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National Weather Service Forecast
Forecast issued at 12:32 pm EDT Aug 15, 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 659 AM EDT Sat Aug 15 2026 .WHAT HAS CHANGED... Flood watch expanded into south central Ohio.
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: A chance of showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind around 5 mph. 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

 Tonight

Tonight: A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 73. Light southeast 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

 Sunday

Sunday: A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 89. Heat index values as high as 100. West wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunny then
Chance
T-storms
 Sunday
Night
Sunday Night: A chance of showers and thunderstorms before midnight, then a chance of showers after 1am. Mostly cloudy, with a low around 71. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers
 Monday

Monday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Northwest wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers

 Monday
Night
Monday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Chance
Showers then
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 81.
Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 63.
Mostly Clear

 Wednesday

Wednesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Mostly Sunny
then Chance
T-storms
 
Hi 87 °F Lo 73 °F Hi 89 °F Lo 71 °F Hi 82 °F Lo 62 °F Hi 81 °F Lo 63 °F Hi 82 °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
 
This Afternoon through Friday
 
  This
Afternoon
This Afternoon: A chance of showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind around 5 mph. 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

   Hi 87 °F
 
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		 
 
  Tonight

Tonight: A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 73. Light southeast 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 73 °F
 
A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 73. Light southeast wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		  Sunday

Sunday: A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 89. Heat index values as high as 100. West wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunny then
Chance
T-storms
 		  Hi 89 °F
 
A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 89. Heat index values as high as 100. West wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. 		 
 
  Sunday
Night
Sunday Night: A chance of showers and thunderstorms before midnight, then a chance of showers after 1am. Mostly cloudy, with a low around 71. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers
 		  Lo 71 °F
 
A chance of showers and thunderstorms before midnight, then a chance of showers after 1am. Mostly cloudy, with a low around 71. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. 		  Monday

Monday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Northwest wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers

 		  Hi 82 °F
 
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Northwest wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. 		 
 
  Monday
Night
Monday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Chance
Showers then
Mostly Clear
 		  Lo 62 °F
 
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%. 		  Tuesday

Tuesday: Sunny, with a high near 81.
Sunny

 		  Hi 81 °F
 
Sunny, with a high near 81. 		 
 
  Tuesday
Night
Tuesday Night: Mostly clear, with a low around 63.
Mostly Clear

 		  Lo 63 °F
 
Mostly clear, with a low around 63. 		  Wednesday

Wednesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Mostly Sunny
then Chance
T-storms
 		  Hi 82 °F
 
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%. 		 
 
  Wednesday Night   A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.   Thursday   Mostly sunny, with a high near 75.  
 
  Thursday Night   Partly cloudy, with a low around 58.   Friday   Mostly sunny, with a high near 76.  
 
 
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