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National Weather Service Forecast
Forecast issued at 3:09 pm EDT Sep 2, 2026 by the National Weather Service Wilmington, OH
Hazardous Weather Outlook
Heat Advisory

Forecast Discussion for ILN NWS Office Area Forecast Discussion National Weather Service Wilmington OH 308 PM EDT Wed Sep 2 2026 .WHAT HAS CHANGED... No significant changes.
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4    D A Y    F O R E C A S T    A T    A    G L A N C E
 
Tonight

Tonight: Mostly clear, with a low around 75. West wind 5 to 7 mph becoming calm in the evening.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming west 5 to 8 mph in the morning.
Sunny

 Thursday
Night
Thursday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 20%.
Slight Chance
T-storms

 Friday

Friday: A chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 94. Heat index values as high as 102. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
 Friday
Night
Friday Night: A slight chance of showers, with thunderstorms also possible after 5am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.
Partly Cloudy
then Slight
Chance
T-storms
 Saturday

Saturday: A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Chance
T-storms
 Saturday
Night
Saturday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Chance
T-storms then
Partly Cloudy
 Sunday

Sunday: Mostly sunny, with a high near 85.
Mostly Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 62.
Mostly Clear
 
Lo 75 °F Hi 96 °F Lo 74 °F Hi 94 °F Lo 72 °F Hi 89 °F Lo 66 °F Hi 85 °F Lo 62 °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
 
Tonight through Tuesday Night
 
  Tonight

Tonight: Mostly clear, with a low around 75. West wind 5 to 7 mph becoming calm in the evening.
Mostly Clear

   Lo 75 °F
 
Mostly clear, with a low around 75. West wind 5 to 7 mph becoming calm in the evening. 		 
 
  Thursday

Thursday: Sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming west 5 to 8 mph in the morning.
Sunny

 		  Hi 96 °F
 
Sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming west 5 to 8 mph in the morning. 		  Thursday
Night
Thursday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 20%.
Slight Chance
T-storms

 		  Lo 74 °F
 
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 20%. 		 
 
  Friday

Friday: A chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 94. Heat index values as high as 102. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
 		  Hi 94 °F
 
A chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 94. Heat index values as high as 102. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 30%. 		  Friday
Night
Friday Night: A slight chance of showers, with thunderstorms also possible after 5am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.
Partly Cloudy
then Slight
Chance
T-storms
 		  Lo 72 °F
 
A slight chance of showers, with thunderstorms also possible after 5am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%. 		 
 
  Saturday

Saturday: A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Chance
T-storms
 		  Hi 89 °F
 
A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. 		  Saturday
Night
Saturday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Chance
T-storms then
Partly Cloudy
 		  Lo 66 °F
 
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%. 		 
 
  Sunday

Sunday: Mostly sunny, with a high near 85.
Mostly Sunny

 		  Hi 85 °F
 
Mostly sunny, with a high near 85. 		  Sunday
Night
Sunday Night: Mostly clear, with a low around 62.
Mostly Clear

 		  Lo 62 °F
 
Mostly clear, with a low around 62. 		 
 
  Labor Day   Mostly sunny, with a high near 86.   Monday Night   Partly cloudy, with a low around 65.  
 
  Tuesday   Mostly sunny, with a high near 88.   Tuesday Night   Partly cloudy, with a low around 68.  
 
 
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