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Areal Flood Advisory 0166
Issued by the Wilmington Forecast Office

Action Issued Starts Expiration
New 2026-08-12 07:11:10 2026-08-12 07:10:00 2026-08-12 10:15:00
Time Extended 2026-08-12 09:55:45 2026-08-12 13:15:00
Cancelled 2026-08-12 13:09:50 2026-08-12 13:15:00


Action: New
Issued At: 2026-08-12 07:11:10

432 
WGUS81 KILN 121210
FLSILN

Flood Advisory
National Weather Service Wilmington OH
810 AM EDT Wed Aug 12 2026

OHC011-037-107-109-135-149-121515-
/O.NEW.KILN.FA.Y.0166.260812T1210Z-260812T1515Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Auglaize OH-Darke OH-Mercer OH-Miami OH-Preble OH-Shelby OH-
810 AM EDT Wed Aug 12 2026

...FLOOD ADVISORY IN EFFECT UNTIL 1115 AM EDT THIS MORNING...

* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...Southwestern Auglaize County in west central Ohio...
  Darke County in west central Ohio...
  Mercer County in west central Ohio...
  Miami County in west central Ohio...
  Northeastern Preble County in west central Ohio...
  Western Shelby County in west central Ohio...

* WHEN...Until 1115 AM EDT.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.

* ADDITIONAL DETAILS...
  - At 810 AM EDT, radar indicated heavy rain due to thunderstorms.
    Minor flooding is ongoing or expected to begin shortly in the
    advisory area. Between 1 and 1.5 inches of rain have fallen.
    Additional rainfall amounts of 1 to 1.5 inches are possible.
  - Some locations that may experience flooding include...
    Troy, Piqua, Greenville, Celina, Tipp City, St. Marys, West
    Milton, Coldwater, New Bremen, Minster, Versailles, Covington,
    St. Henry, Arcanum, Newport, Bradford, Union City, Fort Loramie,
    Fort Recovery and Pleasant Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be aware of your surroundings and do not drive on flooded roads.

To report flooding, go to our website at weather.gov/iln and submit
your report via social media, when you can do so safely.

&&

LAT...LON 3992 8481 4065 8479 4064 8443 4035 8429
      3992 8410 3993 8427 3992 8439 3992 8449
      3991 8449 3991 8481

$$

JDR


Action: Time Extended
Issued At: 2026-08-12 09:55:45

524 
WGUS81 KILN 121455
FLSILN

Flood Advisory
National Weather Service Wilmington OH
1055 AM EDT Wed Aug 12 2026

OHC011-037-107-109-135-149-121815-
/O.EXT.KILN.FA.Y.0166.000000T0000Z-260812T1815Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Auglaize OH-Darke OH-Mercer OH-Miami OH-Preble OH-Shelby OH-
1055 AM EDT Wed Aug 12 2026

...FLOOD ADVISORY NOW IN EFFECT UNTIL 215 PM EDT THIS AFTERNOON...

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...Southwestern Auglaize County in west central Ohio...
  Darke County in west central Ohio...
  Mercer County in west central Ohio...
  Miami County in west central Ohio...
  Northeastern Preble County in west central Ohio...
  Western Shelby County in west central Ohio...

* WHEN...Until 215 PM EDT.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.

* ADDITIONAL DETAILS...
  - At 1054 AM EDT, local law enforcement has reported minor flooding
    in the advisory area. Between 2 and 3 inches of rain have fallen.
    Additional rainfall amounts of 1 to 1.5 inches are possible.
  - Some locations that may experience flooding include...
    Troy, Piqua, Greenville, Celina, Tipp City, St. Marys, West
    Milton, Coldwater, New Bremen, Minster, Versailles, Covington,
    St. Henry, Arcanum, Newport, Bradford, Union City, Fort Loramie,
    Fort Recovery and Pleasant Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be aware of your surroundings and do not drive on flooded roads.

To report flooding, go to our website at weather.gov/iln and submit
your report via social media, when you can do so safely.

&&

LAT...LON 3992 8481 4065 8479 4064 8443 4035 8429
      3992 8410 3993 8427 3992 8439 3992 8449
      3991 8449 3991 8481

$$

Aiena


Action: Cancelled
Issued At: 2026-08-12 13:09:50

728 
WGUS81 KILN 121809
FLSILN

Flood Advisory
National Weather Service Wilmington OH
209 PM EDT Wed Aug 12 2026

OHC011-037-107-109-135-149-121819-
/O.CAN.KILN.FA.Y.0166.000000T0000Z-260812T1815Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Auglaize OH-Darke OH-Mercer OH-Miami OH-Preble OH-Shelby OH-
209 PM EDT Wed Aug 12 2026

...FLOOD ADVISORY IS CANCELLED...

The Flood Advisory is cancelled for a portion of west central Ohio,
including the following areas, Auglaize, Darke, Mercer, Miami, Preble
and Shelby.

The threat for widespread flooding has increased over the area.
Therefore the Flood Advisory has been replaced by a Flood Warning.
Please refer to that bulletin for more information.

&&

LAT...LON 3992 8481 4065 8479 4064 8443 4035 8429
      3992 8410 3993 8427 3992 8439 3992 8449
      3991 8449 3991 8481

$$

Aiena



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