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National Weather Service Forecast
Forecast issued at 4:24 am EDT Jul 18, 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 107 AM EDT Sat Jul 18 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, then showers likely and possibly a thunderstorm after 5pm.  Mostly sunny, with a high near 90. Heat index values as high as 100. West wind 5 to 13 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Showers
Likely
Tonight

Tonight: Showers and thunderstorms likely, mainly before midnight.  Mostly cloudy, with a low around 69. West wind 5 to 9 mph becoming light northwest  after midnight.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Slight Chance
T-storms
Sunday

Sunday: Mostly sunny, with a high near 85. Northeast wind around 6 mph.
Mostly Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 64. Northeast wind 3 to 5 mph.
Mostly Clear

Monday

Monday: Sunny, with a high near 88. Light and variable wind.
Sunny

Monday
Night
Monday Night: A chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 70. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Partly Cloudy
then Chance
T-storms
Tuesday

Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 89. Chance of precipitation is 80%.
Showers
Likely then
T-storms
Tuesday
Night
Tuesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am.  Low around 66. Chance of precipitation is 80%.
T-storms then
Chance
Showers
Wednesday

Wednesday: Sunny, with a high near 79.
Sunny

 
Hi 90 °F Lo 69 °F Hi 85 °F Lo 64 °F Hi 88 °F Lo 70 °F Hi 89 °F Lo 66 °F Hi 79 °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 Friday
 
  Today

Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm.  Mostly sunny, with a high near 90. Heat index values as high as 100. West wind 5 to 13 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Showers
Likely
  Hi 90 °F
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 90. Heat index values as high as 100. West wind 5 to 13 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
 
 
  Tonight

Tonight: Showers and thunderstorms likely, mainly before midnight.  Mostly cloudy, with a low around 69. West wind 5 to 9 mph becoming light northwest  after midnight.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Slight Chance
T-storms
  Lo 69 °F
 
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 69. West wind 5 to 9 mph becoming light northwest after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  Sunday

Sunday: Mostly sunny, with a high near 85. Northeast wind around 6 mph.
Mostly Sunny

  Hi 85 °F
 
Mostly sunny, with a high near 85. Northeast wind around 6 mph.
 
 
  Sunday
Night
Sunday Night: Mostly clear, with a low around 64. Northeast wind 3 to 5 mph.
Mostly Clear

  Lo 64 °F
 
Mostly clear, with a low around 64. Northeast wind 3 to 5 mph.
  Monday

Monday: Sunny, with a high near 88. Light and variable wind.
Sunny

  Hi 88 °F
 
Sunny, with a high near 88. Light and variable wind.
 
 
  Monday
Night
Monday Night: A chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 70. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Partly Cloudy
then Chance
T-storms
  Lo 70 °F
 
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 70. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  Tuesday

Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 89. Chance of precipitation is 80%.
Showers
Likely then
T-storms
  Hi 89 °F
 
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 89. Chance of precipitation is 80%.
 
 
  Tuesday
Night
Tuesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am.  Low around 66. Chance of precipitation is 80%.
T-storms then
Chance
Showers
  Lo 66 °F
 
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 66. Chance of precipitation is 80%.
  Wednesday

Wednesday: Sunny, with a high near 79.
Sunny

  Hi 79 °F
 
Sunny, with a high near 79.
 
 
  Wednesday Night   Mostly clear, with a low around 57.   Thursday   Sunny, with a high near 80.  
 
  Thursday Night   Mostly clear, with a low around 60.   Friday   Mostly sunny, with a high near 83.  
 
 
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