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National Weather Service Forecast
Forecast issued at 4:00 am EDT Sep 11, 2026 by the National Weather Service Wilmington, OH

Forecast Discussion for ILN NWS Office Area Forecast Discussion National Weather Service Wilmington OH 642 AM EDT Fri Sep 11 2026 .WHAT HAS CHANGED... Included mention of heavy rainfall on 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
 
Today

Today: Mostly cloudy, with a high near 81. East wind around 6 mph.
Mostly Cloudy

Tonight

Tonight: A slight chance of showers after 1am.  Increasing clouds, with a low around 66. Light east wind.  Chance of precipitation is 20%.
Mostly Cloudy
then Slight
Chance
Showers
Saturday

Saturday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 83. Calm wind becoming south 5 to 7 mph in the afternoon.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Chance
T-storms
Saturday
Night
Saturday Night: A chance of thunderstorms, mainly before 7pm.  Mostly cloudy during the early evening, then becoming clear, with a low around 65. Calm wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Partly Cloudy
Sunday

Sunday: Mostly sunny, with a high near 86. Calm wind becoming west around 6 mph in the afternoon.
Mostly Sunny

Sunday
Night
Sunday Night: Partly cloudy, with a low around 63.
Partly Cloudy

Monday

Monday: Mostly sunny, with a high near 82.
Mostly Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 64.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 89.
Sunny

 
Hi 81 °F Lo 66 °F Hi 83 °F Lo 65 °F Hi 86 °F Lo 63 °F Hi 82 °F Lo 64 °F Hi 89 °F
48 Hour Temperature and Dew Point Forecast
DEW POINT: 60-64=Slightly Humid, 65-69=Humid, 70-74=Very Humid, 75-79=Oppressively Humid, 80 & Greater=Very Oppressively Humid
48 hour temperature forecast
48 Hour Precipitation Potential and Sky Cover Forecast
48 hour temperature forecast
48 Hour Rain and Thunder Forecast
48 hour precipitation forecast
48 Hour Snow Freezing Rain and Sleet Forecast
48 hour forecast
48 Hour Wind Forecast
48 hour temperature forecast
 
7 DAY HOURLY FORECAST TABLES & GRAPHS
 
Today through Thursday
 
  Today

Today: Mostly cloudy, with a high near 81. East wind around 6 mph.
Mostly Cloudy

  Hi 81 °F
 
Mostly cloudy, with a high near 81. East wind around 6 mph.
 
 
  Tonight

Tonight: A slight chance of showers after 1am.  Increasing clouds, with a low around 66. Light east wind.  Chance of precipitation is 20%.
Mostly Cloudy
then Slight
Chance
Showers
  Lo 66 °F
 
A slight chance of showers after 1am. Increasing clouds, with a low around 66. Light east wind. Chance of precipitation is 20%.
  Saturday

Saturday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 83. Calm wind becoming south 5 to 7 mph in the afternoon.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Chance
T-storms
  Hi 83 °F
 
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 83. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
 
 
  Saturday
Night
Saturday Night: A chance of thunderstorms, mainly before 7pm.  Mostly cloudy during the early evening, then becoming clear, with a low around 65. Calm wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Partly Cloudy
  Lo 65 °F
 
A chance of thunderstorms, mainly before 7pm. Mostly cloudy during the early evening, then becoming clear, with a low around 65. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  Sunday

Sunday: Mostly sunny, with a high near 86. Calm wind becoming west around 6 mph in the afternoon.
Mostly Sunny

  Hi 86 °F
 
Mostly sunny, with a high near 86. Calm wind becoming west around 6 mph in the afternoon.
 
 
  Sunday
Night
Sunday Night: Partly cloudy, with a low around 63.
Partly Cloudy

  Lo 63 °F
 
Partly cloudy, with a low around 63.
  Monday

Monday: Mostly sunny, with a high near 82.
Mostly Sunny

  Hi 82 °F
 
Mostly sunny, with a high near 82.
 
 
  Monday
Night
Monday Night: Mostly clear, with a low around 64.
Mostly Clear

  Lo 64 °F
 
Mostly clear, with a low around 64.
  Tuesday

Tuesday: Sunny, with a high near 89.
Sunny

  Hi 89 °F
 
Sunny, with a high near 89.
 
 
  Tuesday Night   A chance of showers before 2am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.   Wednesday   A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.  
 
  Wednesday Night   A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.   Thursday   Showers likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.  
 
 
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