Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

73°F

23°C

Humidity 81%
Wind Speed E 3 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 21 Feb 6:53 am EST
Extended Forecast for

Key Colony Beach FL

  • Today

    Today: Partly sunny, with a high near 81. Southeast wind around 5 mph becoming calm  in the morning.

    High: 81 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers after 1pm.  Mostly sunny, with a high near 80. Light northwest wind becoming west 10 to 15 mph in the morning.  Chance of precipitation is 10%.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before 1am.  Partly cloudy, with a low around 55. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 10%.

    Low: 55 °F

    Slight Chance
    Showers and
    Breezy

  • Monday

    Monday: Sunny, with a high near 62. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 62 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. Windy.

    Low: 49 °F

    Mostly Clear
    and Windy

  • Tuesday

    Tuesday: Sunny, with a high near 61. Breezy.

    High: 61 °F

    Sunny and
    Breezy then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 81. Southeast wind around 5 mph becoming calm in the morning.
Tonight
Partly cloudy, with a low around 69. Calm wind.
Sunday
A slight chance of showers after 1pm. Mostly sunny, with a high near 80. Light northwest wind becoming west 10 to 15 mph in the morning. Chance of precipitation is 10%.
Sunday Night
A slight chance of showers before 1am. Partly cloudy, with a low around 55. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 10%.
Monday
Sunny, with a high near 62. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 49. Windy.
Tuesday
Sunny, with a high near 61. Breezy.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 70. Chance of precipitation is 10%.
Friday
A slight chance of showers. Sunny, with a high near 81. Chance of precipitation is 10%.
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ABOUT THIS FORECAST

 
Point Forecast:
Key Colony Beach FL
 24.71°N 81.02°W (Elev. 0 ft)
6:15 am EST Feb 21, 2026
7am EST Feb 21, 2026-6pm EST Feb 27, 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