Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

A Few Clouds

82°F

28°C

Humidity 77%
Wind Speed SE 9 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 7 Dec 1:53 pm EST
Extended Forecast for

3 Miles NE Islamorada FL

  • This Afternoon

    This Afternoon: A slight chance of showers.  Mostly sunny, with a high near 81. South wind around 5 mph.  Chance of precipitation is 10%.

    High: 81 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 75. South wind 5 to 10 mph.  Chance of precipitation is 40%.

    Low: 75 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms.  Partly sunny, with a high near 80. West wind 10 to 15 mph.  Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers.  Mostly cloudy, with a low around 70. West wind 10 to 15 mph becoming north after midnight.  Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers.  Mostly cloudy, with a high near 77. North wind 10 to 15 mph.  Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers.  Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers.  Partly sunny, with a high near 77. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers.  Mostly cloudy, with a low around 69. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers.  Mostly sunny, with a high near 76. Chance of precipitation is 10%.

    High: 76 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
A slight chance of showers. Mostly sunny, with a high near 81. South wind around 5 mph. Chance of precipitation is 10%.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. South wind 5 to 10 mph. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. West wind 10 to 15 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 70. West wind 10 to 15 mph becoming north after midnight. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 77. North wind 10 to 15 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Wednesday
A slight chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 10%.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 72. Chance of precipitation is 20%.
Friday
A slight chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 20%.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.
Saturday
A slight chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Islamorada FL
 24.95°N 80.59°W (Elev. 0 ft)
2:15 pm EST Dec 7, 2025
2pm EST Dec 7, 2025-6pm EST Dec 13, 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