Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Mostly Cloudy

73°F

23°C

Humidity 90%
Wind Speed NW 9 mph
Barometer 29.93 in (1013.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 10 Dec 6:53 pm EST
Extended Forecast for

Marathon Shores FL

  • Tonight

    Tonight: A slight chance of showers.  Partly cloudy, with a low around 67. Northwest wind around 10 mph.  Chance of precipitation is 10%.

    Low: 67 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 75. North wind around 10 mph.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67. North wind around 10 mph.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 77. East wind around 10 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers.  Partly cloudy, with a low around 71. East wind around 10 mph.  Chance of precipitation is 10%.

    Low: 71 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers.  Partly sunny, with a high near 79. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers.  Mostly cloudy, with a low around 71. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers.  Mostly cloudy, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers.  Mostly cloudy, with a low around 70. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers. Partly cloudy, with a low around 67. Northwest wind around 10 mph. Chance of precipitation is 10%.
Thursday
Mostly sunny, with a high near 75. North wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 67. North wind around 10 mph.
Friday
Sunny, with a high near 77. East wind around 10 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 71. East wind around 10 mph. Chance of precipitation is 10%.
Saturday
A slight chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 20%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.
Monday
A slight chance of showers. Mostly sunny, with a high near 78. Chance of precipitation is 20%.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 10%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 77. Chance of precipitation is 10%.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 70. Chance of precipitation is 10%.
Wednesday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon Shores FL
 24.72°N 81.05°W (Elev. 0 ft)
7:15 pm EST Dec 10, 2025
7pm EST Dec 10, 2025-6pm EST Dec 17, 2025
 
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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