National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy to Excessive Rain for Southeast and Mid-Atlantic into this Weekend; High Winds in the Pacific Northwest Friday

Another southern storm system will bring heavy to excessive rainfall with a risk for severe thunderstorms from the central Gulf Coast to the Southeast Friday. This heavy rainfall will then spread across the Mid-Atlantic region late Friday into the Weekend. A strong cold front moving into the Pacific Northwest will bring strong, possibly damaging winds to the coast Friday. Read More >

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 0ft.

80°F

27°C

Humidity 62%
Wind Speed SE 12 G 17 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 14 Dec 12:53 am EST
Extended Forecast for

Key Colony Beach FL

  • Overnight

    Overnight: Mostly cloudy, with a low around 74. Breezy, with a southeast wind 15 to 20 mph.

    Mostly Cloudy
    and Breezy

    Low: 74 °F

  • Friday

    Friday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 82. Breezy, with a southeast wind 15 to 20 mph. Chance of precipitation is 10%.

    Slight Chance
    T-storms and
    Breezy

    High: 82 °F

  • Friday
    Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 74. Southeast wind 10 to 15 mph becoming southwest after midnight. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 74 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 80. Southwest wind 5 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 50%.

    Chance
    Showers

    High: 80 °F

  • Saturday
    Night

    Saturday Night: A chance of showers. Cloudy, with a low around 68. North wind 10 to 15 mph. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 68 °F

  • Sunday

    Sunday: A slight chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 10%.

    Slight Chance
    Showers

    High: 76 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 63.

    Partly Cloudy

    Low: 63 °F

  • Monday

    Monday: Mostly sunny, with a high near 73.

    Mostly Sunny

    High: 73 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 62.

    Partly Cloudy

    Low: 62 °F

Detailed Forecast

Overnight
Mostly cloudy, with a low around 74. Breezy, with a southeast wind 15 to 20 mph.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 82. Breezy, with a southeast wind 15 to 20 mph. Chance of precipitation is 10%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 74. Southeast wind 10 to 15 mph becoming southwest after midnight. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Southwest wind 5 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Cloudy, with a low around 68. North wind 10 to 15 mph. Chance of precipitation is 40%.
Sunday
A slight chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 10%.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
A slight chance of showers. Mostly clear, with a low around 66. Chance of precipitation is 20%.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
Thursday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Key Colony Beach FL
 24.74°N 81.02°W (Elev. 0 ft)
Last Update:
1:15 am EST Dec 14, 2018
Forecast Valid:
1am EST Dec 14, 2018-6pm EST Dec 20, 2018
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation