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

President Donald J. Trump International Airport (KDJT)

Lat: 26.69°NLon: 80.1°WElev: 10ft.

A Few Clouds

85°F

29°C

Humidity 70%
Wind Speed E 8 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 14 Sep 8:53 pm EDT
Extended Forecast for

Atlantis FL

  • Tonight

    Tonight: Partly cloudy, with a low around 78. Calm wind.

    Low: 78 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Heat index values as high as 102. Calm wind becoming east 5 to 9 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 78. East wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 78 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 89. Northeast wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    High: 89 °F

    Showers
    Likely then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 78. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 78 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 89. East wind 7 to 10 mph. Chance of precipitation is 80%.

    High: 89 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 77. East wind around 6 mph. Chance of precipitation is 80%.

    Low: 77 °F

    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 89. East wind 5 to 9 mph. Chance of precipitation is 80%.

    High: 89 °F

    Showers
    Likely then
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 77. Light southeast wind. Chance of precipitation is 80%.

    Low: 77 °F

    T-storms then
    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 78. Calm wind.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Heat index values as high as 102. Calm wind becoming east 5 to 9 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 78. East wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm. High near 89. Northeast wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 78. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday
Showers and possibly a thunderstorm. High near 89. East wind 7 to 10 mph. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm. Low around 77. East wind around 6 mph. Chance of precipitation is 80%.
Friday
Showers and possibly a thunderstorm. High near 89. East wind 5 to 9 mph. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 77. Light southeast wind. Chance of precipitation is 80%.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 77. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms. High near 89. Chance of precipitation is 80%.
Sunday Night
Showers and thunderstorms. Low around 77. Chance of precipitation is 80%.
Monday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Atlantis FL
 26.58°N 80.11°W
Last Update:
5:41 pm EDT Sep 14, 2026
Forecast Valid:
9pm EDT Sep 14, 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