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National Weather Service Forecast
Forecast issued at 4:00 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 645 AM EDT Wed Sep 2 2026 .WHAT HAS CHANGED... Increased uncertainty in timing and strength of storms on Friday. Included the potential for locally heavy rain late in the week.
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
 
This
Afternoon
This Afternoon: Sunny, with a high near 95. Heat index values as high as 101. Southwest wind around 8 mph.
Sunny

Tonight

Tonight: 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. Calm wind becoming west around 6 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.
Chance
Showers

Friday
Night
Friday Night: A slight chance of showers and thunderstorms, then a chance of showers after 2am.  Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Slight Chance
T-storms 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

Sunday

Sunday: Sunny, with a high near 84.
Sunny

 
Hi 95 °F Lo 74 °F Hi 95 °F Lo 72 °F Hi 93 °F Lo 72 °F Hi 88 °F Lo 66 °F Hi 84 °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
 
This Afternoon through Tuesday
 
  This
Afternoon
This Afternoon: Sunny, with a high near 95. Heat index values as high as 101. Southwest wind around 8 mph.
Sunny

  Hi 95 °F
 
Sunny, with a high near 95. Heat index values as high as 101. Southwest wind around 8 mph.
 
 
  Tonight

Tonight: 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. Calm wind becoming west around 6 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.
Chance
Showers

  Hi 93 °F
 
A chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 93. Calm wind becoming west around 6 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.
 
 
  Friday
Night
Friday Night: A slight chance of showers and thunderstorms, then a chance of showers after 2am.  Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Slight Chance
T-storms then
Chance
Showers
  Lo 72 °F
 
A slight chance of showers and thunderstorms, then 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

Sunday: Sunny, with a high near 84.
Sunny

  Hi 84 °F
 
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.   Tuesday   Mostly sunny, with a high near 86.  
 
 
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