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National Weather Service Forecast
Forecast issued at 4:00 pm EDT May 21, 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 211 PM EDT Thu May 21 2026 .WHAT HAS CHANGED... Continued to trend higher with pops Friday into Saturday.
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
 
Tonight

Tonight: Mostly cloudy, with a low around 53. Northeast wind 6 to 10 mph.
Mostly Cloudy

 Friday

Friday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 71. East wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Chance
Showers then
Showers
 Friday
Night
Friday Night: Showers and possibly a thunderstorm. Low around 61. East wind around 9 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Showers

 Saturday

Saturday: Showers, with thunderstorms also possible after 11am. High near 77. South wind 10 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers

 Saturday
Night
Saturday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Slight Chance
T-storms then
Slight Chance
Showers
 Sunday

Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Partly Sunny
then Chance
T-storms
 Sunday
Night
Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Chance
T-storms then
Chance
Showers
 Memorial
Day
Memorial Day: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
Chance
Showers then
Chance
T-storms
 Monday
Night
Monday Night: A chance of thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
 
Lo 53 °F Hi 71 °F Lo 61 °F Hi 77 °F Lo 59 °F Hi 80 °F Lo 62 °F Hi 80 °F Lo 63 °F
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Tonight through Wednesday Night
 
  Tonight

Tonight: Mostly cloudy, with a low around 53. Northeast wind 6 to 10 mph.
Mostly Cloudy

   Lo 53 °F
 
Mostly cloudy, with a low around 53. Northeast wind 6 to 10 mph. 		 
 
  Friday

Friday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 71. East wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Chance
Showers then
Showers
 		  Hi 71 °F
 
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 71. East wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. 		  Friday
Night
Friday Night: Showers and possibly a thunderstorm. Low around 61. East wind around 9 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Showers

 		  Lo 61 °F
 
Showers and possibly a thunderstorm. Low around 61. East wind around 9 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible. 		 
 
  Saturday

Saturday: Showers, with thunderstorms also possible after 11am. High near 77. South wind 10 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers

 		  Hi 77 °F
 
Showers, with thunderstorms also possible after 11am. High near 77. South wind 10 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		  Saturday
Night
Saturday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Slight Chance
T-storms then
Slight Chance
Showers
 		  Lo 59 °F
 
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%. 		 
 
  Sunday

Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Partly Sunny
then Chance
T-storms
 		  Hi 80 °F
 
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 50%. 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. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Chance
T-storms then
Chance
Showers
 		  Lo 62 °F
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%. 		 
 
  Memorial
Day
Memorial Day: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
Chance
Showers then
Chance
T-storms
 		  Hi 80 °F
 
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 50%. 		  Monday
Night
Monday Night: A chance of thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
 		  Lo 63 °F
 
A chance of thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%. 		 
 
  Tuesday   Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.   Tuesday Night   A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.  
 
  Wednesday   Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.   Wednesday Night   A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.  
 
 
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