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

Severe Thunderstorm and Flash Flood Threats Continue into the Weekend

Severe thunderstorms are expected from the southern Plains to the Midwest through Friday night. Severe storm hazards may include large hail, severe winds, and tornadoes, some of which may be strong. There will be another chance for severe thunderstorms on Saturday for portions of Texas, the Lower Mississippi Valley, and the Ohio Valley. Storms could result in locally heavy rain and flash flooding. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

78°F

26°C

Humidity 76%
Wind Speed E 13 mph
Barometer 30.12 in (1020.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 7 Mar 7:53 am EST
Extended Forecast for

23 Miles NNW Long Key FL

  • Today

    Today: Sunny, with a high near 82. Breezy, with an east wind 11 to 16 mph, with gusts as high as 22 mph.

    High: 82 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 69. East wind around 10 mph, with gusts as high as 18 mph.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82. East wind 9 to 14 mph, with gusts as high as 18 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. East wind around 8 mph.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. East wind 8 to 13 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. East wind around 8 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. East wind 8 to 14 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. East wind around 13 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Southeast wind 13 to 15 mph, with gusts as high as 20 mph.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 82. Breezy, with an east wind 11 to 16 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 69. East wind around 10 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 82. East wind 9 to 14 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 69. East wind around 8 mph.
Monday
Sunny, with a high near 83. East wind 8 to 13 mph.
Monday Night
Mostly clear, with a low around 69. East wind around 8 mph.
Tuesday
Sunny, with a high near 82. East wind 8 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 70. East wind around 13 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 83. Southeast wind 13 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 66.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NNW Long Key FL
 25.14°N 80.92°W
Last Update:
3:17 am EST Mar 7, 2026
Forecast Valid:
7am EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
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