Threat For Heavy Rainfall And Flash Flooding Continues From The Mid South To The Mid Atlantic; Critical Fire Weather Over The Western U.S.

A slow moving low pressure system will bring a continued threat for heavy rainfall and flooding from portions of the Mid South to the Ohio Valley and Mid Atlantic through midweek. Some areas could see locally significant flooding. Out west,very dry humidity combined with gusty winds will lead to a continued threat for critical fire weather and dry thunderstorms. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 0ft.

Partly Cloudy

90°F

32°C

Humidity 63%
Wind Speed SE 7 mph
Barometer 29.98 in (1015.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 24 Sep 2:53 pm EDT
Extended Forecast for

Marathon FL

  • This
    Afternoon

    This Afternoon: A chance of showers and thunderstorms.  Mostly sunny, with a high near 90. East wind around 5 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    High: 90 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Partly cloudy, with a low around 80. East wind around 5 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 80 °F

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 91. Southeast wind around 10 mph.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 91 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 81. East wind 5 to 10 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 81 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 90. East wind around 10 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    High: 90 °F

  • Wednesday
    Night

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

    Chance
    Showers

    Low: 82 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 90. Chance of precipitation is 30%.

    Chance
    Showers

    High: 90 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 80. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 80 °F

  • Friday

    Friday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 90. Chance of precipitation is 30%.

    Chance
    Showers

    High: 90 °F

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. East wind around 5 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms. Partly cloudy, with a low around 80. East wind around 5 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Southeast wind around 10 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 81. East wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. East wind around 10 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 80. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 80. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Marathon FL
 24.72°N 81.07°W (Elev. 7 ft)
3:15 pm EDT Sep 24, 2018
3pm EDT Sep 24, 2018-6pm EDT Sep 30, 2018
 
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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