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National Weather Service Forecast
Forecast issued at 4:00 am EDT Apr 18, 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 155 AM EDT Sat Apr 18 2026 .WHAT HAS CHANGED... The best chances for strong to severe thunderstorms today have shifted eastward.
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: A slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 64. South wind around 10 mph. Chance of precipitation is 20%.
Slight Chance
T-storms
 Saturday

Saturday: Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Temperature rising to near 71 by 10am, then falling to around 58 during the remainder of the day. Southwest wind 11 to 14 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers then
Showers
Likely
 Saturday
Night
Saturday Night: A chance of showers, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 38. Northwest wind 9 to 11 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers then
Partly Cloudy
 Sunday

Sunday: Increasing clouds, with a high near 59. West wind 6 to 15 mph, with gusts as high as 25 mph.
Increasing
Clouds
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 34. North wind 6 to 10 mph.
Partly Cloudy

 Monday

Monday: Sunny, with a high near 55.
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 38.
Mostly Clear

 Tuesday

Tuesday: Mostly sunny, with a high near 74.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 56.
Partly Cloudy
 
Lo 64 °F Hi 71 °F⇓ Lo 38 °F Hi 59 °F Lo 34 °F Hi 55 °F Lo 38 °F Hi 74 °F Lo 56 °F
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7 DAY HOURLY FORECAST TABLES & GRAPHS
 
Overnight through Thursday Night
 
  Overnight

Overnight: A slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 64. South wind around 10 mph. Chance of precipitation is 20%.
Slight Chance
T-storms
   Lo 64 °F
 
A slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 64. South wind around 10 mph. Chance of precipitation is 20%. 		 
 
  Saturday

Saturday: Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Temperature rising to near 71 by 10am, then falling to around 58 during the remainder of the day. Southwest wind 11 to 14 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers then
Showers
Likely
 		  Hi 71 °F⇓
 
Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Temperature rising to near 71 by 10am, then falling to around 58 during the remainder of the day. Southwest wind 11 to 14 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 		  Saturday
Night
Saturday Night: A chance of showers, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 38. Northwest wind 9 to 11 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers then
Partly Cloudy
 		  Lo 38 °F
 
A chance of showers, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 38. Northwest wind 9 to 11 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible. 		 
 
  Sunday

Sunday: Increasing clouds, with a high near 59. West wind 6 to 15 mph, with gusts as high as 25 mph.
Increasing
Clouds
 		  Hi 59 °F
 
Increasing clouds, with a high near 59. West wind 6 to 15 mph, with gusts as high as 25 mph. 		  Sunday
Night
Sunday Night: Partly cloudy, with a low around 34. North wind 6 to 10 mph.
Partly Cloudy

 		  Lo 34 °F
 
Partly cloudy, with a low around 34. North wind 6 to 10 mph. 		 
 
  Monday

Monday: Sunny, with a high near 55.
Sunny

 		  Hi 55 °F
 
Sunny, with a high near 55. 		  Monday
Night
Monday Night: Mostly clear, with a low around 38.
Mostly Clear

 		  Lo 38 °F
 
Mostly clear, with a low around 38. 		 
 
  Tuesday

Tuesday: Mostly sunny, with a high near 74.
Mostly Sunny

 		  Hi 74 °F
 
Mostly sunny, with a high near 74. 		  Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 56.
Partly Cloudy

 		  Lo 56 °F
 
Partly cloudy, with a low around 56. 		 
 
  Wednesday   Mostly sunny, with a high near 76.   Wednesday Night   Mostly clear, with a low around 55.  
 
  Thursday   Sunny, with a high near 83.   Thursday Night   Partly cloudy, with a low around 60.  
 
 
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