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

Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

75°F

24°C

Humidity 71%
Wind Speed E 10 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 16 Apr 9:53 pm EDT
Extended Forecast for

Marathon Shores FL

  • Tonight

    Tonight: Partly cloudy, with a low around 73. Northeast wind 10 to 15 mph.

    Low: 73 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81. Northeast wind around 10 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers. Partly cloudy, with a low around 74. East wind around 10 mph. Chance of precipitation is 10%.

    Low: 74 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 82. East wind around 10 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74. East wind around 10 mph.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 74.

    Low: 74 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers. Partly cloudy, with a low around 72. Windy. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    Showers and
    Windy

Detailed Forecast

Tonight
Partly cloudy, with a low around 73. Northeast wind 10 to 15 mph.
Friday
Mostly sunny, with a high near 81. Northeast wind around 10 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 74. East wind around 10 mph. Chance of precipitation is 10%.
Saturday
Mostly sunny, with a high near 82. East wind around 10 mph.
Saturday Night
Partly cloudy, with a low around 74. East wind around 10 mph.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Mostly cloudy, with a low around 74.
Monday
Mostly sunny, with a high near 81.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 72. Windy. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 78. Windy. Chance of precipitation is 10%.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 70. Windy. Chance of precipitation is 10%.
Wednesday
A slight chance of showers. Partly sunny, with a high near 78. Breezy. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 10%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marathon Shores FL
 24.74°N 81.04°W (Elev. 0 ft)
Last Update:
9:15 pm EDT Apr 16, 2026
Forecast Valid:
10pm EDT Apr 16, 2026-6pm EDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation