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National Weather Service Forecast
Forecast issued at 4:00 am EDT Sep 1, 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 643 AM EDT Tue Sep 1 2026 .WHAT HAS CHANGED... Heat advisory extended into Thursday. Heat may linger into Friday before easing. Strong to severe storm potential for Thursday and possibly 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
 
Today

Today: Sunny, with a high near 95. Heat index values as high as 103. West wind 5 to 9 mph.
Sunny

Tonight

Tonight: Mostly clear, with a low around 73. Light southwest wind.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 96. Heat index values as high as 102. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 73. Calm wind.
Mostly Clear

Thursday

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

Thursday
Night
Thursday Night: A slight chance of showers and thunderstorms.  Mostly clear, with a low around 75. Chance of precipitation is 20%.
Slight Chance
T-storms then
Slight Chance
Showers
Friday

Friday: Mostly sunny, with a high near 93.
Mostly Sunny

Friday
Night
Friday Night: Partly cloudy, with a low around 71.
Partly Cloudy

Saturday

Saturday: Mostly sunny, with a high near 89.
Mostly Sunny

 
Hi 95 °F Lo 73 °F Hi 96 °F Lo 73 °F Hi 95 °F Lo 75 °F Hi 93 °F Lo 71 °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 Labor Day
 
  Today

Today: Sunny, with a high near 95. Heat index values as high as 103. West wind 5 to 9 mph.
Sunny

  Hi 95 °F
 
Sunny, with a high near 95. Heat index values as high as 103. West wind 5 to 9 mph.
 
 
  Tonight

Tonight: Mostly clear, with a low around 73. Light southwest wind.
Mostly Clear

  Lo 73 °F
 
Mostly clear, with a low around 73. Light southwest wind.
  Wednesday

Wednesday: Sunny, with a high near 96. Heat index values as high as 102. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunny

  Hi 96 °F
 
Sunny, with a high near 96. Heat index values as high as 102. Calm wind becoming southwest 5 to 8 mph in the afternoon.
 
 
  Wednesday
Night
Wednesday Night: Mostly clear, with a low around 73. Calm wind.
Mostly Clear

  Lo 73 °F
 
Mostly clear, with a low around 73. Calm wind.
  Thursday

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

  Hi 95 °F
 
Sunny, with a high near 95. Calm wind becoming west 5 to 8 mph in the afternoon.
 
 
  Thursday
Night
Thursday Night: A slight chance of showers and thunderstorms.  Mostly clear, with a low around 75. Chance of precipitation is 20%.
Slight Chance
T-storms then
Slight Chance
Showers
  Lo 75 °F
 
A slight chance of showers and thunderstorms. Mostly clear, with a low around 75. Chance of precipitation is 20%.
  Friday

Friday: Mostly sunny, with a high near 93.
Mostly Sunny

  Hi 93 °F
 
Mostly sunny, with a high near 93.
 
 
  Friday
Night
Friday Night: Partly cloudy, with a low around 71.
Partly Cloudy

  Lo 71 °F
 
Partly cloudy, with a low around 71.
  Saturday

Saturday: Mostly sunny, with a high near 89.
Mostly Sunny

  Hi 89 °F
 
Mostly sunny, with a high near 89.
 
 
  Saturday Night   Partly cloudy, with a low around 68.   Sunday   Mostly sunny, with a high near 86.  
 
  Sunday Night   Partly cloudy, with a low around 64.   Labor Day   Mostly sunny, with a high near 85.  
 
 
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