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National Weather Service Forecast
Forecast issued at 4:00 am EDT May 19, 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 245 AM EDT Tue May 19 2026 .WHAT HAS CHANGED... Continued to tweak Tuesday high temperatures slightly cooler from blended solution. Increased wind gusts this afternoon. Increased precip/thunderstorm chances across the far south early this morning.
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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
 
Today

Today: A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 88. Southwest wind 7 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
T-storms
 Tonight

Tonight: Showers and thunderstorms, mainly before 1am, then showers likely and possibly a thunderstorm after 2am. Low around 64. Southwest wind 5 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Wednesday

Wednesday: Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms, mainly between 11am and noon. Mostly cloudy, with a high near 72. North wind 7 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Slight Chance
T-storms
 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 50. Northeast wind around 10 mph.
Mostly Cloudy

 Thursday

Thursday: A slight chance of showers. Partly sunny, with a high near 70. Northeast wind around 11 mph. Chance of precipitation is 20%.
Slight Chance
Showers

 Thursday
Night
Thursday Night: A chance of showers after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy
then Chance
Showers
 Friday

Friday: Showers, with thunderstorms also possible after 2pm. High near 73. Chance of precipitation is 100%.
Showers

 Friday
Night
Friday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 62. Chance of precipitation is 90%.
Showers

 Saturday

Saturday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Showers
Likely
 
Hi 88 °F Lo 64 °F Hi 72 °F Lo 50 °F Hi 70 °F Lo 54 °F Hi 73 °F Lo 62 °F Hi 79 °F
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7 DAY HOURLY FORECAST TABLES & GRAPHS
 
Today through Memorial Day
 
  Today

Today: A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 88. Southwest wind 7 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
T-storms
   Hi 88 °F
 
A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 88. Southwest wind 7 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%. 		 
 
  Tonight

Tonight: Showers and thunderstorms, mainly before 1am, then showers likely and possibly a thunderstorm after 2am. Low around 64. Southwest wind 5 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 		  Lo 64 °F
 
Showers and thunderstorms, mainly before 1am, then showers likely and possibly a thunderstorm after 2am. Low around 64. Southwest wind 5 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. 		  Wednesday

Wednesday: Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms, mainly between 11am and noon. Mostly cloudy, with a high near 72. North wind 7 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Slight Chance
T-storms
 		  Hi 72 °F
 
Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms, mainly between 11am and noon. Mostly cloudy, with a high near 72. North wind 7 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		 
 
  Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 50. Northeast wind around 10 mph.
Mostly Cloudy

 		  Lo 50 °F
 
Mostly cloudy, with a low around 50. Northeast wind around 10 mph. 		  Thursday

Thursday: A slight chance of showers. Partly sunny, with a high near 70. Northeast wind around 11 mph. Chance of precipitation is 20%.
Slight Chance
Showers

 		  Hi 70 °F
 
A slight chance of showers. Partly sunny, with a high near 70. Northeast wind around 11 mph. Chance of precipitation is 20%. 		 
 
  Thursday
Night
Thursday Night: A chance of showers after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy
then Chance
Showers
 		  Lo 54 °F
 
A chance of showers after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible. 		  Friday

Friday: Showers, with thunderstorms also possible after 2pm. High near 73. Chance of precipitation is 100%.
Showers

 		  Hi 73 °F
 
Showers, with thunderstorms also possible after 2pm. High near 73. Chance of precipitation is 100%. 		 
 
  Friday
Night
Friday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 62. Chance of precipitation is 90%.
Showers

 		  Lo 62 °F
 
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 62. Chance of precipitation is 90%. 		  Saturday

Saturday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Showers
Likely

 		  Hi 79 °F
 
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%. 		 
 
  Saturday Night   A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.   Sunday   A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 30%.  
 
  Sunday Night   A chance of thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.   Memorial Day   A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.  
 
 
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