Widespread Showers and Thunderstorms in Southern California and the Southern Plains into the Mississippi Valley

Isolated strong to severe thunderstorms and widespread heavy rainfall are possible across the southern Plains into Arkansas. Widespread showers with a slight chance of thunderstorms are possible across southern California. Urban flooding, rock and mudslides as well as minor debris flows near burn scars are possible. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

75°F

24°C

Humidity 71%
Wind Speed E 7 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 21 Nov 1:53 am EST
Extended Forecast for

Long Key FL

  • Overnight

    Overnight: Partly cloudy, with a low around 73. East wind around 15 mph.

    Low: 73 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 80. East wind around 15 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. East wind 10 to 15 mph.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. Northeast wind around 10 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Northeast wind around 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. East wind around 15 mph.
Friday
Sunny, with a high near 80. East wind around 15 mph.
Friday Night
Partly cloudy, with a low around 72. East wind 10 to 15 mph.
Saturday
Sunny, with a high near 80. Northeast wind around 10 mph.
Saturday Night
Partly cloudy, with a low around 71. Northeast wind around 10 mph.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 10%.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 10%.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 10%.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 10%.
Thanksgiving Day
A slight chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 10%.
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ABOUT THIS FORECAST

 
Point Forecast:
Long Key FL
 24.83°N 80.81°W (Elev. 0 ft)
1:17 am EST Nov 21, 2025
2am EST Nov 21, 2025-6pm EST Nov 27, 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