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National Weather Service Forecast
Forecast issued at 4:00 am EDT Sep 13, 2026 by the National Weather Service Wilmington, OH
Hazardous Weather Outlook
Dense Fog Advisory

Forecast Discussion for ILN NWS Office Area Forecast Discussion National Weather Service Wilmington OH 315 AM EDT Sun Sep 13 2026 .WHAT HAS CHANGED... No significant changes.
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: A chance of showers and thunderstorms, mainly after 4pm.  Areas of dense fog before 10am.  Otherwise, increasing clouds, with a high near 86. Calm wind becoming west 5 to 8 mph in the afternoon.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Areas Dense
Fog then
Chance
T-storms
Tonight

Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm.  Partly cloudy, with a low around 57. North wind 7 to 9 mph.  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
Monday

Monday: Sunny, with a high near 76. Northeast wind 6 to 8 mph.
Sunny

Monday
Night
Monday Night: Partly cloudy, with a low around 57. Southeast wind 3 to 6 mph.
Partly Cloudy

Tuesday

Tuesday: Sunny, with a high near 90. South wind 3 to 7 mph.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 68.
Mostly Clear

Wednesday

Wednesday: Mostly sunny, with a high near 90.
Mostly Sunny

Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 69.
Partly Cloudy

Thursday

Thursday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Mostly Sunny
then Chance
T-storms
 
Hi 86 °F Lo 57 °F Hi 76 °F Lo 57 °F Hi 90 °F Lo 68 °F Hi 90 °F Lo 69 °F Hi 90 °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 Saturday
 
  Today

Today: A chance of showers and thunderstorms, mainly after 4pm.  Areas of dense fog before 10am.  Otherwise, increasing clouds, with a high near 86. Calm wind becoming west 5 to 8 mph in the afternoon.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Areas Dense
Fog then
Chance
T-storms
  Hi 86 °F
 
A chance of showers and thunderstorms, mainly after 4pm. Areas of dense fog before 10am. Otherwise, increasing clouds, with a high near 86. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
 
 
  Tonight

Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm.  Partly cloudy, with a low around 57. North wind 7 to 9 mph.  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 57 °F
 
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 57. North wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  Monday

Monday: Sunny, with a high near 76. Northeast wind 6 to 8 mph.
Sunny

  Hi 76 °F
 
Sunny, with a high near 76. Northeast wind 6 to 8 mph.
 
 
  Monday
Night
Monday Night: Partly cloudy, with a low around 57. Southeast wind 3 to 6 mph.
Partly Cloudy

  Lo 57 °F
 
Partly cloudy, with a low around 57. Southeast wind 3 to 6 mph.
  Tuesday

Tuesday: Sunny, with a high near 90. South wind 3 to 7 mph.
Sunny

  Hi 90 °F
 
Sunny, with a high near 90. South wind 3 to 7 mph.
 
 
  Tuesday
Night
Tuesday Night: Mostly clear, with a low around 68.
Mostly Clear

  Lo 68 °F
 
Mostly clear, with a low around 68.
  Wednesday

Wednesday: Mostly sunny, with a high near 90.
Mostly Sunny

  Hi 90 °F
 
Mostly sunny, with a high near 90.
 
 
  Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 69.
Partly Cloudy

  Lo 69 °F
 
Partly cloudy, with a low around 69.
  Thursday

Thursday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Mostly Sunny
then Chance
T-storms
  Hi 90 °F
 
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
 
 
  Thursday Night   A chance of showers and thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.   Friday   A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 40%.  
 
  Friday Night   A chance of showers. Partly cloudy, with a low around 64. Chance of precipitation is 30%.   Saturday   A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.  
 
 
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