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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

President Donald J. Trump International Airport (KDJT)

Lat: 26.69°NLon: 80.1°WElev: 10ft.

Thunderstorm Heavy Rain Fog

75°F

24°C

Humidity 96%
Wind Speed SE 12 mph
Barometer 30.11 in (1019.6 mb)
Dewpoint 74°F (23°C)
Visibility 0.50 mi
Last update 17 Sep 9:53 am EDT
Extended Forecast for

Boynton Beach FL

Flood Advisory until September 17, 11:15am
Click here for hazard details and duration
...
  •  
    Flood Advisory until September 17, 11:15am

    NOW until 11:15am Thu

    Flood Advisory

  • Today

    High: 88 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly between midnight and 3am. Partly cloudy, with a low around 77. Northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 77 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 5pm. Mostly sunny, with a high near 88. East wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 89. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 80%.

    High: 89 °F

    Showers
    Likely then
    T-storms

  • Saturday Night

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

    Low: 77 °F

    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms, mainly after 2pm. Some of the storms could produce heavy rainfall. High near 89. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 90%.

    High: 89 °F

    Chance
    T-storms then
    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and thunderstorms, mainly before 8pm. Some of the storms could produce heavy rainfall. Low around 76. Calm wind. Chance of precipitation is 80%.

    Low: 76 °F

    Heavy Rain
    then Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Northeast wind 11 to 14 mph, with gusts as high as 21 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between midnight and 3am. Partly cloudy, with a low around 77. Northeast wind 5 to 7 mph becoming calm after midnight.
Friday
Showers and thunderstorms likely, mainly before 5pm. Mostly sunny, with a high near 88. East wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Calm wind.
Saturday
Showers and possibly a thunderstorm. High near 89. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 77. Calm wind. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms, mainly after 2pm. Some of the storms could produce heavy rainfall. High near 89. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 90%.
Sunday Night
Showers and thunderstorms, mainly before 8pm. Some of the storms could produce heavy rainfall. Low around 76. Calm wind. Chance of precipitation is 80%.
Monday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 89. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Low around 76. Chance of precipitation is 80%.
Tuesday
Showers and thunderstorms. High near 90. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms. Low around 78. Chance of precipitation is 80%.
Wednesday
Showers and thunderstorms. High near 89. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Boynton Beach FL
 26.53°N 80.09°W
Last Update:
4:02 am EDT Sep 17, 2026
Forecast Valid:
10am EDT Sep 17, 2026-6pm EDT Sep 23, 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