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National Weather Service Forecast
Forecast issued at 2:53 am EDT Oct 12, 2026 by the National Weather Service Wilmington, OH
Hazardous Weather Outlook
Dense Fog Advisory

Forecast Discussion for ILN NWS Office Area Forecast Discussion National Weather Service Wilmington OH 330 AM EDT Mon Oct 12 2026 .WHAT HAS CHANGED... Expanded dense fog advisory. Increased QPF Wednesday into Wednesday night and tightened up temperature gradients during that time as well. Added severe, heavy rainfall, frost, and gusty winds to the HWO.
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: Areas of dense fog.  Otherwise, partly cloudy, with a low around 50. Calm wind.
Areas Dense
Fog
Columbus
Day
Columbus Day: Areas of dense fog before 11am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 81. Calm wind becoming south 5 to 9 mph in the afternoon.
Areas Dense
Fog then
Mostly Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 63. South wind around 6 mph.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 85. Southwest wind 7 to 13 mph.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 67. Southwest wind 5 to 7 mph.
Mostly Clear

Wednesday

Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.  High near 83. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Showers
Wednesday
Night
Wednesday Night: Showers, mainly before 2am.  Low around 62. Chance of precipitation is 80%.
Showers

Thursday

Thursday: Showers likely, mainly after 2pm.  Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Showers
Likely
Thursday
Night
Thursday Night: Showers likely, mainly before 2am.  Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Showers
Likely
 
Lo 50 °F Hi 81 °F Lo 63 °F Hi 85 °F Lo 67 °F Hi 83 °F Lo 62 °F Hi 73 °F Lo 57 °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 Saturday Night
 
  Overnight

Overnight: Areas of dense fog.  Otherwise, partly cloudy, with a low around 50. Calm wind.
Areas Dense
Fog
  Lo 50 °F
 
Areas of dense fog. Otherwise, partly cloudy, with a low around 50. Calm wind.
 
 
  Columbus
Day
Columbus Day: Areas of dense fog before 11am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 81. Calm wind becoming south 5 to 9 mph in the afternoon.
Areas Dense
Fog then
Mostly Sunny
  Hi 81 °F
 
Areas of dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 81. Calm wind becoming south 5 to 9 mph in the afternoon.
  Monday
Night
Monday Night: Mostly clear, with a low around 63. South wind around 6 mph.
Mostly Clear

  Lo 63 °F
 
Mostly clear, with a low around 63. South wind around 6 mph.
 
 
  Tuesday

Tuesday: Sunny, with a high near 85. Southwest wind 7 to 13 mph.
Sunny

  Hi 85 °F
 
Sunny, with a high near 85. Southwest wind 7 to 13 mph.
  Tuesday
Night
Tuesday Night: Mostly clear, with a low around 67. Southwest wind 5 to 7 mph.
Mostly Clear

  Lo 67 °F
 
Mostly clear, with a low around 67. Southwest wind 5 to 7 mph.
 
 
  Wednesday

Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.  High near 83. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Showers
  Hi 83 °F
 
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 83. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  Wednesday
Night
Wednesday Night: Showers, mainly before 2am.  Low around 62. Chance of precipitation is 80%.
Showers

  Lo 62 °F
 
Showers, mainly before 2am. Low around 62. Chance of precipitation is 80%.
 
 
  Thursday

Thursday: Showers likely, mainly after 2pm.  Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Showers
Likely
  Hi 73 °F
 
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
  Thursday
Night
Thursday Night: Showers likely, mainly before 2am.  Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Showers
Likely
  Lo 57 °F
 
Showers likely, mainly before 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
 
 
  Friday   A chance of showers before 2pm. Partly sunny, with a high near 64. Chance of precipitation is 30%.   Friday Night   Partly cloudy, with a low around 37.  
 
  Saturday   Sunny, with a high near 55.   Saturday Night   Clear, with a low around 33.  
 
 
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