Strong to Severe Thunderstorms, Heavy Rain, And Flash Flooding Across the Midwest

Strong to severe thunderstorms, heavy rain and flooding is possible from the Great Lakes to the south-central Plains, as a strong cold front pushes into the extended area. Meanwhile, well above average temperatures are very likely across the Northeastern quad of the country, including the Northeast, Mid-Atlantic, Great Lakes and Ohio Valley. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Overcast and Breezy

81°F

27°C

Humidity 77%
Wind Speed NE 21 G 29 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 73°F (23°C)
Visibility 9.00 mi
Heat Index86°F (30°C)
Last update 22 Sep 8:53 am EDT
Extended Forecast for

Key Colony Beach FL

  • Today

    Today: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 86. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%.

    Showers
    Likely and
    Breezy

    High: 86 °F

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 78. Breezy, with a northeast wind 15 to 20 mph.  Chance of precipitation is 60%.

    Showers
    Likely and
    Breezy

    Low: 78 °F

  • Monday

    Monday: A chance of showers and thunderstorms.  Partly sunny, with a high near 88. Northeast wind around 15 mph.  Chance of precipitation is 40%.

    Chance
    Showers

    High: 88 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 79. Northeast wind around 15 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 79 °F

  • Tuesday

    Tuesday: A slight chance of showers.  Mostly sunny, with a high near 89. Northeast wind around 10 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 89 °F

  • Tuesday
    Night

    Tuesday Night: A slight chance of showers.  Partly cloudy, with a low around 80. Chance of precipitation is 10%.

    Slight Chance
    Showers

    Low: 80 °F

  • Wednesday

    Wednesday: A slight chance of showers.  Sunny, with a high near 90. Chance of precipitation is 10%.

    Slight Chance
    Showers

    High: 90 °F

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers.  Mostly clear, with a low around 80. Chance of precipitation is 10%.

    Slight Chance
    Showers

    Low: 80 °F

  • Thursday

    Thursday: A slight chance of showers.  Mostly sunny, with a high near 90. Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 90 °F

Detailed Forecast

Today
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Tonight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Northeast wind around 15 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 79. Northeast wind around 15 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 89. Northeast wind around 10 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 80. Chance of precipitation is 10%.
Wednesday
A slight chance of showers. Sunny, with a high near 90. Chance of precipitation is 10%.
Wednesday Night
A slight chance of showers. Mostly clear, with a low around 80. Chance of precipitation is 10%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 81. Chance of precipitation is 20%.
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 81. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Key Colony Beach FL
 24.74°N 81.02°W (Elev. 0 ft)
8:15 am EDT Sep 22, 2019
8am EDT Sep 22, 2019-6pm EDT Sep 28, 2019
 
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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