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National Weather Service Forecast
Forecast issued at 12:16 am EDT Aug 12, 2026 by the National Weather Service Wilmington, OH
Hazardous Weather Outlook
Flood Watch

Forecast Discussion for ILN NWS Office Area Forecast Discussion National Weather Service Wilmington OH Issued by National Weather Service Pittsburgh PA 743 PM EDT Tue Aug 11 2026 .WHAT HAS CHANGED... Flash flood risk has increased in some areas for tonight/early Wednesday.
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
 
Overnight

Overnight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 68. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely

 Wednesday

Wednesday: Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 86. Southwest wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
T-storms
Likely
 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers
 Thursday

Thursday: A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Chance
T-storms
 Thursday
Night
Thursday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 69. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers

 Friday

Friday: Showers and possibly a thunderstorm, mainly before 2pm, then a slight chance of showers and thunderstorms after 2pm. High near 86. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers

 Friday
Night
Friday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Chance
Showers

 Saturday

Saturday: Mostly sunny, with a high near 88.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 72.
Mostly Clear
 
Lo 68 °F Hi 86 °F Lo 68 °F Hi 85 °F Lo 69 °F Hi 86 °F Lo 68 °F Hi 88 °F Lo 72 °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
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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
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48 hour temperature forecast
 
7 DAY HOURLY FORECAST TABLES & GRAPHS
 
Overnight through Monday Night
 
  Overnight

Overnight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 68. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely

   Lo 68 °F
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 68. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		 
 
  Wednesday

Wednesday: Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 86. Southwest wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
T-storms
Likely
 		  Hi 86 °F
 
Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 86. Southwest wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		  Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers
 		  Lo 68 °F
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		 
 
  Thursday

Thursday: A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Chance
T-storms
 		  Hi 85 °F
 
A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		  Thursday
Night
Thursday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 69. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers

 		  Lo 69 °F
 
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 69. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. 		 
 
  Friday

Friday: Showers and possibly a thunderstorm, mainly before 2pm, then a slight chance of showers and thunderstorms after 2pm. High near 86. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers

 		  Hi 86 °F
 
Showers and possibly a thunderstorm, mainly before 2pm, then a slight chance of showers and thunderstorms after 2pm. High near 86. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		  Friday
Night
Friday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Chance
Showers

 		  Lo 68 °F
 
A chance of showers after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%. 		 
 
  Saturday

Saturday: Mostly sunny, with a high near 88.
Mostly Sunny

 		  Hi 88 °F
 
Mostly sunny, with a high near 88. 		  Saturday
Night
Saturday Night: Mostly clear, with a low around 72.
Mostly Clear

 		  Lo 72 °F
 
Mostly clear, with a low around 72. 		 
 
  Sunday   Sunny, with a high near 91.   Sunday Night   A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.  
 
  Monday   Mostly sunny, with a high near 84.   Monday Night   Mostly clear, with a low around 63.  
 
 
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