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

Unsettled Northwest; Soggy Florida and Ohio Valley

A powerful upper level system will send a series of fronts through the Northwest with rain, gusty winds, and a wintry mix in the higher elevation. Upper level system will bring strong showers and thunderstorms to parts of the Southwest, Ohio Valley, and Florida. Heavy rain could cause flooding in the Ohio Valley and Florida. Excessive heat continues in Puerto Rico and the U.S. Virgin Islands. Read More >

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

88°F

31°C

Humidity 73%
Wind Speed Calm
Barometer 29.94 in (1013.9 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 26 Sep 3:53 pm EDT
Extended Forecast for

Islamorada FL

  • This
    Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 89. East wind around 5 mph. Chance of precipitation is 70%.

    Showers
    Likely

    High: 89 °F

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 81. East wind 5 to 10 mph. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 81 °F

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. East wind 5 to 10 mph. Chance of precipitation is 60%.

    Showers
    Likely

    High: 87 °F

  • Wednesday
    Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 80. East wind 5 to 10 mph. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 80 °F

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 87. East wind 5 to 10 mph. Chance of precipitation is 60%.

    Showers
    Likely

    High: 87 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 81. Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 81 °F

  • Friday

    Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.

    Chance
    T-storms

    High: 87 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 80 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.

    Chance
    T-storms

    High: 87 °F

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 89. East wind around 5 mph. Chance of precipitation is 70%.
Tonight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 81. East wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. East wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 80. East wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 87. East wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 81. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Islamorada FL
 24.93°N 80.64°W (Elev. 0 ft)
Last Update:
3:15 pm EDT Sep 26, 2023
Forecast Valid:
4pm EDT Sep 26, 2023-6pm EDT Oct 2, 2023
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation