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National Weather Service Forecast
Forecast issued at 4:00 am EDT Jul 21, 2026 by the National Weather Service Wilmington, OH
Hazardous Weather Outlook

Forecast Discussion for ILN NWS Office Area Forecast Discussion National Weather Service Wilmington OH 629 AM EDT Tue Jul 21 2026 .WHAT HAS CHANGED... Flood Watch issued for this afternoon and evening across our southeast.
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: Showers and possibly a thunderstorm before 3pm, then showers and thunderstorms likely, mainly between 3pm and 5pm.  High near 86. West wind 11 to 14 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers then
T-storms
Tonight

Tonight: A chance of showers and thunderstorms, mainly before 9pm.  Partly cloudy, with a low around 64. West wind 5 to 9 mph becoming light northwest  after midnight.  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
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 75. North wind around 10 mph.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 55. North wind 3 to 7 mph.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 78. Northeast wind 3 to 8 mph.
Sunny

Thursday
Night
Thursday Night: Partly cloudy, with a low around 57.
Partly Cloudy

Friday

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

Friday
Night
Friday Night: Mostly cloudy, with a low around 63.
Mostly Cloudy

Saturday

Saturday: Mostly sunny, with a high near 85.
Mostly Sunny

 
Hi 86 °F Lo 64 °F Hi 75 °F Lo 55 °F Hi 78 °F Lo 57 °F Hi 82 °F Lo 63 °F Hi 85 °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 Monday
 
  Today

Today: Showers and possibly a thunderstorm before 3pm, then showers and thunderstorms likely, mainly between 3pm and 5pm.  High near 86. West wind 11 to 14 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers then
T-storms
  Hi 86 °F
 
Showers and possibly a thunderstorm before 3pm, then showers and thunderstorms likely, mainly between 3pm and 5pm. High near 86. West wind 11 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
 
 
  Tonight

Tonight: A chance of showers and thunderstorms, mainly before 9pm.  Partly cloudy, with a low around 64. West wind 5 to 9 mph becoming light northwest  after midnight.  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
Mostly Clear
  Lo 64 °F
 
A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 64. West wind 5 to 9 mph becoming light northwest after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  Wednesday

Wednesday: Sunny, with a high near 75. North wind around 10 mph.
Sunny

  Hi 75 °F
 
Sunny, with a high near 75. North wind around 10 mph.
 
 
  Wednesday
Night
Wednesday Night: Mostly clear, with a low around 55. North wind 3 to 7 mph.
Mostly Clear

  Lo 55 °F
 
Mostly clear, with a low around 55. North wind 3 to 7 mph.
  Thursday

Thursday: Sunny, with a high near 78. Northeast wind 3 to 8 mph.
Sunny

  Hi 78 °F
 
Sunny, with a high near 78. Northeast wind 3 to 8 mph.
 
 
  Thursday
Night
Thursday Night: Partly cloudy, with a low around 57.
Partly Cloudy

  Lo 57 °F
 
Partly cloudy, with a low around 57.
  Friday

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

  Hi 82 °F
 
Mostly sunny, with a high near 82.
 
 
  Friday
Night
Friday Night: Mostly cloudy, with a low around 63.
Mostly Cloudy

  Lo 63 °F
 
Mostly cloudy, with a low around 63.
  Saturday

Saturday: Mostly sunny, with a high near 85.
Mostly Sunny

  Hi 85 °F
 
Mostly sunny, with a high near 85.
 
 
  Saturday Night   Mostly clear, with a low around 66.   Sunday   Sunny, with a high near 89.  
 
  Sunday Night   A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.   Monday   Mostly sunny, with a high near 87.  
 
 
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