Significant Flood Threat Continues For South-Central U.S.

A widespread and significant flood risk continues across the south-central U.S. from repeated rounds of intense rain and strong to severe thunderstorms. Flash flood watches are in effect for large part of the ArkLaTex. Today's concern extends from the Louisiana and extreme Upper Texas Gulf Coast to northeastern Texas and southeastern Oklahoma before shifting to all of eastern Texas on Wednesday. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

A Few Clouds

86°F

30°C

Humidity 57%
Wind Speed E 14 G 26 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 18 May 12:53 pm EDT
Extended Forecast for

Islamorada FL

  • This
    Afternoon

    This Afternoon: A slight chance of showers.  Partly sunny, with a high near 85. Breezy, with an east wind around 20 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers and
    Breezy

    High: 85 °F

  • Tonight

    Tonight: A chance of showers.  Mostly cloudy, with a low around 78. Breezy, with an east wind 15 to 20 mph.  Chance of precipitation is 30%.

    Chance
    Showers and
    Breezy

    Low: 78 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Partly sunny, with a high near 83. Breezy, with an east wind around 20 mph.  Chance of precipitation is 40%.

    Chance
    Showers and
    Breezy

    High: 83 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 78. Breezy, with an east wind around 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 40%.

    Chance
    Showers and
    Breezy

    Low: 78 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 83. Breezy, with an east wind around 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 50%.

    Chance
    Showers and
    Breezy

    High: 83 °F

  • Thursday
    Night

    Thursday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 77. Windy.  Chance of precipitation is 20%.

    Slight Chance
    T-storms and
    Windy

    Low: 77 °F

  • Friday

    Friday: A slight chance of showers.  Partly sunny, with a high near 83. Windy.  Chance of precipitation is 20%.

    Slight Chance
    Showers and
    Windy

    High: 83 °F

  • Friday
    Night

    Friday Night: A slight chance of showers.  Mostly cloudy, with a low around 76. Breezy.  Chance of precipitation is 20%.

    Slight Chance
    Showers and
    Breezy

    Low: 76 °F

  • Saturday

    Saturday: A slight chance of showers.  Mostly sunny, with a high near 84. Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 84 °F

Detailed Forecast

This Afternoon
A slight chance of showers. Partly sunny, with a high near 85. Breezy, with an east wind around 20 mph. Chance of precipitation is 20%.
Tonight
A chance of showers. Mostly cloudy, with a low around 78. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Breezy, with an east wind around 20 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Breezy, with an east wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Breezy, with an east wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Windy. Chance of precipitation is 20%.
Friday
A slight chance of showers. Partly sunny, with a high near 83. Windy. Chance of precipitation is 20%.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 76. Breezy. Chance of precipitation is 20%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 75. Chance of precipitation is 10%.
Sunday
A slight chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 10%.
Sunday Night
A slight chance of showers. Mostly clear, with a low around 76. Chance of precipitation is 10%.
Monday
A slight chance of showers. Sunny, with a high near 86. Chance of precipitation is 10%.
Click Map For Forecast
Point Forecast:
Islamorada FL
 24.93°N 80.62°W (Elev. 3 ft)
1:15 pm EDT May 18, 2021
1pm EDT May 18, 2021-6pm EDT May 24, 2021
 
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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