Major Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold in the North-Central U.S.

A large, long-duration winter storm is expected to bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies/Plains into the Mid-South beginning Friday, spreading eastward to the Mid-Atlantic and New England this weekend. An Arctic front will bring frigid temperatures and gusty winds that will lead to dangerous wind chills from the Northern Plains and Upper Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Overcast

N/A

Humidity NA
Wind Speed NE 8 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 22 Jan 7:53 am EST
Extended Forecast for

Key Colony Beach FL

  • Today

    Today: A slight chance of showers.  Partly sunny, with a high near 76. Northeast wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers.  Partly cloudy, with a low around 67. Northeast wind around 5 mph.  Chance of precipitation is 10%.

    Low: 67 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers.  Mostly sunny, with a high near 79. East wind around 5 mph.  Chance of precipitation is 10%.

    High: 79 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers.  Mostly clear, with a low around 67. Northeast wind around 5 mph.  Chance of precipitation is 10%.

    Low: 67 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 79. East wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Saturday Night

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

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers.  Mostly clear, with a low around 72. Chance of precipitation is 10%.

    Low: 72 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers.  Sunny, with a high near 79. Chance of precipitation is 10%.

    High: 79 °F

    Slight Chance
    Showers

Detailed Forecast

Today
A slight chance of showers. Partly sunny, with a high near 76. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers. Partly cloudy, with a low around 67. Northeast wind around 5 mph. Chance of precipitation is 10%.
Friday
A slight chance of showers. Mostly sunny, with a high near 79. East wind around 5 mph. Chance of precipitation is 10%.
Friday Night
A slight chance of showers. Mostly clear, with a low around 67. Northeast wind around 5 mph. Chance of precipitation is 10%.
Saturday
Sunny, with a high near 79. East wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 81.
Sunday Night
A slight chance of showers. Mostly clear, with a low around 72. Chance of precipitation is 10%.
Monday
A slight chance of showers. Sunny, with a high near 79. Chance of precipitation is 10%.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 10%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 74. Chance of precipitation is 10%.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 10%.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 76. 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)
8:15 am EST Jan 22, 2026
8am EST Jan 22, 2026-6pm EST Jan 28, 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