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National Weather Service Forecast
Forecast issued at 2:19 am 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 746 PM EDT Fri Aug 14 2026 .WHAT HAS CHANGED... Issued Flood Watch for Saturday afternoon and Saturday night for our northern areas. Made changes to precipitation chances through Saturday and added severe wording into the HWO for sunday.
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: Partly cloudy, with a low around 70. Calm wind.
Partly Cloudy

 Saturday

Saturday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Partly Sunny
then Showers
Likely
 Saturday
Night
Saturday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 73. Light southwest wind. 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

 Sunday

Sunday: A chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 89. West wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then Chance
T-storms
 Sunday
Night
Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Northwest wind 3 to 8 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers
 Monday

Monday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
Slight Chance
Showers then
Slight Chance
T-storms
 Monday
Night
Monday Night: Partly cloudy, with a low around 61.
Partly Cloudy

 Tuesday

Tuesday: Sunny, with a high near 83.
Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 63.
Mostly Clear
 
Lo 70 °F Hi 88 °F Lo 73 °F Hi 89 °F Lo 71 °F Hi 84 °F Lo 61 °F Hi 83 °F Lo 63 °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
 
Overnight through Thursday Night
 
  Overnight

Overnight: Partly cloudy, with a low around 70. Calm wind.
Partly Cloudy

   Lo 70 °F
 
Partly cloudy, with a low around 70. Calm wind. 		 
 
  Saturday

Saturday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Partly Sunny
then Showers
Likely
 		  Hi 88 °F
 
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. 		  Saturday
Night
Saturday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 73. Light southwest wind. 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

 		  Lo 73 °F
 
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 73. Light southwest 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 2pm. Partly sunny, with a high near 89. West wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then Chance
T-storms
 		  Hi 89 °F
 
A chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 89. West wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		  Sunday
Night
Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Northwest wind 3 to 8 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers
 		  Lo 71 °F
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Northwest wind 3 to 8 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		 
 
  Monday

Monday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
Slight Chance
Showers then
Slight Chance
T-storms
 		  Hi 84 °F
 
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%. 		  Monday
Night
Monday Night: Partly cloudy, with a low around 61.
Partly Cloudy

 		  Lo 61 °F
 
Partly cloudy, with a low around 61. 		 
 
  Tuesday

Tuesday: Sunny, with a high near 83.
Sunny

 		  Hi 83 °F
 
Sunny, with a high near 83. 		  Tuesday
Night
Tuesday Night: Mostly clear, with a low around 63.
Mostly Clear

 		  Lo 63 °F
 
Mostly clear, with a low around 63. 		 
 
  Wednesday   A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.   Wednesday Night   A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.  
 
  Thursday   Partly sunny, with a high near 80.   Thursday Night   Partly cloudy, with a low around 59.  
 
 
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