Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

N/A

Humidity NA
Wind Speed NE 5 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 29 Dec 3:53 am EST
Extended Forecast for

Marathon Shores FL

  • Today

    Today: Sunny, with a high near 77. Northeast wind around 5 mph becoming northwest in the afternoon.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Northwest wind 5 to 10 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers.  Mostly sunny, with a high near 73. North wind 10 to 15 mph.  Chance of precipitation is 10%.

    High: 73 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. North wind around 15 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67. North wind around 15 mph.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 77. Northeast wind around 5 mph becoming northwest in the afternoon.
Tonight
Partly cloudy, with a low around 66. Northwest wind 5 to 10 mph.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 73. North wind 10 to 15 mph. Chance of precipitation is 10%.
Tuesday Night
Mostly clear, with a low around 56. North wind around 15 mph.
Wednesday
Sunny, with a high near 67. North wind around 15 mph.
Wednesday Night
Mostly clear, with a low around 56.
New Year's Day
Sunny, with a high near 68.
Thursday Night
Clear, with a low around 61.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon Shores FL
 24.74°N 81.04°W (Elev. 0 ft)
4:15 am EST Dec 29, 2025
4am EST Dec 29, 2025-6pm EST Jan 4, 2026
 
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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