Tornadoes · United States · Ohio · 2026
EF1 tornado, Champaign County, Ohio, August 11, 2026
This EF1 tornado ran 3.6 miles across Champaign County on August 11, 2026, touching down at 9:30 AM EDT and reaching 200 yards wide. It killed nobody.
Preliminary. This is NWS ILN's damage survey, filed in the Damage Assessment Toolkit as SE of Urbana OH. The rating, the path and the casualties are the survey's and can change while it is revised. The Storm Prediction Center compiles the official record of 2026 from these surveys and publishes it in the spring of 2027; this page moves to that tornado's permanent address when it does.
The rating scale
Tracks are drawn in the color of the rating. The Enhanced Fujita scale rates the damage rather than measuring the wind: the speeds are what that damage is taken to imply.
EF065 to 85 mph
Light damage. Surface peeled off some roofs, gutters and siding damaged, branches broken, shallow-rooted trees pushed over.
EF186 to 110 mphthis tornado
Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.
EF2111 to 135 mph
Considerable damage. Roofs torn off well-built houses, frame homes shifted on their foundations, mobile homes destroyed, large trees snapped or uprooted, cars lifted off the ground.
EF3136 to 165 mph
Severe damage. Whole stories of well-built houses destroyed, large buildings badly damaged, trains overturned, trees debarked, heavy cars lifted and thrown.
EF4166 to 200 mph
Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.
EF5over 200 mph
Incredible damage. Strong frame houses swept off their foundations, car-sized missiles thrown more than 100 meters, steel-reinforced concrete badly damaged, high-rise buildings deformed.
Unrated
The survey recorded a tornado but could not put a number on it, most often because it crossed open country and damaged nothing a rating can be read from.
The survey
- Rating, as surveyed
- EF1, preliminary
- Date
- August 11, 2026
- Touchdown
- 9:30 AM EDT (13:30 UTC)
- Lifted
- 9:34 AM EDT (13:34 UTC)
- On the ground
- 4 minutes
- Path length
- 3.6 miles (5.7 km)
- Path width
- 200 yards (183 m)
- Deaths
- 0
- Injuries
- 0
- County
- Champaign County
- Touchdown point
- 40.066, -83.697
- Lift-off point
- 40.028, -83.651
- Highest wind the damage implies
- 110 mph
- Surveyed by
- NWS ILN
- The office's name for it
- SE of Urbana OH
- Survey last edited
- August 18, 2026
- Record number
- None yet. SPC numbers 2026 in the spring of 2027.
What the survey found
The National Weather Service in Wilmington Ohio has confirmed an EF-1 tornado southeast of Urbana in Champaign County Ohio.
Tornado damage was first noticed along a residence on Pisgah Road. The home had a portion of the roof lifted off along with siding damage. It was noticed that mud and debris were splattered on multiple sides of the house. A nearby barn was also destroyed. The tornado continued southeast, producing damage at a residence on Hurst Road, where a large section of the roof was removed. Winds producing the damage to this home were estimated to be up to 110 mph. Tree damage was also observed on the property.
The last known tornadic damage occurred just southeast, in the area of Catawba Station. On OH-54, or Virts Road, large tree branches were knocked down.
Other storm damage in Champaign County, including the Urbana area, was determined to be a result of straight-line winds.
The National Weather Service would like to thank the Champaign County Emergency Management Agency for their assistance with this storm damage survey.
Written by NWS ILN in the NWS Damage Assessment Toolkit. A survey is revised as better evidence arrives.
The damage survey
45 damage points were recorded along this path by NWS ILN, in the Damage Assessment Toolkit the survey teams carry. The strongest indicator was rated EF2. The highest wind the damage implies is 115 mph.
- Garage destroyed and roof lifted off
Survey points are preliminary and are the raw material the published rating was built from. Source: NWS Damage Assessment Toolkit.
The warnings
No tornado warning for this county appears in the archive as in force at the moment the tornado touched down. One was issued for the county at another hour that day.
The county was under a severe thunderstorm watch, issued at 12:43 UTC and running to 15:31 UTC.
| Issued (UTC) | Expired | Product | Office |
|---|---|---|---|
| 23:26 UTC | 03:56 UTC | Severe Thunderstorm Watch | ILN |
| 02:57 UTC | 03:15 UTC | Severe Thunderstorm Warning | ILN |
| 12:43 UTC | 15:31 UTC | Severe Thunderstorm Watch | ILN |
| 12:50 UTC | 13:30 UTC | Severe Thunderstorm Warning | ILN |
| 13:16 UTC | 16:15 UTC | Flood Advisory | ILN |
| 13:22 UTC | 13:57 UTC | Severe Thunderstorm Warning | ILN |
| 13:35 UTC | 13:44 UTC | Tornado Warning | ILN |
| 16:40 UTC | 21:56 UTC | Severe Thunderstorm Watch | ILN |
| 17:08 UTC | 17:45 UTC | Severe Thunderstorm Warning | ILN |
| 17:56 UTC | 18:09 UTC | Severe Thunderstorm Warning | ILN |
| 18:28 UTC | 19:30 UTC | Flood Advisory | ILN |
Every warning and watch covering the touchdown point that day, from the Iowa Environmental Mesonet's archive of National Weather Service products. Lead time is measured from the issue of the warning in force to the touchdown time in the database, both of which were recorded to the minute by different people.
The forecast that day
The Storm Prediction Center had this point in a Enhanced Risk, with a 0.02 chance of a tornado within 25 miles. The outlook in force was issued at 12:26 UTC.
SPC's Day 1 convective outlook as it stood when the tornado began, read at the touchdown point. The same archive is on the radar archive.
What forecasters said that day
The local office's own words before the tornado touched down, 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 the tornado touched down at Aug 11, 6:49 AM EDT, 2 hours 41 minutes earlier. Its key messages:
- 1) Increased threat for a significant damaging wind event across the area this afternoon and evening. 2) Increased threat for flash flooding across the area today through Wednesday morning. 3) Additional chances for thunderstorms and heavy rain are possible through the end of the week with drier weather attempting to return late Friday and into the weekend.
Area forecast discussion, Aug 11, 6:49 AM EDT, 2 hours 41 minutes before
Area Forecast Discussion
National Weather Service Wilmington OH
649 AM EDT Tue Aug 11 2026
.WHAT HAS CHANGED...
Due to the higher potential for impacts, the damaging wind and flash
flood threat have been separated into sections.
&&
.KEY MESSAGES...
1) Increased threat for a significant damaging wind event across the
area this afternoon and evening.
2) Increased threat for flash flooding across the area today through
Wednesday morning.
3) Additional chances for thunderstorms and heavy rain are possible
through the end of the week with drier weather attempting to return
late Friday and into the weekend.
&&
.DISCUSSION...
Morning update...
Latest satellite data shows an expansive area of cooling cloud tops
across northern Indiana as robust thunderstorms develop. This is the
second feature noted below. The evolution of this feature ahead of
the main line will play an important role in the higher-end scenario
for today. If this complex survives into the local area, this would
nudge the higher wind threat farther south. Wherever the northern
boundary of the highest instability resides, that will be the
northern extent of the more significant wind threat. More
specifically, this would decrease the potential for the significant
winds later today for locations like west-central Ohio into central
and south- central Ohio. Depending on how far south it advances, the
threat could be limited to southeast Indiana, southwest Ohio, and
portions of northern Kentucky. Check for updates throughout the day!
Previous discussion (3:29 AM)...
KEY MESSAGE 1) Now that the late evening and early overnight
thunderstorm complex has shifted southeast of the region, the
northern half of the area is currently in a stable cold pool air
mass, while the southern half is still considerable unstable.
Thunderstorms are beginning to form along a stalled boundary
currently placed across northern Indiana. If these thunderstorms
attempt to move southeast, they will encounter the cold pool air mass
previously mentioned. These storms would struggle to organize as a
result. Trends will be monitored over the next few hours, but this is
first feature which could play an important role in today's
significant wind threat potential.
The second feature is across southern Wisconsin and northern
Illinois. Near the northern tip of the low-level jet, thunderstorms
are beginning to develop. To the east and south of these storms,
undisturbed energy remains. While this is ahead of the better forcing
associated with the shortwave, the available energy to the south
would give it a much better chance to evolve into a more organized
storm complex into the morning hours.
If these two features remain on the weaker side, confidence would
become very high that the local area would see a widespread,
significant damaging wind event later this afternoon and evening. The
second feature has the better chance of organizing, therefore it
would likely have the biggest role to play in altering local impacts
from the higher-end scenario. There is also the potential where this
feature and the main event combine as they approach the local area.
As SPC notes in their discussion, all environmental parameters are
in place for a widespread, potentially significant damaging wind
event across the area. The timing is also optimal for the local area,
moving through during the peak of the diurnal instability (afternoon
into evening). Damaging wind gusts of 75+ mph are likely if a well-
organized MCS can develop and then move through the area. The major
limiting factor would be any earlier development ahead of this main
event. Despite the focus being on the more widespread damaging wind
event, embedded tornadoes within the squall-line would also be
possible, especially on the northern segment of the MCS. Large hail
could also occur in the deepest thunderstorms.
KEY MESSAGE 2)
Morning update...Flash flood watch expanded for the entire area.
Previous discussion (3:29 AM)...
The best chance for flash flooding across the northern portion of
the area would be if multiple rounds of thunderstorms occur later
this morning and through the afternoon. Then, if an organized MCS
moves through, multiple inches would have accumulated over this
region.
Of more increasing concern, after the MCS moves through, moisture
will continue to move into the region from the southwest. Back
building of thunderstorms along the stretched outflow will focus a
flash flood threat over a portion of the area. This activity could
continue well into Wednesday as the front stalls over southern
portions of the area. SPC HREF LPMM does support this potential over
south-central and southern Ohio, but there is a growing signal for
southeast Indiana, southwest Ohio and northern Kentucky (some of
these counties are outside the flood watch). Because this threat may
not evolve until later tonight and into Wednesday, the flood watch
has not been extended to include these areas quite yet. However, it
may be needed later today as confidence increases. If a back-building
scenario can develop, localized amounts of 5-7" are plausible as seen
from earlier events in Perry County OH this evening.
KEY MESSAGE 3)
Thursday and through the weekend, long-range guidance continues to
suggest an active pattern will continue over the Ohio Valley, but
some breaks are possible. This is largely due to a ridge of high
pressure over the middle and lower Mississippi River Valley feeding
moisture northward. The trough over southeast Canada is supplying a
steady amount of northwesterly upper level flow, increasing wind
shear over the region. There are signs this may breakdown as the
ridge builds northward over the upper Midwest into the weekend. This
would bring a surge of lower PWATs southward reducing rainfall
chances Friday into Saturday. Chances for thunderstorms increase to
round out the weekend.
&&
.AVIATION /12Z TUESDAY THROUGH SATURDAY/...
A new round of thunderstorms is beginning to form across northern
Indiana. This will likely progress southeastward into area TAF sites
between 13Z and 16Z. This could be the first of several rounds of
thunderstorms today. If conditions allow, there is the potential
for a line of significant winds gusts (75+ mph) this afternoon and
evening. Because there this threat for earlier rounds of
thunderstorms, PROB30 groups begin late this morning and into the
early afternoon. Because of the higher confidence late this afternoon
and evening, TEMPO groups have been added. Expect timing adjustments
throughout the day.
Otherwise winds are out of the southwest around 10 knots before
thunderstorm activity potentially influences them. Winds become more
westerly after 00Z as a front slides through the area.
OUTLOOK...Thunderstorms are possible at times through Friday.
&&
.ILN WATCHES/WARNINGS/ADVISORIES...
OH...Flood Watch through Wednesday morning for OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088.
KY...Flood Watch through Wednesday morning for KYZ089>100.
IN...Flood Watch through Wednesday morning for INZ050-058-059-066-
073>075-080.
&&
DISCUSSION...McGinnis
AVIATION...McGinnisHazardous weather outlook, Aug 11, 5:14 AM EDT, 4 hours 16 minutes before
Hazardous Weather Outlook National Weather Service Wilmington OH 514 AM EDT Tue Aug 11 2026 INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-120915- Wayne-Fayette-Union-Franklin-Ripley-Dearborn-Ohio-Switzerland- Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant-Pendleton-Bracken- Robertson-Mason-Lewis-Hardin-Mercer-Auglaize-Darke-Shelby-Logan- Delaware-Miami-Champaign-Clark-Madison-Licking-Preble-Montgomery- Greene-Pickaway-Fairfield-Butler-Warren-Clinton-Ross-Hocking- Hamilton-Clermont-Brown-Highland-Adams-Pike-Scioto- 514 AM EDT Tue Aug 11 2026 ...FLOOD WATCH IN EFFECT THROUGH WEDNESDAY MORNING... This Hazardous Weather Outlook is for east central Indiana, southeast Indiana, northeast Kentucky, northern Kentucky, central Ohio, south central Ohio, southwest Ohio and west central 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. Several rounds of thunderstorms are expected today. Damaging winds, potentially significant, may result in widespread damage and power outages. Isolated tornadoes cannot be ruled out. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. 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 may be needed.
In the hours before
Local storm report, Aug 11, 5:33 AM EDT, 3 hours 57 minutes before
Preliminary Local Storm Report
National Weather Service Wilmington OH
533 AM EDT Tue Aug 11 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0520 AM Flash Flood 2 SSE Downtown Columbus 39.93N 82.98W
08/11/2026 Franklin OH 911 Call Center
Multiple vehicles stranded in one to two
feet of water on Parsons Avenue south of
Stewart Avenue.
&&
nmLocal storm report, Aug 11, 7:06 AM EDT, 2 hours 24 minutes before
Preliminary Local Storm Report
National Weather Service Wilmington OH
706 AM EDT Tue Aug 11 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0645 AM Flash Flood 6 WNW Murray City 39.54N 82.28W
08/11/2026 Hocking OH 911 Call Center
High water over State Route 595 near
Gore-Greendale Road.
&&
nmSpecial weather statement, Aug 11, 8:34 AM EDT, 56 minutes before
Special Weather Statement
National Weather Service Wilmington OH
834 AM EDT Tue Aug 11 2026
OHZ026-035-044-045-111300-
Logan OH-Auglaize OH-Hardin OH-Union OH-
834 AM EDT Tue Aug 11 2026
...A RAPIDLY DEVELOPING THUNDERSTORM WILL IMPACT PORTIONS OF LOGAN
COUNTY IN WEST CENTRAL OHIO...NORTHWESTERN UNION COUNTY IN CENTRAL
OHIO...HARDIN AND EAST CENTRAL AUGLAIZE COUNTIES IN WEST CENTRAL OHIO
THROUGH 900 AM EDT...
At 834 AM EDT, a rapidly developing thunderstorm was located near
Chippewa Park, moving east at 45 mph.
HAZARD...Wind gusts up to 50 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Hail may cause minor damage to
vegetation.
Locations impacted include...
Bellefontaine, Kenton, Richwood, Russells Point, Lakeview, Alger,
Belle Center, West Mansfield, Chippewa Park, Northwood, Blanchard,
Roundhead, Mount Victory, Rushsylvania, Mcguffey, Huntsville,
Ridgeway, Zanesfield, Raymond, and New Jerusalem.
If outdoors, consider seeking shelter inside a sturdy building.
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 4070 8350 4070 8344 4069 8344 4069 8342
4051 8342 4050 8327 4028 8327 4037 8400
4073 8385 4077 8350
TIME...MOT...LOC 1234Z 277DEG 37KT 4054 8382
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH
JDRLocal storm report, Aug 11, 9:17 AM EDT, 13 minutes before
Preliminary Local Storm Report
National Weather Service Wilmington OH
917 AM EDT Tue Aug 11 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0906 AM Tstm Wnd Gst 2 NW Vandalia 39.91N 84.22W
08/11/2026 M46 MPH Montgomery OH ASOS
ASOS station KDAY Dayton International
Airport.
&&Local storm report, Aug 11, 9:22 AM EDT, 8 minutes before
Preliminary Local Storm Report
National Weather Service Wilmington OH
922 AM EDT Tue Aug 11 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0950 PM Tstm Wnd Dmg 1 W Rockford 40.69N 84.66W
08/10/2026 Mercer OH 911 Call Center
Trees and poles down along Rockford West
Road just west of Rockford. Time estimated
from Radar.
&&
JDRSpecial weather statement, Aug 11, 9:28 AM EDT, 2 minutes before
Special Weather Statement
National Weather Service Wilmington OH
928 AM EDT Tue Aug 11 2026
INZ050-058-059-066-OHZ060>062-070>072-111415-
Fayette IN-Wayne IN-Union IN-Franklin IN-Montgomery OH-Warren OH-
Clinton OH-Butler OH-Preble OH-Greene OH-
928 AM EDT Tue Aug 11 2026
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF FRANKLIN COUNTY IN
SOUTHEASTERN INDIANA...SOUTHERN WAYNE...UNION AND FAYETTE COUNTIES IN
EAST CENTRAL INDIANA...SOUTHERN PREBLE COUNTY IN WEST CENTRAL OHIO...
BUTLER...WARREN AND NORTHWESTERN CLINTON COUNTIES IN SOUTHWESTERN
OHIO...GREENE AND SOUTHERN MONTGOMERY COUNTIES IN WEST CENTRAL OHIO
THROUGH 1015 AM EDT...
At 928 AM EDT, strong thunderstorms were located along a line
extending from near Beavercreek to 8 miles north of Rushville, moving
southeast at 40 mph.
HAZARD...Wind gusts up to 40 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...
Dayton, Hamilton, Kettering, Middletown, Beavercreek, Fairfield,
Richmond, Fairborn, Mason, Xenia, Trotwood, Oxford, Miamisburg,
Lebanon, Springboro, Sharonville, Connersville, Wilmington, Monroe,
and Loveland.
This includes the following Interstates...
I-70 in Indiana between mile markers 134 and 136.
I-71 in Ohio between mile markers 20 and 61.
I-74 in Indiana between mile markers 145 and 148.
I-75 in Ohio between mile markers 18 and 55.
If outdoors, consider seeking shelter inside a sturdy building.
Motorists should slow down and use extra caution.
A Severe Thunderstorm Watch remains in effect until 200 PM EDT for
southeastern and east central Indiana...and southwestern and west
central Ohio.
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 3979 8530 3979 8522 3987 8522 3975 8477
3977 8424 3982 8383 3980 8382 3978 8365
3948 8368 3934 8396 3927 8424 3929 8427
3931 8461 3931 8522 3928 8530
TIME...MOT...LOC 1328Z 316DEG 34KT 3975 8402 3973 8540
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
KCThe air that afternoon
The radiosonde launches on either side of the tornado, from the nearest station that was launching then, drawn and analyzed the way Storm Lab does: the same diagram, the same parcel and shear definitions SPC's mesoanalysis uses.
Cncnati-Daytn, OH (KILN), 12:00Z
1.5 hours before the tornado, 69 km from the path. August 11, 2026.
- Mixed-layer CAPE
- 3952 J/kg
- Mixed-layer CIN
- -27 J/kg
- Surface CAPE
- 2863 J/kg
- Mixed-layer LCL
- 708 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 188 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 13.3
- 0-3 km lapse rate
- 5.3 K/km
Cncnati-Daytn, OH (KILN), 00:00Z
10.5 hours after it, 69 km from the path. August 12, 2026.
- Mixed-layer CAPE
- 12 J/kg
- Mixed-layer CIN
- -355 J/kg
- Surface CAPE
- 148 J/kg
- Mixed-layer LCL
- 997 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 258 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
- 0-3 km lapse rate
- 4.4 K/km
The surface observations
Urbana (I74), 12 km from the path, in the two hours either side.
| Time (UTC) | Temp (°F) | Dew point (°F) | Wind | Gust (kt) | Pressure (mb) | Weather |
|---|---|---|---|---|---|---|
| 11:35 UTC | 69.8 | 68 | 190° 3 kt | 1016.3 | ||
| 11:55 UTC | 69.8 | 69.8 | 190° 3 kt | 1016.3 | ||
| 12:15 UTC | 71.6 | 69.8 | 190° 5 kt | 1016.3 | ||
| 12:35 UTC | 71.6 | 71.6 | 200° 6 kt | 1015.2 | ||
| 12:55 UTC | 73.4 | 71.6 | 190° 4 kt | 1015.6 | ||
| 13:15 UTC | 73.4 | 71.6 | 200° 4 kt | 1015.9 | ||
| 13:35 UTC | 73.4 | 73.4 | 270° 8 kt | 1016.6 | RA |
From the Iowa Environmental Mesonet's archive of airport observations.
The radar
The Cincinnati radar (KILN), 71 km away, was scanning. The volume nearest the touchdown began at 13:29 UTC.
Open the radar archive at this moment, over the track
Reflectivity and velocity, decoded from the Level II archive in the browser. Volumes take a few seconds to open the first time.
What was reported nearby
Local storm reports within 60 km of the path, in the three hours either side.
| Time (UTC) | Report | Where | County | Remark |
|---|---|---|---|---|
| 13:06 UTC | TSTM WND GST 46 | 2 Nw Vandalia | Montgomery, OH | ASOS station KDAY Dayton International Airport. |
| 13:07 UTC | TSTM WND DMG | 1 Nnw Quincy | Logan, OH | Tree down along County Road 73. |
| 13:12 UTC | TSTM WND GST 47 | 2 Nw Vandalia | Montgomery, OH | ASOS station KDAY Dayton International Airport. |
| 13:17 UTC | TSTM WND DMG | 6 Nw Urbana | Champaign, OH | Numerous tree limbs downed, some tree top damage along a portion of Kizer Road. Time estimated by radar. |
| 13:23 UTC | TSTM WND DMG | 3 Ssw Urbana | Champaign, OH | multiple trees down. |
| 13:23 UTC | TSTM WND DMG | Urbana | Champaign, OH | Large trees snapped on Church Street. Photos posted on social media. |
| 13:24 UTC | TSTM WND DMG | 4 Ssw Urbana | Champaign, OH | 6-7 trees down on property on Lookout Court. |
| 13:24 UTC | TORNADO | 2 Ene Tremont City | Clark, OH | EF0 tornado confirmed north of Springfield in Clark County, Ohio. Maximum winds of 80 MPH. Semi trailer flipped and damage to trees. |
| 13:25 UTC | TSTM WND DMG | 3 Wnw Urbana | Champaign, OH | DOZENS OF TREES BLOWN DOWN. TIME ESTIMATED FROM RADAR DATA. |
| 13:26 UTC | TSTM WND DMG | 1 Nne Springfield | Clark, OH | Downed Trees off of Ridge Road in Springfield, some laying on top of houses. |
| 13:26 UTC | TSTM WND DMG | 1 Sse Urbana | Champaign, OH | Damage at the Champaign County Fairgrounds. Numerous tents overturned and collapsed. Several trees and large tree limbs downed. |
| 13:27 UTC | TSTM WND DMG | 2 Wsw Mutual | Champaign, OH | Uprooted tree. |
| 13:27 UTC | TSTM WND DMG | 5 S Urbana | Champaign, OH | Several large pine trees snapped and fell on a house on Knight Road, causing damage to the roof and garage. |
| 13:29 UTC | TSTM WND DMG | 4 Wnw Catawba | Clark, OH | Large tree downed on a house on the 5200 block of E County Line Road. |
| 13:29 UTC | TSTM WND DMG | 5 W Catawba | Clark, OH | Large tree downed on a house and two vehicles on the 4500 block of South Plateau Drive. |
| 13:30 UTC | TSTM WND DMG | 4 Wnw Catawba | Champaign, OH | A barn had part of its roof removed on the north side of E County Line Road. A few tree limbs downed. |
| 13:30 UTC | TORNADO | 3 Wsw Mutual | Champaign, OH | EF1 tornado confirmed southeast of Urbana in Champaign County, Ohio. Maximum winds of 110 MPH. Damage to trees and a few homes. |
| 13:31 UTC | TSTM WND DMG | 3 Sw Mutual | Champaign, OH | Numerous trees down on Everett Road property. Possible tornado. |
| 13:31 UTC | TORNADO | 3 Ene Springfield | Clark, OH | EF1 tornado confirmed east of Springfield in Clark County, Ohio. Maximum winds of 100 MPH. Tree damage, with a few barns destroyed, and a garage removed from a house. |
| 13:32 UTC | TSTM WND DMG | 3 Sw Mutual | Champaign, OH | Significant structural damage near 4000 block of Hurst Road. Roof removed from home. Possible tornado. Time estimated by radar. |
| 13:33 UTC | TORNADO | 1 Wsw Catawba | Clark, OH | EF2 tornado confirmed south of Catawba in Clark County, Ohio. Maximum winds of 115 MPH. One home had its roof completely removed. Several outbuildings were damaged. |
| 13:36 UTC | TSTM WND DMG | Catawba | Clark, OH | Several trees downed in the village of Catawba. |
| 13:42 UTC | TSTM WND DMG | Choctaw Lake | Madison, OH | Numerous trees down in Choctaw Lake. Possible tornado. |
| 13:42 UTC | TSTM WND DMG | Choctaw Lake | Madison, OH | Numerous trees down on east side of Choctaw Lake. |
| 13:44 UTC | TORNADO | 1 N Choctaw Lake | Madison, OH | EF1 tornado confirmed on the northwest side of Choctaw Lake in Madison County, Ohio. Maximum winds of 90 MPH. Damage to numerous trees, with minor damage to a few homes. |
| 13:48 UTC | TSTM WND DMG | 5 Ssw Plain City | Madison, OH | Trees and power lines down on US42 property. |
| 13:50 UTC | TSTM WND DMG | 3 Sse Plain City | Madison, OH | Barn destroyed at Nursery. |
| 13:51 UTC | TORNADO | 2 Sse Plain City | Madison, OH | EF0 tornado confirmed southeast of Plain City, Ohio. Maximum winds of 80 MPH. Tree and barn damage was observed along the path of the tornado. |
| 13:53 UTC | TSTM WND DMG | 5 Ese London | Madison, OH | An unattached garage had part of its roof uplifted on Jones Marsh Road. One tree uprooted and several large branches downed. |
| 13:55 UTC | TSTM WND DMG | Hilliard | Franklin, OH | Numerous tree limbs down in Hilliard center. |
| 13:58 UTC | TSTM WND DMG | 1 E Hilliard | Franklin, OH | Large tree downed along 4000 block of Leap Road. Time estimated by radar. |
| 13:58 UTC | TSTM WND DMG | 2 Ene Hilliard | Franklin, OH | Numerous trees were snapped or had significant limb damage throughout the neighborhood in between Trueman Boulevard and Dublin Road. |
| 13:58 UTC | TSTM WND DMG | 2 Ene Hilliard | Franklin, OH | Uprooted tree. |
| 13:58 UTC | TSTM WND DMG | 2 Sw Dublin | Franklin, OH | Numerous trees down and roof damage to buildings between Frantz and Blazer. |
| 13:58 UTC | TSTM WND DMG | 3 Ene Hilliard | Franklin, OH | Basketball pole snapped on Ridgewood Drive. |
| 14:00 UTC | TSTM WND DMG | 1 Ssw Dublin | Franklin, OH | Large tree uprooted at Rings Road and Settlers Place. |
| 14:02 UTC | TSTM WND DMG | 1 Nnw Upper Arlington | Franklin, OH | Downed trees at Reed and McCoy. |
| 14:02 UTC | TSTM WND DMG | 2 Ese Dublin | Franklin, OH | Structural damage to Medcomm building. |
| 14:02 UTC | TSTM WND DMG | 3 Se Dublin | Franklin, OH | Tree downed and lamp post bent on Sandman Drive near Case Road. |
| 14:02 UTC | TSTM WND DMG | Upper Arlington | Franklin, OH | Numerous trees down on Kentwell Road. |
From the Iowa Environmental Mesonet's archive of National Weather Service local storm reports.
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The live radar over the trackEvery 2026 tornado in OhioEvery tornado in Ohio since 1950Warnings in force in Ohio nowThe forecast where you are
The other tornadoes of August 11, 2026
28 more have been surveyed in the United States that day, so far.
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|---|---|---|---|---|---|---|---|
| August 11 | 7:58 AM EDT | EF0 | Jay, IN | 0.6 | 15 | |||
| August 11 | 7:31 AM CDT | EF1 | Delaware, IA | 2.4 | 150 | |||
| August 11 | 7:44 AM CDT | EF1 | Delaware, IA | 1.5 | 100 | |||
| August 11 | 7:45 AM CDT | EF1 | Delaware, IA | 2.6 | 75 | |||
| August 11 | 9:24 AM EDT | EF0 | Clark, OH | 4.5 | 150 | |||
| August 11 | 8:29 AM CDT | EF0 | Clinton, IA | 0.3 | 50 | |||
| August 11 | 9:31 AM EDT | EF1 | Clark, OH | 9.2 | 200 | |||
| August 11 | 9:33 AM EDT | EF2 | Clark, OH | 3.5 | 400 | |||
| August 11 | 9:44 AM EDT | EF1 | Madison, OH | 0.8 | 125 | |||
| August 11 | 9:51 AM EDT | EF0 | Madison, OH | 1.2 | 100 | |||
| August 11 | 10:05 AM EDT | EF0 | Franklin, OH | 2.7 | 150 | 2 | ||
| August 11 | 10:05 AM EDT | EF1 | Franklin, OH | 1.8 | 100 | |||
| August 11 | 10:08 AM EDT | EF1 | Franklin, OH | 1.3 | 150 | |||
| August 11 | 10:14 AM CDT | EF0 | Kendall, IL | 5.4 | 150 | |||
| August 11 | 10:20 AM CDT | EF0 | Grundy, IL | 1.6 | 250 | |||
| August 11 | 10:23 AM CDT | EF0 | Grundy, IL | 2.2 | 150 | |||
| August 11 | 10:37 AM CDT | EF1 | Will, IL | 1.5 | 150 | |||
| August 11 | 10:39 AM CDT | EF1 | Will, IL | 7.6 | 200 | |||
| August 11 | 10:41 AM CDT | EF1 | Cook, IL to IN | 22.5 | 300 | |||
| August 11 | 10:43 AM CDT | EF2 | Will, IL to IN | 26.2 | 500 | |||
| August 11 | 10:55 AM CDT | EF1 | Cook, IL | 3.3 | 300 | |||
| August 11 | 3:13 PM EDT | EF1 | Butler, OH | 11.3 | 500 | |||
| August 11 | 3:47 PM EDT | EF0 | Clermont, OH | 5.2 | 200 | |||
| August 11 | 3:49 PM EDT | EF0 | Clermont, OH | 5.5 | 150 | |||
| August 11 | 3:51 PM EDT | EF0 | Boone, KY | 2.9 | 150 | |||
| August 11 | 3:56 PM EDT | EF0 | Brown, OH | 6.4 | 200 | |||
| August 11 | 3:12 PM CDT | EF1 | Piatt, IL | 22.5 | 800 | |||
| August 11 | 4:16 PM EDT | EF1 | Brown, OH | 7.1 | 350 |
What this means
Ratings are the survey's, read off the damage rather than measured; the rating scale is above. A survey can be revised, so the rating, the path and the casualties can all still change.
Sources
NWS Damage Assessment Toolkit, the record the survey teams file from the damage, and NOAA Storm Prediction Center storm reports. Neither is the official database for 2026, which SPC publishes in the spring of 2027.