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 >

Hazardous Weather Conditions

Current conditions at

Wilmington, Airborne Airpark Airport (KILN)

Lat: 39.43°NLon: 83.78°WElev: 1076ft.

Mostly Cloudy

68°F

20°C

Humidity 65%
Wind Speed SW 9 mph
Barometer 29.73 in (1006.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 16 Jun 9:54 pm EDT
Extended Forecast for

Port William OH

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 57. Southwest wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 81. Southwest wind 6 to 13 mph.

    High: 81 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Low around 69. Breezy, with a south wind 20 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 69 °F

    Breezy.
    Slight Chance
    T-storms then
    Heavy Rain

  • Thursday

    Thursday: Showers and thunderstorms likely before 11am, then a slight chance of showers between 11am and 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 79. Breezy, with a west wind 21 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 79 °F

    Breezy.
    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58. Northwest wind 5 to 11 mph.

    Low: 58 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 57. Southwest wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Partly sunny, with a high near 81. Southwest wind 6 to 13 mph.
Wednesday Night
Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Low around 69. Breezy, with a south wind 20 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers and thunderstorms likely before 11am, then a slight chance of showers between 11am and 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 79. Breezy, with a west wind 21 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Mostly cloudy, with a low around 58. Northwest wind 5 to 11 mph.
Juneteenth
Mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port William OH
 39.54°N 83.79°W (Elev. 997 ft)
Last Update:
7:04 pm EDT Jun 16, 2026
Forecast Valid:
10pm EDT Jun 16, 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