Briefing for Flash Flood, Severe Thunderstorm, and Heat Risks through Thursday

Scattered showers and thunderstorms with locally heavy rainfall may lead to areas of flash flooding through tonight. There is potential for isolated severe thunderstorms with damaging wind gusts tonight and Thursday. Hot and very humid conditions are expected Thursday. See this briefing for details on these threats. Read More >

Current conditions at

Wilmington Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

Fair

87°F

31°C

Humidity 70%
Wind Speed SW 12 mph
Barometer 29.96 in (1014.3 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 16 Jul 4:51 pm EDT
Extended Forecast for

Wilmington, New Castle County Airport DE

Flood Watch until July 17, 03:00am
Heat Advisory July 17, 10:00am until July 17, 08:00pm
Click here for hazard details and duration
Flood Watch
Heat Advisory
  •  
    Flood Watch until July 17, 03:00am

    NOW until 3:00am Thu

    Flood Watch

  • This Afternoon

    High: 89 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm.  Mostly cloudy, with a low around 75. Southwest wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 75 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms, mainly between 3pm and 5pm.  Mostly cloudy through mid morning, then becoming sunny, with a high near 93. Heat index values as high as 101. West wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 76. Southwest wind around 5 mph.  Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 87. Northwest wind around 5 mph.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm.  Partly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm.  Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Mostly cloudy, with a high near 89. South wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 75. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A slight chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly cloudy through mid morning, then becoming sunny, with a high near 93. Heat index values as high as 101. West wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. Southwest wind around 5 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 87. Northwest wind around 5 mph.
Friday Night
Partly cloudy, with a low around 70.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
A chance of showers. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Wilmington, New Castle County Airport DE
 39.67°N 75.59°W (Elev. 39 ft)
4:12 pm EDT Jul 16, 2025
5pm EDT Jul 16, 2025-6pm EDT Jul 23, 2025
 
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Additional Resources

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