Heat Across The Southern U.S.; Storms And Heavy Rain in Central U.S.

The early-season heat across portions of the Southern U.S. will continue for much of this week with more potential record high temperatures. On Tuesday, expect 90s and triple digits from the southern Plains into parts of the Lower Mississippi Valley. Also on Tuesday, strong to severe thunderstorms and locally heavy rainfall will be possible from the central Plains into the Mid Mississippi Valley. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Mostly Cloudy

29°C

84°F

Humidity 65%
Wind Speed N 17 km/h
Barometer 1016.2 mb (30.01 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index32°C (89°F)
Last update 17 May 9:53 am EDT
Extended Forecast for

Marathon Shores FL

  • Today

    Today: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 31. Calm wind.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 31 °C

  • Tonight

    Tonight: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 26. Calm wind.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 26 °C

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 32. Calm wind.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 32 °C

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 26. Southeast wind around 10 km/h.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 26 °C

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Partly sunny, with a high near 32. Southeast wind 10 to 15 km/h.  Chance of precipitation is 30%.

    Chance
    Showers

    High: 32 °C

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 26 °C

  • Friday

    Friday: A chance of showers and thunderstorms.  Partly sunny, with a high near 31. Chance of precipitation is 40%.

    Chance
    Showers

    High: 31 °C

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 26 °C

  • Saturday

    Saturday: A chance of showers and thunderstorms.  Partly sunny, with a high near 32. Chance of precipitation is 40%.

    Chance
    Showers

    High: 32 °C

Detailed Forecast

Today
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 31. Calm wind. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 26. Calm wind. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 32. Calm wind. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 26. Southeast wind around 10 km/h. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 32. Southeast wind 10 to 15 km/h. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 31. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 32. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 26. Chance of precipitation is 30%.
Monday
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 Shores FL
 24.72°N 81.05°W (Elev. 0 m)
9:15 am EDT May 17, 2022
10am EDT May 17, 2022-6pm EDT May 23, 2022
 
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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