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

Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Partly Cloudy

65°F

18°C

Humidity 97%
Wind Speed Vrbl 3 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 14 Feb 2:53 am EST
Extended Forecast for

Marathon Shores FL

  • Overnight

    Overnight: Partly cloudy, with a low around 64. North wind around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers after 8am. Sunny, with a high near 75. Northeast wind 5 to 10 mph. Chance of precipitation is 10%.

    High: 75 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers. Partly cloudy, with a low around 68. East wind around 10 mph. Chance of precipitation is 10%.

    Low: 68 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 11am. Mostly sunny, with a high near 78. Southeast wind 10 to 15 mph. Chance of precipitation is 10%.

    High: 78 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers. Partly cloudy, with a low around 69. Southeast wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers

  • Washington's Birthday

    Washington's Birthday: A slight chance of showers. Sunny, with a high near 77. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 64. North wind around 5 mph.
Saturday
A slight chance of showers after 8am. Sunny, with a high near 75. Northeast wind 5 to 10 mph. Chance of precipitation is 10%.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 68. East wind around 10 mph. Chance of precipitation is 10%.
Sunday
A slight chance of showers before 11am. Mostly sunny, with a high near 78. Southeast wind 10 to 15 mph. Chance of precipitation is 10%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 69. Southeast wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 30%.
Washington's Birthday
A slight chance of showers. Sunny, with a high near 77. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marathon Shores FL
 24.72°N 81.05°W (Elev. 0 ft)
Last Update:
3:15 am EST Feb 14, 2026
Forecast Valid:
3am EST Feb 14, 2026-6pm EST Feb 20, 2026
 
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