Flash Flood Warning 21, NWS Wilmington, OH

Issued

Jun 18, 2026, 2:24 AM EDT (06:24 UTC)

Expired

Jun 18, 2026, 5:49 AM EDT

In force

3 hr

Issued by

NWS Wilmington, OH

Area

Storm-based polygon

Flood severity

None

Counties Adams County, OH, Brown County, OH, Highland County, OH, Pike County, OH, Ross County, OH

The Cincinnati radar (KILN), 37 km from the middle of the area, began a volume at 06:25 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

066 
WGUS51 KILN 180624
FFWILN
OHC001-015-071-131-141-181000-
/O.NEW.KILN.FF.W.0021.260618T0624Z-260618T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wilmington OH
224 AM EDT Thu Jun 18 2026

The National Weather Service in Wilmington has issued a

* Flash Flood Warning for...
  Northern Adams County in south central Ohio...
  Highland County in south central Ohio...
  Pike County in south central Ohio...
  Southern Ross County in south central Ohio...
  Northeastern Brown County in southwestern Ohio...

* Until 600 AM EDT.

* At 224 AM EDT, radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. Between 
  1 and 2 inches of rain have fallen. Additional rainfall amounts of 
  1 to 1.5 inches are possible. Flash flooding is ongoing or 
  expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar and automated gauges.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that may experience flash flooding include...
  Hillsboro, Waverly, Mount Orab, Piketon, Lynchburg, Winchester, 
  Marshall, Sardinia, Seaman, Bainbridge, Cynthiana, Kincaid 
  Springs, Highland Holiday, Rocky Fork Point, Belfast, Pike Lake, 
  Russell, New Market, Emerald and Mowrystown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

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

&&

LAT...LON 3924 8387 3925 8383 3922 8384 3922 8381
      3925 8379 3930 8339 3926 8276 3904 8280
      3902 8327 3892 8352 3894 8388

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

35

518 
WGUS71 KILN 180949
FFSILN

Flash Flood Statement
National Weather Service Wilmington OH
549 AM EDT Thu Jun 18 2026

OHC001-015-071-131-141-180959-
/O.CAN.KILN.FF.W.0021.000000T0000Z-260618T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Adams OH-Brown OH-Highland OH-Pike OH-Ross OH-
549 AM EDT Thu Jun 18 2026

...FLASH FLOOD WARNING FOR NORTHERN ADAMS, HIGHLAND, PIKE, SOUTHERN 
ROSS AND NORTHEASTERN BROWN COUNTIES HAS BEEN REPLACED WITH A FLOOD 
WARNING...

&&

LAT...LON 3924 8387 3925 8383 3922 8384 3922 8381
      3925 8379 3930 8339 3926 8276 3904 8280
      3902 8327 3892 8352 3894 8388

$$

JDR

Flash Flood Warnings in Ohio, 2026Every flash flood warning in 2026

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.