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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Wilmington Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

Fair

66°F

19°C

Humidity 75%
Wind Speed S 5 mph
Barometer 29.82 in (1009.8 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 Jun 6:51 am EDT
Extended Forecast for

Wilmington DE

  • Today

    Today: Mostly sunny, with a high near 84. South wind 5 to 10 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph.

    Low: 69 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 69. West wind 5 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 84. West wind 5 to 10 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 84. South wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph.
Thursday
A chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 69. West wind 5 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Mostly sunny, with a high near 84. West wind 5 to 10 mph.
Friday Night
Clear, with a low around 64.
Saturday
Sunny, with a high near 82.
Saturday Night
Clear, with a low around 63.
Sunday
Sunny, with a high near 85.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wilmington DE
 39.73°N 75.52°W (Elev. 3 ft)
Last Update:
4:07 am EDT Jun 17, 2026
Forecast Valid:
7am EDT Jun 17, 2026-6pm EDT Jun 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