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

Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Current conditions at

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

Fair

88°F

31°C

Humidity 66%
Wind Speed SE 7 mph
Barometer 30.07 in (1018.9 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 15 Sep 10:53 am EDT
Extended Forecast for

Dry Tortugas National Park FL

  • Today

    Today: A slight chance of showers and thunderstorms. Sunny, with a high near 89. East wind around 10 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 84. East wind around 15 mph. Chance of precipitation is 60%.

    Low: 84 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 88. East wind around 15 mph. Chance of precipitation is 70%.

    High: 88 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 83. East wind around 15 mph. Chance of precipitation is 60%.

    Low: 83 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 87. East wind around 15 mph. Chance of precipitation is 80%.

    High: 87 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 82. Chance of precipitation is 70%.

    Low: 82 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 83. Chance of precipitation is 50%.

    Low: 83 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%.

    High: 87 °F

    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms. Sunny, with a high near 89. East wind around 10 mph. Chance of precipitation is 20%.
Tonight
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 84. East wind around 15 mph. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 88. East wind around 15 mph. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 83. East wind around 15 mph. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm. High near 87. East wind around 15 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 82. Chance of precipitation is 70%.
Friday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 87. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 83. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 83. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dry Tortugas National Park FL
 24.62°N 82.87°W (Elev. 0 ft)
Last Update:
10:15 am EDT Sep 15, 2026
Forecast Valid:
11am EDT Sep 15, 2026-6pm EDT Sep 21, 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