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National Weather Service Forecast
Forecast issued at 2:15 pm EDT Aug 12, 2026 by the National Weather Service Wilmington, OH
Hazardous Weather Outlook
Flood Watch
Flood Warning
Flood Warning

Forecast Discussion for ILN NWS Office Area Forecast Discussion National Weather Service Wilmington OH 1231 PM EDT Wed Aug 12 2026 .WHAT HAS CHANGED... Increased QPF across eastern Indiana/far western Ohio thru early evening. Severe weather threat is diminished today. Lowered todays high temperatures.
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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
 
This
Afternoon
This Afternoon: Showers and possibly a thunderstorm. High near 76. South wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
T-storms


 Tonight

Tonight: Showers and thunderstorms likely before 1am, then a chance of showers between 1am and 5am, then a slight chance of showers and thunderstorms after 5am. Patchy fog after 5am. Otherwise, cloudy, with a low around 68. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely then
Chance
Showers and
Patchy Fog
 Thursday

Thursday: A chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers and
Patchy Fog
then Chance
T-storms
 Thursday
Night
Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 68. Light northeast wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Chance
T-storms then
Showers
Likely
 Friday

Friday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86. Northeast wind 3 to 7 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

 Friday
Night
Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms

 Saturday

Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Partly Sunny
then Chance
T-storms

 Saturday
Night
Saturday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Chance
T-storms then
Partly Cloudy

 Sunday

Sunday: Mostly sunny, with a high near 90.
Mostly Sunny
 
Hi 76 °F Lo 68 °F Hi 85 °F Lo 68 °F Hi 86 °F Lo 68 °F Hi 88 °F Lo 71 °F Hi 90 °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: Showers and possibly a thunderstorm. High near 76. South wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
T-storms


   Hi 76 °F
 
Showers and possibly a thunderstorm. High near 76. South wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. 		 
 
  Tonight

Tonight: Showers and thunderstorms likely before 1am, then a chance of showers between 1am and 5am, then a slight chance of showers and thunderstorms after 5am. Patchy fog after 5am. Otherwise, cloudy, with a low around 68. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely then
Chance
Showers and
Patchy Fog
 		  Lo 68 °F
 
Showers and thunderstorms likely before 1am, then a chance of showers between 1am and 5am, then a slight chance of showers and thunderstorms after 5am. Patchy fog after 5am. Otherwise, cloudy, with a low around 68. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. 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, mainly after 1pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers and
Patchy Fog
then Chance
T-storms
 		  Hi 85 °F
 
A chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		 
 
  Thursday
Night
Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 68. Light northeast wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Chance
T-storms then
Showers
Likely
 		  Lo 68 °F
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 68. Light northeast wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. 		  Friday

Friday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86. Northeast wind 3 to 7 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

 		  Hi 86 °F
 
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86. Northeast wind 3 to 7 mph. Chance of precipitation is 60%. 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 and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms

 		  Lo 68 °F
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		  Saturday

Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Partly Sunny
then Chance
T-storms

 		  Hi 88 °F
 
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 30%. 		 
 
  Saturday
Night
Saturday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Chance
T-storms then
Partly Cloudy

 		  Lo 71 °F
 
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%. 		  Sunday

Sunday: Mostly sunny, with a high near 90.
Mostly Sunny


 		  Hi 90 °F
 
Mostly sunny, with a high near 90. 		 
 
  Sunday Night   A chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.   Monday   A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.  
 
  Monday Night   A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.   Tuesday   Mostly sunny, with a high near 83.  
 
 
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