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

Heavy Rainfall This Weekend in the Southern Plains and in South Florida; Bering Sea Storm in Alaska

A slow moving front will produce a threat for heavy rainfall and severe weather from New Mexico into the western High Plains through the weekend. Heavy rainfall is also expected this weekend in South Florida. The Bering Sea storm continues to bring heavy precipitation, strong winds, and minor to major coastal flooding through the weekend across western Alaska. Read More >

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

77°F

25°C

Humidity 74%
Wind Speed Vrbl 7 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 24 Oct 10:53 am EDT
Extended Forecast for

Marathon FLSimilar City Names

Coastal Flood Advisory October 24, 11:47am until October 25, 05:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory October 24, 11:47am until October 25, 05:00am

    NOW until 5:00am Sun

    Coastal Flood Advisory

  • Today

    High: 81 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 73. Northeast wind around 15 mph.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms. Sunny, with a high near 82. North wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly clear, with a low around 74. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 40%.

    Low: 74 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Sunny, with a high near 83. North wind around 15 mph. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly clear, with a low around 74. Breezy. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms. Sunny, with a high near 84. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 76. Windy. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms and
    Windy

Detailed Forecast

Today
A slight chance of showers. Mostly sunny, with a high near 81. Northeast wind around 15 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 73. Northeast wind around 15 mph.
Sunday
A chance of showers and thunderstorms. Sunny, with a high near 82. North wind 10 to 15 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 74. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 40%.
Monday
Showers likely and possibly a thunderstorm. Sunny, with a high near 83. North wind around 15 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 74. Breezy. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 84. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 76. Windy. Chance of precipitation is 20%.
Wednesday
A slight chance of showers. Sunny, with a high near 84. Breezy. Chance of precipitation is 20%.
Wednesday Night
A chance of showers. Mostly clear, with a low around 76. Breezy. Chance of precipitation is 30%.
Thursday
A chance of showers. Sunny, with a high near 84. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 76. Chance of precipitation is 30%.
Friday
A chance of showers. Sunny, with a high near 84. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon FLSimilar City Names
 24.72°N 81.07°W (Elev. 7 ft)
Last Update:
11:15 am EDT Oct 24, 2026
Forecast Valid:
11am EDT Oct 24, 2026-6pm EDT Oct 30, 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