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

Tracking Two Storms Impacting the Central and Eastern U.S. Through This Weekend

Two storm systems will track through the central and eastern U.S. through this weekend with areas of gusty winds, rain, and heavy snow. Severe thunderstorms are forecast Friday from the central Gulf Coast into parts of the lower Mississippi, Tennessee and Ohio Valleys. Heavy to excessive rainfall is forecast from the lower Mississippi River Valley to the Tennessee Valley which may bring flooding. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

76°F

24°C

Humidity 79%
Wind Speed E 12 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 9 Jan 3:53 am EST
Extended Forecast for

5 Miles WSW Long Key FL

  • Today

    Today: Mostly sunny, with a high near 79. East wind around 15 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers. Partly cloudy, with a low around 72. East wind 10 to 15 mph. Chance of precipitation is 10%.

    Low: 72 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers. Mostly sunny, with a high near 78. East wind 10 to 15 mph. Chance of precipitation is 10%.

    High: 78 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers. Mostly cloudy, with a low around 71. East wind 5 to 10 mph. Chance of precipitation is 10%.

    Low: 71 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers. Mostly cloudy, with a high near 78. Northeast wind around 5 mph. Chance of precipitation is 10%.

    High: 78 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 79. East wind around 15 mph.
Tonight
A slight chance of showers. Partly cloudy, with a low around 72. East wind 10 to 15 mph. Chance of precipitation is 10%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 78. East wind 10 to 15 mph. Chance of precipitation is 10%.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 71. East wind 5 to 10 mph. Chance of precipitation is 10%.
Sunday
A slight chance of showers. Mostly cloudy, with a high near 78. Northeast wind around 5 mph. Chance of precipitation is 10%.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 20%.
Monday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 74. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Long Key FL
 24.79°N 80.89°W (Elev. 0 ft)
Last Update:
3:15 am EST Jan 9, 2026
Forecast Valid:
4am EST Jan 9, 2026-6pm EST Jan 15, 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