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Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic. 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

85°F

29°C

Humidity 82%
Wind Speed S 6 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 21 Jul 2:53 am EDT
Extended Forecast for

Marathon FL

  • Overnight

    Overnight: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 82. South wind around 5 mph.  Chance of precipitation is 10%.

    Slight Chance
    T-storms

    Low: 82 °F

  • Friday

    Friday: A slight chance of showers and thunderstorms.  Partly sunny, with a high near 93. South wind around 5 mph becoming calm  in the morning.  Chance of precipitation is 10%.

    Slight Chance
    T-storms

    High: 93 °F

  • Friday
    Night

    Friday Night: A slight chance of showers.  Partly cloudy, with a low around 83. Southeast wind around 5 mph.  Chance of precipitation is 10%.

    Slight Chance
    Showers

    Low: 83 °F

  • Saturday

    Saturday: A slight chance of showers.  Partly sunny, with a high near 94. Southeast wind around 5 mph.  Chance of precipitation is 10%.

    Slight Chance
    Showers

    High: 94 °F

  • Saturday
    Night

    Saturday Night: A slight chance of showers.  Partly cloudy, with a low around 82. East wind around 5 mph.  Chance of precipitation is 10%.

    Slight Chance
    Showers

    Low: 82 °F

  • Sunday

    Sunday: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 93. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 93 °F

  • Sunday
    Night

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

    Slight Chance
    T-storms

    Low: 81 °F

  • Monday

    Monday: A chance of showers and thunderstorms.  Partly sunny, with a high near 93. Chance of precipitation is 30%.

    Chance
    Showers

    High: 93 °F

  • Monday
    Night

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

    Chance
    Showers

    Low: 82 °F

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. South wind around 5 mph. Chance of precipitation is 10%.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 93. South wind around 5 mph becoming calm in the morning. Chance of precipitation is 10%.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 83. Southeast wind around 5 mph. Chance of precipitation is 10%.
Saturday
A slight chance of showers. Partly sunny, with a high near 94. Southeast wind around 5 mph. Chance of precipitation is 10%.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 82. East wind around 5 mph. Chance of precipitation is 10%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 20%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 93. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Marathon FL
 24.72°N 81.07°W (Elev. 7 ft)
3:15 am EDT Jul 21, 2017
3am EDT Jul 21, 2017-6pm EDT Jul 27, 2017
 
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