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.

Mostly Cloudy

73°F

23°C

Humidity 84%
Wind Speed SE 10 mph
Barometer 29.78 in (1008.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 17 Jun 9:51 pm EDT
Extended Forecast for

2 Miles S Montchanin DE

Coastal Flood Advisory June 18, 12:00am until June 18, 04:00am
Click here for hazard details and duration
Coastal Flood Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. South wind around 5 mph.

    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 84. West wind around 10 mph, with gusts as high as 20 mph.

    High: 84 °F

    Becoming
    Sunny

  • Friday Night

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

    Low: 62 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

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

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

    Low: 64 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
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 84. West wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 62. West wind 5 to 10 mph.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly 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:
2 Miles S Montchanin DE
 39.78°N 75.54°W (Elev. 253 ft)
Last Update:
4:08 pm EDT Jun 17, 2026
Forecast Valid:
10pm EDT Jun 17, 2026-6pm EDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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