Alert archive / Ohio / Tornado Warnings in 2026

Tornado Warning 20, NWS Wilmington, OH

June 18, 2026Butler County, Hamilton County, Ohio; Dearborn County, Franklin County, Indiana

NWS Wilmington, OH issued this tornado warning at Jun 18, 2026, 1:25 AM EDT for Butler County, Hamilton County, Ohio; Dearborn County, Franklin County, Indiana. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 18, 2026, 1:25 AM EDT (05:25 UTC)
Expired
Jun 18, 2026, 2:00 AM EDT
In force
35 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Dearborn County, IN, Franklin County, IN, Butler County, OH, Hamilton County, OH

The radar

The Cincinnati radar (KILN), 82 km from the middle of the area, began a volume at 05:24 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this tornado warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

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, 5.4 hours before the alert went out and 84 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.

353 
WFUS51 KILN 180525
TORILN
INC029-047-OHC017-061-180600-
/O.NEW.KILN.TO.W.0020.260618T0525Z-260618T0600Z/

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

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  Southeastern Franklin County in southeastern Indiana...
  Northeastern Dearborn County in southeastern Indiana...
  Northwestern Hamilton County in southwestern Ohio...
  Southwestern Butler County in southwestern Ohio...

* Until 200 AM EDT.

* At 125 AM EDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles northwest of Harrison, moving east at 40 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...
  Hamilton, Fairfield, Forest Park, Springdale, Harrison, Ross,
  Williamsdale, Dunlap, Dry Ridge, Greenhills, Woodlawn, Reily, New
  Haven, New Miami, Glendale, Millville, St. Leon, Scipio, Cedar
  Grove, and Mount Carmel.

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 3929 8497 3944 8497 3947 8449 3926 8446
TIME...MOT...LOC 0525Z 268DEG 36KT 3935 8487 

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

$$

Campbell
3 follow-up statements
307 
WWUS51 KILN 180533
SVSILN

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

INC029-047-180543-
/O.CAN.KILN.TO.W.0020.000000T0000Z-260618T0600Z/
Franklin IN-Dearborn IN-
133 AM EDT Thu Jun 18 2026

...THE TORNADO WARNING FOR SOUTHEASTERN FRANKLIN AND NORTHEASTERN
DEARBORN COUNTIES 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 southeastern
Indiana...and southwestern Ohio.

&&

LAT...LON 3945 8482 3947 8449 3926 8446 3928 8482
TIME...MOT...LOC 0533Z 268DEG 36KT 3935 8476 

$$

OHC017-061-180600-
/O.CON.KILN.TO.W.0020.000000T0000Z-260618T0600Z/
Hamilton OH-Butler OH-
133 AM EDT Thu Jun 18 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM EDT FOR
NORTHWESTERN HAMILTON AND SOUTHWESTERN BUTLER COUNTIES...

At 133 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Ross, moving east at 40 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...
Hamilton, Fairfield, Forest Park, Springdale, Harrison, Ross,
Williamsdale, Dunlap, Dry Ridge, Greenhills, Woodlawn, Reily, New
Haven, New Miami, Glendale, Millville, Scipio, Mount Healthy Heights,
Pleasant Run Farm, and Mcgonigle.

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 3945 8482 3947 8449 3926 8446 3928 8482
TIME...MOT...LOC 0533Z 268DEG 36KT 3935 8476 

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

$$

Campbell
830 
WWUS51 KILN 180546
SVSILN

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

OHC017-061-180600-
/O.CON.KILN.TO.W.0020.000000T0000Z-260618T0600Z/
Hamilton OH-Butler OH-
146 AM EDT Thu Jun 18 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM EDT FOR NORTH
CENTRAL HAMILTON AND SOUTH CENTRAL BUTLER COUNTIES...

At 145 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Hamilton, moving east at 40 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...
Hamilton, Fairfield, Forest Park, Springdale, Ross, Williamsdale,
Dunlap, Dry Ridge, New Miami, Millville, Pleasant Run, Pleasant Run
Farm, New Baltimore, Mount Healthy Heights, New Burlington, and
Northgate.

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 3941 8468 3947 8449 3928 8446 3927 8466
      3927 8468
TIME...MOT...LOC 0545Z 268DEG 36KT 3935 8459 

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

$$

Campbell
574 
WWUS51 KILN 180555
SVSILN

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

OHC017-061-180605-
/O.EXP.KILN.TO.W.0020.000000T0000Z-260618T0600Z/
Hamilton OH-Butler OH-
155 AM EDT Thu Jun 18 2026

...THE TORNADO WARNING FOR NORTH CENTRAL HAMILTON AND SOUTH CENTRAL
BUTLER COUNTIES WILL EXPIRE AT 200 AM EDT...

The storm which prompted the warning has weakened below severe limits
and no longer appears capable of producing a tornado. Therefore, the
warning will be allowed to expire.

A Tornado Watch remains in effect until 500 AM EDT for southwestern
Ohio.

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 3941 8468 3947 8449 3928 8446 3927 8466
      3927 8468
TIME...MOT...LOC 0555Z 268DEG 36KT 3935 8447 

$$

Campbell

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 17, 9:50 PM EDT, 3 hours 35 minutes earlier. Its key messages:

  • 1) A deep low pressure system brings the chance for severe thunderstorms, flash flooding, and gusty winds overnight.
Area forecast discussion, Jun 17, 9:50 PM EDT, 3 hours 35 minutes before
Area Forecast Discussion
National Weather Service Wilmington OH
950 PM EDT Wed Jun 17 2026

.WHAT HAS CHANGED...
Expanded flood watch.

&&

.KEY MESSAGES...
1) A deep low pressure system brings the chance for severe
thunderstorms, flash flooding, and gusty winds overnight.

&&

.DISCUSSION...
KEY MESSAGE 1)

Showers and embedded thunderstorms continue to move across the area.
Severe thunderstorms are expected to move across the area overnight.
There is quite a bit of shear in addition to strong winds with this
system and therefore damaging winds and tornadoes will be a threat.
In addition, given a somewhat west to east orientation there will be
the potential for flash flooding as well and did some expansion of
the flood watch for flash flooding as well. Gusty winds will be
possible outside of thunderstorms and also during the day on Thursday
as well.

&&

.AVIATION /01Z THURSDAY THROUGH MONDAY/...
Rain showers with some embedded thunderstorms will continue to move
across the region this evening. During the overnight hours a broken
line of storms is expected to move through the TAF sites. Have tempo
IFR conditions along with thunderstorms and gusty winds. Went with
wind gusts around 35 to 40 knots as the storms move through, however
there is the potential for some higher gusts. Wind gusts are also
expected at times overnight outside of thunderstorms as well. LLWS is
expected too overnight.

Thunderstorms will move out of the TAF sites by morning and there
will be a brief decrease in winds although not expecting them to go
calm. Winds will pick up during the day on Thursday with additional
wind gusts. Cu are expected in addition to some mid and high clouds
on Thursday. Some scattered shower activity during the afternoon is
also possible.

OUTLOOK...Thunderstorms possible Sunday and Monday.

&&

.ILN WATCHES/WARNINGS/ADVISORIES...
OH...Flood Watch through Thursday morning for OHZ042-051-053-060>062-070-
     071-077>079-081.
KY...Flood Watch through Thursday morning for KYZ089>099.
IN...Flood Watch through Thursday morning for INZ050-058-059-066-073>075-
     080.

&&

DISCUSSION...08/04
AVIATION...08
Hazardous weather outlook, Jun 17, 9:29 PM EDT, 3 hours 56 minutes before
Hazardous Weather Outlook
National Weather Service Wilmington OH
929 PM EDT Wed Jun 17 2026

KYZ100-OHZ026-034-035-043>046-052-054>056-063>065-072>074-080-082-
088-190130-
Lewis-Hardin-Mercer-Auglaize-Shelby-Logan-Union-Delaware-Champaign-
Madison-Franklin-Licking-Fayette-Pickaway-Fairfield-Clinton-Ross-
Hocking-Highland-Pike-Scioto-
929 PM EDT Wed Jun 17 2026

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

.DAY ONE...Tonight.

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

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is likely overnight.

INZ050-058-059-066-073>075-080-KYZ089>099-OHZ042-051-053-060>062-070-
071-077>079-081-190130-
Wayne-Fayette-Union-Franklin-Ripley-Dearborn-Ohio-Switzerland-
Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant-Pendleton-Bracken-
Robertson-Mason-Darke-Miami-Clark-Preble-Montgomery-Greene-Butler-
Warren-Hamilton-Clermont-Brown-Adams-
929 PM EDT Wed Jun 17 2026

...FLOOD WATCH IN EFFECT THROUGH THURSDAY MORNING...

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

.DAY ONE...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 overnight. Damaging wind is
the primary threat along with the possibility for a few tornadoes.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

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

   Flood Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is likely overnight.

In the hours before

Special weather statement, Jun 17, 11:38 PM EDT, 1 hour 47 minutes before
Special Weather Statement
National Weather Service Wilmington OH
1138 PM EDT Wed Jun 17 2026

INZ073-180415-
Ripley IN-
1138 PM EDT Wed Jun 17 2026

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF RIPLEY COUNTY
THROUGH 1215 AM EDT...

At 1138 PM EDT, a strong thunderstorm was located 9 miles northeast
of Vernon, moving east at 35 mph.

HAZARD...Wind gusts up to 45 mph and very heavy rain.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Visibility will be poor and hydroplaning
         is possible.

Locations impacted include...
Versailles, Milan, Osgood, Holton, Friendship, Versailles Lake, Cross
Plains, Rexville, Otter Village, Benham, Olean, and New Marion.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a sturdy building.

Motorists should slow down and use extra caution.

A Tornado Watch remains in effect until 500 AM EDT for southeastern
Indiana.

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

&&

LAT...LON 3916 8544 3919 8509 3893 8514 3893 8520
      3892 8520 3893 8545
TIME...MOT...LOC 0338Z 279DEG 32KT 3905 8544

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...45 MPH

Hatzos
Local storm report, Jun 18, 1:12 AM EDT, 13 minutes before
Preliminary Local Storm Report
National Weather Service Wilmington OH
112 AM EDT Thu Jun 18 2026

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

1237 AM     Tstm Wnd Gst     2 SE Hebron             39.04N 84.67W
06/18/2026  M60 MPH          Boone              KY   ASOS

            ASOS station KCVG Cincinnati/Northern
            Kentucky International Airport.

&&
Local storm report, Jun 18, 1:19 AM EDT, 6 minutes before
Preliminary Local Storm Report
National Weather Service Wilmington OH
119 AM EDT Thu Jun 18 2026

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

0100 AM     Flood            2 SSE Norwood           39.14N 84.44W
06/18/2026                   Hamilton           OH   Emergency Mngr

            High water reported over roadways with
            vehicles stranded and water rescues
            underway.

&&
Local storm report, Jun 18, 1:24 AM EDT, 1 minute before
Preliminary Local Storm Report
National Weather Service Wilmington OH
124 AM EDT Thu Jun 18 2026

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

1156 PM     Tstm Wnd Dmg     5 S Versailles          39.00N 85.25W
06/17/2026                   Ripley             IN   Amateur Radio

            Several utility poles snapped and wires
            downed.

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 11:59 PM EDTTornado WarningILNButler, Montgomery, Preble, Warren31 min
Jun 18, 12:59 AM EDTTornado WarningILNClermont33 min
Jun 18, 1:00 AM EDTFlash Flood Warning Considerable damage threatILNHamilton5 hr
Jun 18, 1:04 AM EDTTornado WarningILNButler, Hamilton26 min
Jun 18, 1:20 AM EDTTornado WarningILNAdams, Brown, Highland40 min
Jun 18, 1:43 AM EDTFlash Flood Warning Considerable damage threatILNBrown, Clermont6 hr
Jun 18, 1:51 AM EDTSpecial Weather StatementILNHighland24 min
Jun 18, 2:01 AM EDTTornado WarningILNClinton, Warren16 min
Jun 18, 2:13 AM EDTAreal Flood AdvisoryILNButler, Clermont, Clinton, Greene, Hamilton, Montgomery and 2 more3 hr
Jun 18, 2:15 AM EDTSpecial Weather StatementILNPike30 min
Jun 18, 2:18 AM EDTSpecial Weather StatementILNClinton27 min
Jun 18, 2:24 AM EDTFlash Flood WarningILNAdams, Brown, Highland, Pike, Ross3 hr
Jun 18, 2:32 AM EDTAreal Flood AdvisoryILNClinton, Fayette, Highland3 hr
Jun 18, 2:39 AM EDTSpecial Weather StatementILNRoss36 min
Jun 18, 2:57 AM EDTSpecial Weather StatementILNClermont33 min
Jun 18, 3:36 AM EDTSevere Thunderstorm WarningILNHighland, Pike, Ross39 min
Jun 18, 3:42 AM EDTAreal Flood AdvisoryILNRoss5 hr
Jun 18, 4:00 AM EDTSevere Thunderstorm WarningILNAdams, Brown, Clermont, Highland22 min
Jun 18, 4:12 AM EDTSevere Thunderstorm WarningILNClermont46 min
Jun 18, 4:12 AM EDTTornado Warning Tornado observedILNAdams, Pike, Scioto33 min
Jun 18, 4:35 AM EDTSevere Thunderstorm Warning Considerable damage threatILNAdams, Brown41 min
Jun 18, 5:01 AM EDTSevere Thunderstorm Warning Considerable damage threatILNAdams, Scioto59 min
Jun 18, 5:26 AM EDTSevere Thunderstorm WarningILNAdams, Pike, Scioto43 min
Jun 18, 5:45 AM EDTAreal Flood AdvisoryILNHamilton4 hr
Jun 18, 5:49 AM EDTAreal Flood WarningILNAdams, Brown, Highland, Pike, Ross6 hr
Jun 18, 7:44 AM EDTAreal Flood WarningILNBrown, Clermont4 hr
Jun 17, 11:38 PM EDTSpecial Weather StatementILNRipley37 min
Jun 17, 11:49 PM EDTTornado WarningILNDearborn, Ohio, Ripley, Switzerland41 min
Jun 18, 12:10 AM EDTTornado WarningILNDearborn, Ohio, Switzerland37 min
Jun 18, 12:16 AM EDTFlash Flood Warning Considerable damage threatILNDearborn, Ohio, Ripley7 hr
Jun 18, 1:24 AM EDTFlash Flood Warning Considerable damage threatILNFranklin3 hr
Jun 18, 2:24 AM EDTSpecial Weather StatementILNRipley36 min
Jun 18, 2:59 AM EDTSpecial Weather StatementILNDearborn31 min
Jun 18, 3:30 AM EDTTornado WarningILNSwitzerland33 min
Jun 18, 3:52 AM EDTSevere Thunderstorm WarningILNSwitzerland38 min
Jun 18, 6:58 AM EDTAreal Flood WarningILNDearborn, Ripley11 hr

Nearby

Tornado Warnings in Ohio, 2026Tornado Warnings in Indiana, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.