Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

Fair

78°F

26°C

Humidity 79%
Wind Speed E 6 mph
Barometer 29.98 in (1015.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 Apr 1:53 am EDT
Extended Forecast for

3 Miles SW Marquesas Keys FL

  • Overnight

    Overnight: Mostly cloudy, with a low around 75. East wind around 15 mph.

    Low: 75 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 8am and 11am.  Mostly sunny, with a high near 80. East wind 10 to 15 mph.  Chance of precipitation is 10%.

    High: 80 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 76. East wind around 15 mph.

    Low: 76 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 79. East wind around 10 mph.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 75. North wind 10 to 15 mph.

    Low: 75 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday 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

  • Tuesday

    Tuesday: A slight chance of showers.  Mostly sunny, with a high near 77. Very windy.  Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers and
    Very Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73. Windy.

    Low: 73 °F

    Partly Cloudy
    and Windy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 75. East wind around 15 mph.
Saturday
A slight chance of showers between 8am and 11am. Mostly sunny, with a high near 80. East wind 10 to 15 mph. Chance of precipitation is 10%.
Saturday Night
Mostly cloudy, with a low around 76. East wind around 15 mph.
Sunday
Partly sunny, with a high near 79. East wind around 10 mph.
Sunday Night
Mostly cloudy, with a low around 75. North wind 10 to 15 mph.
Monday
Mostly sunny, with a high near 79.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 74. Windy. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 77. Very windy. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 73. Windy.
Wednesday
Mostly sunny, with a high near 77. Windy.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 72. Windy. Chance of precipitation is 10%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 77. Breezy. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 74. Breezy. Chance of precipitation is 10%.
Friday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Marquesas Keys FL
 24.54°N 82.13°W (Elev. 0 ft)
2:15 am EDT Apr 18, 2026
2am EDT Apr 18, 2026-6pm EDT Apr 24, 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