Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

A Few Clouds

54°F

12°C

Humidity 62%
Wind Speed NW 15 G 28 mph
Barometer 30.29 in (1026.2 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 1 Feb 6:53 pm EST
Extended Forecast for

3 Miles SW Marquesas Keys FL

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. Windy, with a northwest wind 20 to 25 mph.

    Low: 55 °F

    Mostly Cloudy
    and Windy

  • Monday

    Monday: Mostly sunny, with a high near 60. Breezy, with a north wind 15 to 20 mph.

    High: 60 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Breezy, with a north wind around 20 mph.

    Low: 57 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 66. Breezy, with a northeast wind 15 to 20 mph.

    High: 66 °F

    Sunny and
    Breezy then
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62. East wind around 15 mph.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Isolated showers.  Partly cloudy, with a low around 64. Chance of precipitation is 10%.

    Low: 64 °F

    Isolated
    Showers

  • Thursday

    Thursday: Scattered showers.  Mostly sunny, with a high near 69. Windy.  Chance of precipitation is 30%.

    High: 69 °F

    Scattered
    Showers and
    Windy

  • Thursday Night

    Thursday Night: Isolated showers.  Partly cloudy, with a low around 58. Windy.  Chance of precipitation is 10%.

    Low: 58 °F

    Isolated
    Showers and
    Windy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 55. Windy, with a northwest wind 20 to 25 mph.
Monday
Mostly sunny, with a high near 60. Breezy, with a north wind 15 to 20 mph.
Monday Night
Mostly clear, with a low around 57. Breezy, with a north wind around 20 mph.
Tuesday
Sunny, with a high near 66. Breezy, with a northeast wind 15 to 20 mph.
Tuesday Night
Partly cloudy, with a low around 62. East wind around 15 mph.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 64. Chance of precipitation is 10%.
Thursday
Scattered showers. Mostly sunny, with a high near 69. Windy. Chance of precipitation is 30%.
Thursday Night
Isolated showers. Partly cloudy, with a low around 58. Windy. Chance of precipitation is 10%.
Friday
Mostly sunny, with a high near 64. Windy.
Friday Night
Partly cloudy, with a low around 60. Breezy.
Saturday
Sunny, with a high near 67. Breezy.
Saturday Night
Mostly clear, with a low around 62. Breezy.
Sunday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Marquesas Keys FL
 24.54°N 82.13°W (Elev. 0 ft)
6:15 pm EST Feb 1, 2026
7pm EST Feb 1, 2026-6pm EST Feb 8, 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