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

Pacific Storm System Moves Inland; Strong Storm in Alaska

A Pacific storm system will bring low elevation/valley rain and mountain snow as it moves inland to the central Great Basin through the central Rockies through Thursday. Scattered thunderstorms are likely from California into the Great Basin. A large low pressure system continues to bring snow, blizzard conditions, damaging winds, and mixed precipitation along the Bering Sea and Southwest Alaska. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

74°F

23°C

Humidity 64%
Wind Speed SE 7 mph
Barometer 30.23 in (1023.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 11 Feb 11:53 am EST
Extended Forecast for

Key Colony Beach FL

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. East wind around 5 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm after midnight.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 76. North wind around 5 mph becoming calm in the morning.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. West wind around 5 mph becoming north after midnight.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74. North wind around 5 mph becoming calm in the morning.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Sunday

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

    High: 79 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 76. East wind around 5 mph.
Tonight
Partly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 76. North wind around 5 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a low around 63. West wind around 5 mph becoming north after midnight.
Friday
Sunny, with a high near 74. North wind around 5 mph becoming calm in the morning.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 69.
Sunday
A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Washington's Birthday
A chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 77. Chance of precipitation is 10%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Key Colony Beach FL
 24.74°N 81.02°W (Elev. 0 ft)
Last Update:
11:15 am EST Feb 11, 2026
Forecast Valid:
12pm EST Feb 11, 2026-6pm EST Feb 17, 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