National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Critical Fire Weather in the Plains; Unseasonably Warm in the Southwest and Southern U.S.

Unseasonably warm temperatures continue through the weekend across the Southwest and southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Elevated to critical fire weather conditions will persist across the Plains and Southeast U.S. this weekend. Read More >

Current conditions at

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

Partly Cloudy

78°F

26°C

Humidity 71%
Wind Speed E 5 mph
Barometer 30.10 in (1019.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 28 Mar 7:53 pm EDT
Extended Forecast for

3 Miles SW Marquesas Keys FL

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 73. Northeast wind 10 to 15 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms. Sunny, with a high near 77. Breezy, with an east wind around 20 mph. Chance of precipitation is 10%.

    High: 77 °F

    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A slight chance of showers. Mostly clear, with a low around 73. Windy, with an east wind 20 to 25 mph. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    Showers and
    Windy

  • Monday

    Monday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77. Breezy, with an east wind around 20 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Windy, with an east wind around 25 mph. Chance of precipitation is 40%.

    Low: 74 °F

    Chance
    Showers and
    Windy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 78. Windy. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers and
    Windy

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 74. Windy. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    Showers and
    Windy

  • Wednesday

    Wednesday: A slight chance of showers. Mostly cloudy, with a high near 78. Windy. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: A slight chance of showers. Mostly cloudy, with a low around 74. Windy. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    Showers and
    Windy

Detailed Forecast

Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 73. Northeast wind 10 to 15 mph. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 77. Breezy, with an east wind around 20 mph. Chance of precipitation is 10%.
Sunday Night
A slight chance of showers. Mostly clear, with a low around 73. Windy, with an east wind 20 to 25 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77. Breezy, with an east wind around 20 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Windy, with an east wind around 25 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78. Windy. Chance of precipitation is 30%.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 74. Windy. Chance of precipitation is 20%.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 78. Windy. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 74. Windy. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Partly sunny, with a high near 78. Breezy. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 75. Windy. Chance of precipitation is 20%.
Friday
A slight chance of showers. Mostly sunny, with a high near 79. Windy. Chance of precipitation is 20%.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 75. Windy. Chance of precipitation is 20%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 79. Windy. Chance of precipitation is 10%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Marquesas Keys FL
 24.54°N 82.13°W (Elev. 0 ft)
Last Update:
7:15 pm EDT Mar 28, 2026
Forecast Valid:
7pm EDT Mar 28, 2026-6pm EDT Apr 4, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation