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National Weather Service Forecast
Forecast issued at 5:56 am EDT May 20, 2026 by the National Weather Service Wilmington, OH
Hazardous Weather Outlook

Forecast Discussion for ILN NWS Office Area Forecast Discussion National Weather Service Wilmington OH 641 AM EDT Wed May 20 2026 .WHAT HAS CHANGED... Increased precipitation chances 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
 
This
Afternoon
This Afternoon: Showers and possibly a thunderstorm. High near 70. North wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers

 Tonight

Tonight: A chance of showers, mainly before 9pm. Mostly cloudy, with a low around 49. Northeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers

 Thursday

Thursday: Mostly sunny, with a high near 71. Northeast wind 11 to 13 mph.
Mostly Sunny

 Thursday
Night
Thursday Night: A chance of showers after 2am. Increasing clouds, with a low around 54. Northeast wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Clear
then Chance
Showers
 Friday

Friday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 73. Northeast wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Friday
Night
Friday Night: Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers

 Saturday

Saturday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Showers
Likely

 Saturday
Night
Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Chance
T-storms

 Sunday

Sunday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Chance
Showers then
Showers
Likely
 
Hi 70 °F Lo 49 °F Hi 71 °F Lo 54 °F Hi 73 °F Lo 63 °F Hi 80 °F Lo 63 °F Hi 82 °F
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7 DAY HOURLY FORECAST TABLES & GRAPHS
 
This Afternoon through Tuesday
 
  This
Afternoon
This Afternoon: Showers and possibly a thunderstorm. High near 70. North wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers

   Hi 70 °F
 
Showers and possibly a thunderstorm. High near 70. North wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		 
 
  Tonight

Tonight: A chance of showers, mainly before 9pm. Mostly cloudy, with a low around 49. Northeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers

 		  Lo 49 °F
 
A chance of showers, mainly before 9pm. Mostly cloudy, with a low around 49. Northeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible. 		  Thursday

Thursday: Mostly sunny, with a high near 71. Northeast wind 11 to 13 mph.
Mostly Sunny

 		  Hi 71 °F
 
Mostly sunny, with a high near 71. Northeast wind 11 to 13 mph. 		 
 
  Thursday
Night
Thursday Night: A chance of showers after 2am. Increasing clouds, with a low around 54. Northeast wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Clear
then Chance
Showers
 		  Lo 54 °F
 
A chance of showers after 2am. Increasing clouds, with a low around 54. Northeast wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible. 		  Friday

Friday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 73. Northeast wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 		  Hi 73 °F
 
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 73. Northeast wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. 		 
 
  Friday
Night
Friday Night: Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers

 		  Lo 63 °F
 
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. 		  Saturday

Saturday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Showers
Likely

 		  Hi 80 °F
 
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%. 		 
 
  Saturday
Night
Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Chance
T-storms

 		  Lo 63 °F
 
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%. 		  Sunday

Sunday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Chance
Showers then
Showers
Likely
 		  Hi 82 °F
 
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%. 		 
 
  Sunday Night   Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.   Memorial Day   Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.  
 
  Monday Night   A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.   Tuesday   A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.  
 
 
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