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National Weather Service Forecast
Forecast issued at 4:00 am EDT Jul 17, 2026 by the National Weather Service Wilmington, OH
Hazardous Weather Outlook
Air Quality Alert

Forecast Discussion for ILN NWS Office Area Forecast Discussion National Weather Service Wilmington OH 625 AM EDT Fri Jul 17 2026 .WHAT HAS CHANGED... Marginal risk for severe thunderstorms added for today.
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
 
Today

Today: Showers and thunderstorms likely, mainly after 2pm. Areas of smoke before 1pm. Mostly cloudy, with a high near 90. Heat index values as high as 101. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely

 Tonight

Tonight: Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 73. Light and variable 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 then
Slight Chance
T-storms
 Saturday

Saturday: A chance of showers and thunderstorms, mainly after 10am. Mostly cloudy, with a high near 89. West wind 7 to 13 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms

 Saturday
Night
Saturday Night: Showers and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 2am. Low around 69. West wind 5 to 9 mph becoming light northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers then
Chance
Showers
 Sunday

Sunday: Sunny, with a high near 86. North wind around 7 mph.
Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 64.
Mostly Clear

 Monday

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

 Monday
Night
Monday Night: Partly cloudy, with a low around 72.
Partly Cloudy

 Tuesday

Tuesday: A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 90. Chance of precipitation is 50%.
Chance
T-storms
 
Hi 90 °F Lo 73 °F Hi 89 °F Lo 69 °F Hi 86 °F Lo 64 °F Hi 88 °F Lo 72 °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
 
Today through Thursday
 
  Today

Today: Showers and thunderstorms likely, mainly after 2pm. Areas of smoke before 1pm. Mostly cloudy, with a high near 90. Heat index values as high as 101. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely

   Hi 90 °F
 
Showers and thunderstorms likely, mainly after 2pm. Areas of smoke before 1pm. Mostly cloudy, with a high near 90. Heat index values as high as 101. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		 
 
  Tonight

Tonight: Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 73. Light and variable 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 then
Slight Chance
T-storms
 		  Lo 73 °F
 
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 73. Light and variable wind. Chance of precipitation is 60%. 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, mainly after 10am. Mostly cloudy, with a high near 89. West wind 7 to 13 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms

 		  Hi 89 °F
 
A chance of showers and thunderstorms, mainly after 10am. Mostly cloudy, with a high near 89. West wind 7 to 13 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		 
 
  Saturday
Night
Saturday Night: Showers and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 2am. Low around 69. West wind 5 to 9 mph becoming light northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers then
Chance
Showers
 		  Lo 69 °F
 
Showers and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 2am. Low around 69. West wind 5 to 9 mph becoming light northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		  Sunday

Sunday: Sunny, with a high near 86. North wind around 7 mph.
Sunny

 		  Hi 86 °F
 
Sunny, with a high near 86. North wind around 7 mph. 		 
 
  Sunday
Night
Sunday Night: Mostly clear, with a low around 64.
Mostly Clear

 		  Lo 64 °F
 
Mostly clear, with a low around 64. 		  Monday

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

 		  Hi 88 °F
 
Mostly sunny, with a high near 88. 		 
 
  Monday
Night
Monday Night: Partly cloudy, with a low around 72.
Partly Cloudy

 		  Lo 72 °F
 
Partly cloudy, with a low around 72. 		  Tuesday

Tuesday: A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 90. Chance of precipitation is 50%.
Chance
T-storms

 		  Hi 90 °F
 
A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 90. Chance of precipitation is 50%. 		 
 
  Tuesday Night   Partly cloudy, with a low around 66.   Wednesday   Sunny, with a high near 81.  
 
  Wednesday Night   Mostly clear, with a low around 60.   Thursday   Sunny, with a high near 81.  
 
 
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