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National Weather Service Forecast
Forecast issued at 6:13 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 628 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
 
Today

Today: 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 falling to around 58 by 5pm. Southwest wind around 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
Tonight

Tonight: 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: Areas of frost after 5am.  Otherwise, partly cloudy, with a low around 34. North wind 6 to 10 mph.
Partly Cloudy
then Areas
Frost
Monday

Monday: Widespread frost, mainly before 8am.  Otherwise, sunny, with a high near 55. North wind around 6 mph.
Frost then
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

Wednesday

Wednesday: Mostly sunny, with a high near 76.
Mostly Sunny

 
Hi 73 °F Lo 38 °F Hi 59 °F Lo 34 °F Hi 55 °F Lo 38 °F Hi 74 °F Lo 56 °F Hi 76 °F
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7 DAY HOURLY FORECAST TABLES & GRAPHS
 
Today through Friday
 
  Today

Today: 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 falling to around 58 by 5pm. Southwest wind around 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 73 °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 falling to around 58 by 5pm. Southwest wind around 14 mph. Chance of precipitation is 100%. 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.  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: Areas of frost after 5am.  Otherwise, partly cloudy, with a low around 34. North wind 6 to 10 mph.
Partly Cloudy
then Areas
Frost
  Lo 34 °F
 
Areas of frost after 5am. Otherwise, partly cloudy, with a low around 34. North wind 6 to 10 mph.
  Monday

Monday: Widespread frost, mainly before 8am.  Otherwise, sunny, with a high near 55. North wind around 6 mph.
Frost then
Sunny
  Hi 55 °F
 
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 55. North wind around 6 mph.
 
 
  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

Wednesday: Mostly sunny, with a high near 76.
Mostly Sunny

  Hi 76 °F
 
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.   Friday   A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.  
 
 
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