.  Chance of precipitation is 30%.

    Chance
    Showers

    High: 33 °C

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 27. West wind around 10 km/h becoming east after midnight.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 27 °C

  • Saturday

    Saturday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 33. South wind 10 to 15 km/h.  Chance of precipitation is 30%.

    Chance
    Showers

    High: 33 °C

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 28. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 28 °C

  • Sunday

    Sunday: A chance of showers and thunderstorms.  Partly sunny, with a high near 33. Chance of precipitation is 40%.

    Chance
    Showers

    High: 33 °C

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 27. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 27 °C

  • Monday

    Monday: A chance of showers and thunderstorms.  Partly sunny, with a high near 33. Chance of precipitation is 40%.

    Chance
    Showers

    High: 33 °C

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Mostly sunny, with a high near 33. East wind around 10 km/h. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms. Partly cloudy, with a low around 28. East wind around 15 km/h. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 33. Southeast wind around 10 km/h. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 27. West wind around 10 km/h becoming east after midnight. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 33. South wind 10 to 15 km/h. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 33. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 33. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 33. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 33. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 33. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Marathon FL
 24.72°N 81.1°W (Elev. 0 m)
3:15 pm EDT Jul 27, 2017
5pm EDT Jul 27, 2017-6pm EDT Aug 3, 2017
 
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