Alert archive / Kentucky / Tornado Warnings in 2026

Tornado Warning 24, NWS Wilmington, OH

June 18, 2026Grant County, Pendleton County, Kentucky

NWS Wilmington, OH issued this tornado warning at Jun 18, 2026, 4:17 AM EDT for Grant County, Pendleton County, Kentucky. It was in force for 28 min. 13 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 18, 2026, 4:17 AM EDT (08:17 UTC)
Expired
Jun 18, 2026, 4:45 AM EDT
In force
28 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Grant County, KY, Pendleton County, KY

The radar

The Cincinnati radar (KILN), 103 km from the middle of the area, began a volume at 08:19 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.

What was reported inside it

TimeReportWhereRemark
Jun 18, 4:18 AM EDTTORNADO2 Ssw Dry Ridge, KYThe National Weather Service confirmed an EF-1 tornado occurred during the early morning hours on June 18, 2026 north of Williamstown in Grant County, KY. The most notable damage was the complete destruction of multiple outbuildings, as well as substantial dam
Jun 18, 4:20 AM EDTTSTM WND DMG1 W Williamstown, KYTrees down, power lines down, minor damage to homes. Time taken from the caller.
Jun 18, 4:22 AM EDTTSTM WND DMG1 Nne Williamstown, KYRoof uplift and cinderblock walls damaged to body shop in the 500 block of Waterworks Road near Williamstown. Time estimated from Radar.
Jun 18, 4:22 AM EDTTSTM WND DMG1 Nnw Williamstown, KYAt least 20 trees were downed along Ridgelea Drive with snapped limbs.
Jun 18, 4:22 AM EDTTSTM WND DMG2 Nne Williamstown, KYTrees down. Roof damage to multiple structures.
Jun 18, 4:22 AM EDTTSTM WND DMGWilliamstown, KYAt least 20 trees were snapped at their trunks or had large limbs ripped off of them all down Falmouth Street just past the cemetery.
Jun 18, 4:22 AM EDTTSTM WND DMGWilliamstown, KYNumerous large tree branches were snapped at the Cherry Hill Pointe Mobile Home Park. Additionally, several residences sustained home damage like siding damage or broken windows from tree debris.
Jun 18, 4:23 AM EDTTSTM WND DMGWilliamstown, KYAt least 10 to 15 large trees were either snapped or uprooted within the Williamstown Cemetery grounds.
Jun 18, 4:26 AM EDTTSTM WND DMG3 Se Williamstown, KYSeveral trees and large tree limbs downed on Cynthiana Road.
Jun 18, 4:28 AM EDTTSTM WND DMG3 Wsw Falmouth, KYLarge branches from hard trees broken.
Jun 18, 4:28 AM EDTTSTM WND DMG6 Sw Falmouth, KYTrees uprooted.
Jun 18, 4:29 AM EDTTSTM WND DMG4 Ssw Falmouth, KYA couple of outbuildings had collapsed walls which led to complete failure of the structure.
Jun 18, 4:30 AM EDTTSTM WND DMG3 Sse Falmouth, KYNumerous trees down and a few outbuildings collapsed.

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

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this tornado warning; the first came 1 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 17, 10:13 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 8.3 hours before the alert went out and 105 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 00:00Z on 2026-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 136 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2026-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 427 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
136 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
1205 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
427 m²/s²
0-3 km storm-relative helicity
684 m²/s²
Significant tornado parameter
0.2
Supercell composite
3.4

Open this sounding in Storm Lab

The text

As transmitted.

298 
WFUS51 KILN 180817
TORILN
KYC081-191-180845-
/O.NEW.KILN.TO.W.0024.260618T0817Z-260618T0845Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington OH
417 AM EDT Thu Jun 18 2026

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  Northeastern Grant County in northern Kentucky...
  Central Pendleton County in northern Kentucky...

* Until 445 AM EDT.

* At 417 AM EDT, a severe thunderstorm capable of producing a tornado
  was located over Dry Ridge, moving east at 50 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Williamstown, Falmouth, Dry Ridge, Morgan, Goforth, Browning
  Corner, Stewartsville, Greenwood, Cherry Grove, Northcutt,
  Williamstown Lake, Lenoxburg, Knoxville, Kincaid Lake State Park,
  Catawba, and Gene Snyder Airport.

This includes I-75 in Kentucky between mile markers 152 and 161.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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

&&

LAT...LON 3858 8466 3872 8468 3878 8423 3862 8421
TIME...MOT...LOC 0817Z 264DEG 45KT 3866 8463 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Hatzos
2 follow-up statements
523 
WWUS51 KILN 180830
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
430 AM EDT Thu Jun 18 2026

KYC081-180839-
/O.CAN.KILN.TO.W.0024.000000T0000Z-260618T0845Z/
Grant KY-
430 AM EDT Thu Jun 18 2026

...THE TORNADO WARNING FOR NORTHEASTERN GRANT COUNTY IS CANCELLED...

The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 500 AM EDT for northern
Kentucky.

&&

LAT...LON 3873 8452 3874 8452 3878 8423 3862 8421
      3860 8449
TIME...MOT...LOC 0829Z 266DEG 46KT 3867 8442 

$$

KYC191-180845-
/O.CON.KILN.TO.W.0024.000000T0000Z-260618T0845Z/
Pendleton KY-
430 AM EDT Thu Jun 18 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 AM EDT FOR CENTRAL
PENDLETON COUNTY...

At 429 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Falmouth, moving east at 55 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Falmouth, Goforth, Knoxville, Kincaid Lake State Park, Browning
Corner, Catawba, Greenwood, Gene Snyder Airport, and Lenoxburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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

&&

LAT...LON 3873 8452 3874 8452 3878 8423 3862 8421
      3860 8449
TIME...MOT...LOC 0829Z 266DEG 46KT 3867 8442 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Hatzos
791 
WWUS51 KILN 180840
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
440 AM EDT Thu Jun 18 2026

KYC191-180849-
/O.EXP.KILN.TO.W.0024.000000T0000Z-260618T0845Z/
Pendleton KY-
440 AM EDT Thu Jun 18 2026

...THE TORNADO WARNING FOR CENTRAL PENDLETON COUNTY WILL EXPIRE AT
445 AM EDT...

While the thunderstorm no longer appears capable of producing a 
tornado, a severe thunderstorm warning remains in effect, with the 
potential for winds to 80 MPH.

A Tornado Watch remains in effect until 500 AM EDT for northern
Kentucky.

Please report previous tornadoes, wind damage or hail to the National
Weather Service by going to our website at weather.gov/iln and
submitting your report via social media.

&&

LAT...LON 3873 8452 3874 8452 3878 8423 3862 8421
      3860 8449
TIME...MOT...LOC 0839Z 264DEG 45KT 3868 8428 

$$

Hatzos

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, OH wrote its last area forecast discussion before this tornado warning went out at Jun 18, 3:36 AM EDT, 41 minutes earlier. Its key messages:

  • 1) Severe weather and flash flooding overnight. 2) Another system will bring a return of rain chances for the weekend.
Area forecast discussion, Jun 18, 3:36 AM EDT, 41 minutes before
Area Forecast Discussion
National Weather Service Wilmington OH
336 AM EDT Thu Jun 18 2026

.WHAT HAS CHANGED...
Cancelled northern part of the flood watch where heavier rain has
come to an end.

&&

.KEY MESSAGES...
1) Severe weather and flash flooding overnight.

2) Another system will bring a return of rain chances for the
weekend.

&&

.DISCUSSION...
KEY MESSAGE 1)

Thunderstorms continue to move across the region. Due to the
generally west to east motion, flash flooding will continue to be a
concern overnight. Due to this, continued the flood watch for flash
flooding.  With shear and strong winds with this system, damaging
winds and the potential for tornadoes will continue to be a concern.

KEY MESSAGE 2)

After some showers and isolated thunderstorms on Thursday, dry
conditions are expected for Friday. Precipitation chances return for
Saturday. There is some variability with this system which has kept
precipitation chances lower, however there is the potential for
showers and storms during the day. There is more model agreement on
Sunday with widespread precipitation moving through. There will be
the potential for some residual showers and storms Monday morning.

&&

.AVIATION /07Z THURSDAY THROUGH MONDAY/...
Thunderstorms will continue move across the TAF sites overnight.
There will be visibility reductions, reduced cigs, and gusty winds
with some of these storms. LLWS will also be possible overnight along
with gusty winds outside of thunderstorm activity as well.
Thunderstorms will gradually taper off and dry conditions are
expected for awhile for the daytime morning hours. Additional showers
will develop for the afternoon and have tempo shra in the TAFs.
Additional wind gusts are expected during the day before tapering off
in the evening. Dry conditions are generally expected overnight
Thursday night.

OUTLOOK...Thunderstorms possible Sunday and Monday.

&&

.ILN WATCHES/WARNINGS/ADVISORIES...
OH...Flood Watch until 10 AM EDT this morning for OHZ070-071-077>079-081.
KY...Flood Watch until 10 AM EDT this morning for KYZ089>099.
IN...Flood Watch until 10 AM EDT this morning for INZ066-073>075-080.

&&

DISCUSSION...08
AVIATION...08
Hazardous weather outlook, Jun 18, 3:40 AM EDT, 37 minutes before
Hazardous Weather Outlook
National Weather Service Wilmington OH
340 AM EDT Thu Jun 18 2026

INZ050-058-059-OHZ026-034-035-042>046-051>056-060>062-190745-
Wayne-Fayette-Union-Hardin-Mercer-Auglaize-Darke-Shelby-Logan-
Delaware-Miami-Champaign-Clark-Madison-Franklin-Licking-Preble-
Montgomery-Greene-
340 AM EDT Thu Jun 18 2026

This Hazardous Weather Outlook is for east central Indiana, central
Ohio and west central Ohio.

.DAY ONE...Today and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

KYZ100-OHZ063>065-072>074-080-082-088-190745-
Lewis-Fayette-Pickaway-Fairfield-Clinton-Ross-Hocking-Highland-Pike-
Scioto-
340 AM EDT Thu Jun 18 2026

This Hazardous Weather Outlook is for northeast Kentucky, central
Ohio, south central Ohio and southwest Ohio.

.DAY ONE...Today and tonight.

Severe thunderstorms will be possible early this morning. Damaging
wind is the primary threat. However, localized flash flooding and
isolated tornadoes are also possible.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

Spotters are asked to report significant weather when it is safe to
do so.

INZ066-073>075-080-KYZ089>099-OHZ070-071-077>079-081-190745-
Franklin-Ripley-Dearborn-Ohio-Switzerland-Carroll-Gallatin-Boone-
Kenton-Campbell-Owen-Grant-Pendleton-Bracken-Robertson-Mason-Butler-
Warren-Hamilton-Clermont-Brown-Adams-
340 AM EDT Thu Jun 18 2026

...FLOOD WATCH IN EFFECT UNTIL 10 AM EDT THIS MORNING...

This Hazardous Weather Outlook is for southeast Indiana, northern
Kentucky, south central Ohio and southwest Ohio.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

Severe thunderstorms will be possible early this morning. Damaging
wind and isolated tornadoes will be possible.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

Spotters are asked to report significant weather when it is safe to
do so.

In the hours before

Local storm report, Jun 18, 3:45 AM EDT, 32 minutes before
Preliminary Local Storm Report
National Weather Service Wilmington OH
345 AM EDT Thu Jun 18 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0103 AM     Flash Flood      3 W Versailles          39.08N 85.32W
06/18/2026                   Ripley             IN   911 Call Center

&&

JCG
Local storm report, Jun 18, 3:46 AM EDT, 31 minutes before
Preliminary Local Storm Report
National Weather Service Wilmington OH
346 AM EDT Thu Jun 18 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1240 AM     Tstm Wnd Dmg     1 SW Florence           38.99N 84.65W
06/18/2026                   Boone              KY   Emergency Mngr

            A roof sustained damage. Tornado possible.

&&
Local storm report, Jun 18, 3:51 AM EDT, 26 minutes before
Preliminary Local Storm Report
National Weather Service Wilmington OH
351 AM EDT Thu Jun 18 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0130 AM     Flash Flood      Aurora                  39.05N 84.90W
06/18/2026                   Dearborn           IN   Broadcast Media

            News footage of rushing water near the
            Hillforest House Museum.

&&
Local storm report, Jun 18, 3:55 AM EDT, 22 minutes before
Preliminary Local Storm Report
National Weather Service Wilmington OH
355 AM EDT Thu Jun 18 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0201 AM     Flash Flood      5 NW Oldenburg          39.39N 85.25W
06/18/2026                   Franklin           IN   911 Call Center

            Bullfork Road closed.

&&

JCG
Local storm report, Jun 18, 3:56 AM EDT, 21 minutes before
Preliminary Local Storm Report
National Weather Service Wilmington OH
356 AM EDT Thu Jun 18 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0130 AM     Flash Flood      3 WSW Saint Bernard     39.15N 84.54W
06/18/2026                   Hamilton           OH   Dept of Highways

            High water reported over portions of I-75,
            closing parts of the roadway.

&&
Local storm report, Jun 18, 4:14 AM EDT, 3 minutes before
Preliminary Local Storm Report
National Weather Service Wilmington OH
414 AM EDT Thu Jun 18 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0342 AM     Tstm Wnd Dmg     Carrollton              38.68N 85.18W
06/18/2026                   Carroll            KY   Trained Spotter

            Tree blown down. Time estimated via radar
            data.

&&

04

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 18, 12:10 AM EDTTornado WarningILNBoone, Gallatin, Kenton37 min
Jun 18, 12:34 AM EDTTornado WarningILNCampbell, Kenton41 min
Jun 18, 1:00 AM EDTFlash Flood Warning Considerable damage threatILNBoone, Campbell, Kenton5 hr
Jun 18, 2:59 AM EDTSpecial Weather StatementILNBoone, Kenton31 min
Jun 18, 3:30 AM EDTTornado WarningILNCarroll, Gallatin, Owen33 min
Jun 18, 3:52 AM EDTSevere Thunderstorm WarningILNBoone, Gallatin, Grant, Kenton, Owen38 min
Jun 18, 4:12 AM EDTSevere Thunderstorm WarningILNBracken, Campbell, Grant, Kenton, Pendleton, Robertson46 min
Jun 18, 4:35 AM EDTSevere Thunderstorm Warning Considerable damage threatILNBracken, Mason, Robertson41 min
Jun 18, 5:01 AM EDTSevere Thunderstorm Warning Considerable damage threatILNLewis59 min
Jun 18, 5:45 AM EDTAreal Flood AdvisoryILNBoone, Campbell, Kenton4 hr

Nearby

Tornado Warnings in Kentucky, 2026Every tornado warning in 2026Tornadoes in 2026

Sources

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.