Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Georgetown - Delaware Coastal Airport (KGED)

Lat: 38.69°NLon: 75.36°WElev: 46ft.

Mostly Cloudy

71°F

22°C

Humidity 87%
Wind Speed Calm
Barometer 29.96 in (1014.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 20 Aug 5:54 am EDT
Extended Forecast for

Nassau DE

  • Today

    Today: A slight chance of showers, then showers and thunderstorms likely after 11am.  Increasing clouds, with a high near 88. South wind 5 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Chance
    Showers then
    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am.  Patchy fog after 10pm. Low around 67. Northeast wind around 5 mph becoming southeast in the evening.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 67 °F

    T-storms and
    Patchy Fog
    then Chance
    T-storms and
    Patchy Fog

  • Friday

    Friday: Partly sunny, with a high near 80. North wind 5 to 10 mph.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am.  Low around 67. East wind around 5 mph becoming calm.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 8am, then showers between 8am and 11am, then showers and possibly a thunderstorm after 11am.  High near 82. South wind around 5 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 67. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers after 2pm.  Partly sunny, with a high near 84. Chance of precipitation is 50%.

    High: 84 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers, then showers and thunderstorms likely after 11am. Increasing clouds, with a high near 88. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Patchy fog after 10pm. Low around 67. Northeast wind around 5 mph becoming southeast in the evening. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Friday
Partly sunny, with a high near 80. North wind 5 to 10 mph.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 67. East wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers and possibly a thunderstorm before 8am, then showers between 8am and 11am, then showers and possibly a thunderstorm after 11am. High near 82. South wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Nassau DE
 38.75°N 75.18°W (Elev. 20 ft)
4:08 am EDT Aug 20, 2026
6am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database