Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

72°F

22°C

Humidity 82%
Wind Speed E 9 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 18 Feb 3:53 am EST
Extended Forecast for

Key Colony Beach FL

  • Today

    Today: Sunny, with a high near 81. Southeast wind around 10 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 72. Southeast wind 5 to 10 mph.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Southeast wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Southeast wind around 10 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Southeast wind 5 to 10 mph.

    High: 83 °F

    Sunny

  • Friday Night

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

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 81. Southeast wind around 10 mph.
Tonight
Mostly clear, with a low around 72. Southeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 82. Southeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 72. Southeast wind around 10 mph.
Friday
Sunny, with a high near 83. Southeast wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny, with a high near 81.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 61. Windy. Chance of precipitation is 10%.
Monday
Mostly sunny, with a high near 67. Breezy.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Key Colony Beach FL
 24.71°N 81.02°W (Elev. 0 ft)
3:15 am EST Feb 18, 2026
4am EST Feb 18, 2026-6pm EST Feb 24, 2026
 
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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