Major Winter Storm Ongoing in the Upper Midwest and Great Lakes; Severe Weather Along the East Coast

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >

Current conditions at

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

Mostly Cloudy

82°F

28°C

Humidity 74%
Wind Speed S 7 mph
Barometer 29.88 in (1012.3 mb)
Dewpoint 73°F (23°C)
Visibility 9.00 mi
Heat Index87°F (31°C)
Last update 16 Mar 5:53 pm EDT
Extended Forecast for

3 Miles SW Marquesas Keys FL

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm.  Low around 68. West wind around 15 mph.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 68 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms.  Cloudy, with a high near 73. Windy, with a north wind 20 to 25 mph, with gusts as high as 30 mph.  Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers and
    Windy

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Cloudy, with a low around 66. Very windy, with a north wind 20 to 30 mph.  Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers and
    Very Windy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Cloudy, with a high near 73. Windy, with a northeast wind 20 to 25 mph.  Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Cloudy, with a low around 69. Very windy, with a north wind 25 to 30 mph.  Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    Showers and
    Very Windy

  • Thursday

    Thursday: A slight chance of showers.  Mostly cloudy, with a high near 74. Windy.  Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers and
    Windy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69. Windy.

    Low: 69 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Sunny, with a high near 74. Windy.

    High: 74 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 68. West wind around 15 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Tuesday
A chance of showers and thunderstorms. Cloudy, with a high near 73. Windy, with a north wind 20 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Cloudy, with a low around 66. Very windy, with a north wind 20 to 30 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Cloudy, with a high near 73. Windy, with a northeast wind 20 to 25 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Cloudy, with a low around 69. Very windy, with a north wind 25 to 30 mph. Chance of precipitation is 50%.
Thursday
A slight chance of showers. Mostly cloudy, with a high near 74. Windy. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 69. Windy.
Friday
Sunny, with a high near 74. Windy.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 77.
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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 EDT Mar 16, 2026
6pm EDT Mar 16, 2026-6pm EDT Mar 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database