Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

Mostly Cloudy

71°F

22°C

Humidity 76%
Wind Speed NE 13 G 20 mph
Barometer 30.15 in (1021.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 21 Jan 5:53 pm EST
Extended Forecast for

Key West FL

  • Tonight

    Tonight: A slight chance of showers.  Partly cloudy, with a low around 69. Northeast wind 10 to 15 mph.  Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers.  Partly sunny, with a high near 78. Northeast wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers.  Partly cloudy, with a low around 70. Northeast wind around 10 mph.  Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers.  Mostly sunny, with a high near 79. East wind 5 to 10 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 71. East wind 5 to 10 mph.  Chance of precipitation is 10%.

    Low: 71 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

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

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers. Partly cloudy, with a low around 69. Northeast wind 10 to 15 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Partly sunny, with a high near 78. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 70. Northeast wind around 10 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers. Mostly sunny, with a high near 79. East wind 5 to 10 mph. Chance of precipitation is 10%.
Friday Night
A slight chance of showers. Mostly clear, with a low around 71. East wind 5 to 10 mph. Chance of precipitation is 10%.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 72.
Monday
A slight chance of showers. Mostly sunny, with a high near 78. Chance of precipitation is 10%.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 10%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 75. Chance of precipitation is 10%.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 10%.
Wednesday
A slight chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 10%.
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ABOUT THIS FORECAST

 
Point Forecast:
Key West FL
 24.56°N 81.8°W (Elev. 3 ft)
6:15 pm EST Jan 21, 2026
6pm EST Jan 21, 2026-6pm EST Jan 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database