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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Current conditions at

Wilmington Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

Fair

73°F

23°C

Humidity 79%
Wind Speed S 9 mph
Barometer 29.76 in (1007.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 18 Jun 1:51 am EDT
Extended Forecast for

Elsmere DE

Coastal Flood Advisory until June 18, 04:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory until June 18, 04:00am

    NOW until 4:00am Thu

    Coastal Flood Advisory

  • Overnight

    Low: 68 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers before noon, then a chance of showers and thunderstorms after 2pm. Cloudy through mid morning, then gradual clearing, with a high near 92. Breezy, with a south wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Breezy.
    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly cloudy through mid morning, then gradual clearing, with a high near 83. West wind around 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 62. Northwest wind 5 to 10 mph.

    Low: 62 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 68. South wind around 5 mph.
Thursday
A slight chance of showers before noon, then a chance of showers and thunderstorms after 2pm. Cloudy through mid morning, then gradual clearing, with a high near 92. Breezy, with a south wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 67. West wind 10 to 15 mph, with gusts as high as 25 mph.
Juneteenth
Mostly cloudy through mid morning, then gradual clearing, with a high near 83. West wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 62. Northwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 84.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 82. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Elsmere DE
 39.76°N 75.6°W (Elev. 190 ft)
Last Update:
4:08 pm EDT Jun 17, 2026
Forecast Valid:
2am EDT Jun 18, 2026-6pm EDT Jun 24, 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