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National Weather Service Forecast
Forecast issued at 11:32 am EDT Sep 9, 2026 by the National Weather Service Wilmington, OH
Hazardous Weather Outlook

Forecast Discussion for ILN NWS Office Area Forecast Discussion National Weather Service Wilmington OH 518 AM EDT Wed Sep 9 2026 .WHAT HAS CHANGED... Timing for heaviest rainfall has shifted slightly, with higher totals now forecast for Thursday daytime hours.
See Full Discussion Here
4    D A Y    F O R E C A S T    A T    A    G L A N C E
 
This
Afternoon
This Afternoon: Sunny, with a high near 92. Heat index values as high as 100. Southwest wind around 14 mph.
Sunny

 Tonight

Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Low around 70. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Thursday

Thursday: Showers and possibly a thunderstorm. High near 79. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers

 Thursday
Night
Thursday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 9pm. Low around 63. Light northeast wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers then
Mostly Cloudy

 Friday

Friday: Partly sunny, with a high near 80. East wind 3 to 5 mph.
Partly Sunny

 Friday
Night
Friday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers

 Saturday

Saturday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Chance
Showers then
Chance
T-storms
 Saturday
Night
Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
 Sunday

Sunday: Partly sunny, with a high near 86.
Partly Sunny
 
Hi 92 °F Lo 70 °F Hi 79 °F Lo 63 °F Hi 80 °F Lo 65 °F Hi 84 °F Lo 67 °F Hi 86 °F
48 Hour Temperature and Dew Point Forecast
DEW POINT: 60-64=Slightly Humid, 65-69=Humid, 70-74=Very Humid, 75-79=Oppressively Humid, 80 & Greater=Very Oppressively Humid
48 hour temperature forecast
48 Hour Precipitation Potential and Sky Cover Forecast
48 hour temperature forecast
48 Hour Rain and Thunder Forecast
48 hour precipitation forecast
48 Hour Snow Freezing Rain and Sleet Forecast
48 hour forecast
48 Hour Wind Forecast
48 hour temperature forecast
 
7 DAY HOURLY FORECAST TABLES & GRAPHS
 
This Afternoon through Tuesday
 
  This
Afternoon
This Afternoon: Sunny, with a high near 92. Heat index values as high as 100. Southwest wind around 14 mph.
Sunny

   Hi 92 °F
 
Sunny, with a high near 92. Heat index values as high as 100. Southwest wind around 14 mph. 		 
 
  Tonight

Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Low around 70. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 		  Lo 70 °F
 
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Low around 70. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. 		  Thursday

Thursday: Showers and possibly a thunderstorm. High near 79. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers

 		  Hi 79 °F
 
Showers and possibly a thunderstorm. High near 79. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. 		 
 
  Thursday
Night
Thursday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 9pm. Low around 63. Light northeast wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers then
Mostly Cloudy

 		  Lo 63 °F
 
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 9pm. Low around 63. Light northeast wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		  Friday

Friday: Partly sunny, with a high near 80. East wind 3 to 5 mph.
Partly Sunny

 		  Hi 80 °F
 
Partly sunny, with a high near 80. East wind 3 to 5 mph. 		 
 
  Friday
Night
Friday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers

 		  Lo 65 °F
 
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible. 		  Saturday

Saturday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Chance
Showers then
Chance
T-storms
 		  Hi 84 °F
 
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%. 		 
 
  Saturday
Night
Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
 		  Lo 67 °F
 
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%. 		  Sunday

Sunday: Partly sunny, with a high near 86.
Partly Sunny

 		  Hi 86 °F
 
Partly sunny, with a high near 86. 		 
 
  Sunday Night   Partly cloudy, with a low around 66.   Monday   Mostly sunny, with a high near 87.  
 
  Monday Night   Partly cloudy, with a low around 69.   Tuesday   A chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 50%.  
 
 
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