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National Weather Service Forecast
Forecast issued at 2:16 am EDT Sep 2, 2026 by the National Weather Service Wilmington, OH
Hazardous Weather Outlook
Heat Advisory

Forecast Discussion for ILN NWS Office Area Forecast Discussion National Weather Service Wilmington OH 809 PM EDT Tue Sep 1 2026 .WHAT HAS CHANGED... Decreased temperatures from NBM and increased precipitation chances from NBM through Friday across portions of the area. Added severe mention in the HWO for Friday.
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: Clear, with a low around 73. Calm wind.
Clear

Wednesday

Wednesday: Sunny, with a high near 95. Heat index values as high as 101. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 74. Calm wind.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 95. Heat index values as high as 102. Calm wind becoming west 5 to 8 mph in the afternoon.
Sunny

Thursday
Night
Thursday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 20%.
Slight Chance
T-storms then
Slight Chance
Showers
Friday

Friday: A chance of showers and thunderstorms, mainly before 2pm.  Mostly sunny, with a high near 93. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers

Friday
Night
Friday Night: A chance of showers after 2am.  Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Partly Cloudy
then Chance
Showers
Saturday

Saturday: A chance of showers, with thunderstorms also possible after 8am.  Partly sunny, with a high near 88. Chance of precipitation is 40%.
Chance
T-storms

Saturday
Night
Saturday Night: Partly cloudy, with a low around 66.
Partly Cloudy

 
Lo 73 °F Hi 95 °F Lo 74 °F Hi 95 °F Lo 72 °F Hi 93 °F Lo 72 °F Hi 88 °F Lo 66 °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
 
Overnight through Monday Night
 
  Overnight

Overnight: Clear, with a low around 73. Calm wind.
Clear

  Lo 73 °F
 
Clear, with a low around 73. Calm wind.
 
 
  Wednesday

Wednesday: Sunny, with a high near 95. Heat index values as high as 101. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunny

  Hi 95 °F
 
Sunny, with a high near 95. Heat index values as high as 101. Calm wind becoming southwest 5 to 8 mph in the afternoon.
  Wednesday
Night
Wednesday Night: Mostly clear, with a low around 74. Calm wind.
Mostly Clear

  Lo 74 °F
 
Mostly clear, with a low around 74. Calm wind.
 
 
  Thursday

Thursday: Sunny, with a high near 95. Heat index values as high as 102. Calm wind becoming west 5 to 8 mph in the afternoon.
Sunny

  Hi 95 °F
 
Sunny, with a high near 95. Heat index values as high as 102. Calm wind becoming west 5 to 8 mph in the afternoon.
  Thursday
Night
Thursday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 20%.
Slight Chance
T-storms then
Slight Chance
Showers
  Lo 72 °F
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.
 
 
  Friday

Friday: A chance of showers and thunderstorms, mainly before 2pm.  Mostly sunny, with a high near 93. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers

  Hi 93 °F
 
A chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  Friday
Night
Friday Night: A chance of showers after 2am.  Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Partly Cloudy
then Chance
Showers
  Lo 72 °F
 
A chance of showers after 2am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
 
 
  Saturday

Saturday: A chance of showers, with thunderstorms also possible after 8am.  Partly sunny, with a high near 88. Chance of precipitation is 40%.
Chance
T-storms

  Hi 88 °F
 
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 88. Chance of precipitation is 40%.
  Saturday
Night
Saturday Night: Partly cloudy, with a low around 66.
Partly Cloudy

  Lo 66 °F
 
Partly cloudy, with a low around 66.
 
 
  Sunday   Sunny, with a high near 84.   Sunday Night   Mostly clear, with a low around 62.  
 
  Labor Day   Mostly sunny, with a high near 85.   Monday Night   Partly cloudy, with a low around 64.  
 
 
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