Tornadoes · United States · Illinois · 2026

EF1 tornado, Mason and Tazewell counties, Illinois, April 17, 2026

This EF1 tornado ran 15.4 miles across Mason and Tazewell counties on April 17, 2026, touching down at 8:11 PM CDT and reaching 200 yards wide. It killed nobody.

Preliminary. This is NWS ILX's damage survey, filed in the Damage Assessment Toolkit as Forest City-Manito Tornado. 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.

  1. EF065 to 85 mph

    Light damage. Surface peeled off some roofs, gutters and siding damaged, branches broken, shallow-rooted trees pushed over.

  2. EF186 to 110 mphthis tornado

    Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.

  3. 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.

  4. 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.

  5. EF4166 to 200 mph

    Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.

  6. 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.

  7. 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
April 17, 2026
Touchdown
8:11 PM CDT (01:11 UTC)
Lifted
8:29 PM CDT (01:29 UTC)
On the ground
18 minutes
Path length
15.4 miles (24.7 km)
Path width
200 yards (183 m)
Deaths
0
Injuries
0
Counties
Mason and Tazewell counties
Touchdown point
40.383, -89.838
Lift-off point
40.490, -89.586
Highest wind the damage implies
95 mph
Surveyed by
NWS ILX
The office's name for it
Forest City-Manito Tornado
Survey last edited
April 21, 2026
Record number
None yet. SPC numbers 2026 in the spring of 2027.

What the survey found

The tornado's path began approximately one mile north of Forest City ,along County Road 2800 E, where it first caused substantial tree damage. It then tracked northeastward through Union, crossing E Manito Rd and damaging a small outbuilding. Continuing its movement, the tornado entered the south side of Manito, resulting in snapped and uprooted trees and downed power lines.

After crossing north of Hickory Grove road, the storm peeled the roof off a small outbuilding, lofting the debris eastward. The tornado then crossed into Tazewell County, just southeast of Parkland, where more tree damage and a tipped irrigation system were documented.

The tornado proceeded to cross the Mackinaw River and caused extensive tree damage as it moved toward South Pekin, lifting slightly past the interchange of Townline Road and Towerline Road.

Written by NWS ILX in the NWS Damage Assessment Toolkit. A survey is revised as better evidence arrives.

The damage survey

219 damage points were recorded along this path by NWS ILX, in the Damage Assessment Toolkit the survey teams carry. The strongest indicator was rated EF2. The highest wind the damage implies is 115 mph.

  • Extensive tree damage at this location. One property reported 15+ trees damaged.
  • WMBD viewer info: Large trees snapped on Glendale St.
  • Several large trees blown down.
  • Two power poles blown over per county EM.

Survey points are preliminary and are the raw material the published rating was built from. Source: NWS Damage Assessment Toolkit.

The warnings

15 minutes of warning. NWS ILX issued a tornado warning for this county at 00:56 UTC, 15 minutes before the tornado touched down, in force until 01:30 UTC.

The county was under a tornado watch, issued at 20:32 UTC and running to 02:54 UTC.

Issued (UTC)ExpiredProductOffice
20:32 UTC02:54 UTCTornado WatchILX
21:45 UTC22:30 UTCSevere Thunderstorm WarningILX
23:00 UTC09:00 UTCFlood WatchILX
00:26 UTC01:00 UTCSevere Thunderstorm WarningILX
00:56 UTC01:30 UTCTornado WarningILX
00:58 UTC01:47 UTCSevere Thunderstorm WarningILX
01:10 UTC01:45 UTCTornado WarningILX
01:16 UTC02:15 UTCSevere Thunderstorm WarningILX
01:20 UTC01:31 UTCTornado WarningILX
01:28 UTC01:37 UTCTornado WarningILX

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 0.05 chance of a tornado within 25 miles, in the hatched area where significant tornadoes were expected. The outlook in force was issued at 00:59 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.

The 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.

Lincoln, IL (KILX), 00:00Z

1.2 hours before the tornado, 100 km from the path. April 18, 2026.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2026-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 1309 joules per kilogram, CIN -103, lifted condensation level 1221 meters above ground. Wind barbs in knots down the right edge.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed. The warm shading is its CAPE, the cool shading the inhibition it has to break through.
HodographHodograph, Lincoln, IL at 00:00Z on 2026-04-18The wind through the lowest 10 kilometers as a curve, rings every 10 meters per second labeled in knots. Zero to 1 km storm-relative helicity 212 square meters per square second, 0 to 6 km bulk shear 51 knots.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. RM and LM are the right and left moving storms Bunkers' method gives; the shaded area is the 0 to 1 km storm-relative helicity.
Mixed-layer CAPE
1309 J/kg
Mixed-layer CIN
-103 J/kg
Surface CAPE
2371 J/kg
Mixed-layer LCL
1221 m above ground
0-6 km bulk shear
51 kt
0-1 km bulk shear
33 kt
0-1 km storm-relative helicity
212 m²/s²
0-3 km storm-relative helicity
264 m²/s²
Significant tornado parameter
0.8
Supercell composite
8.2
0-3 km lapse rate
7.0 K/km

Open this sounding in Storm Lab

Lincoln, IL (KILX), 12:00Z

10.8 hours after it, 100 km from the path. April 18, 2026.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2026-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 0 joules per kilogram, CIN -107253, lifted condensation level 1118 meters above ground. Wind barbs in knots down the right edge.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed. The warm shading is its CAPE, the cool shading the inhibition it has to break through.
HodographHodograph, Lincoln, IL at 12:00Z on 2026-04-18The wind through the lowest 10 kilometers as a curve, rings every 10 meters per second labeled in knots. Zero to 1 km storm-relative helicity -20 square meters per square second, 0 to 6 km bulk shear 71 knots.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. RM and LM are the right and left moving storms Bunkers' method gives; the shaded area is the 0 to 1 km storm-relative helicity.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
-107253 J/kg
Surface CAPE
1 J/kg
Mixed-layer LCL
1118 m above ground
0-6 km bulk shear
71 kt
0-1 km bulk shear
13 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0
0-3 km lapse rate
3.0 K/km

Open this sounding in Storm Lab

The surface observations

Peoria (PIA), 26 km from the path, in the two hours either side.

Time (UTC)Temp (°F)Dew point (°F)WindGust (kt)Pressure (mb)Weather
23:15 UTC 211003
23:20 UTC 271002.7-RA
23:25 UTC 20 kt281002.7-RA
23:30 UTC 211002.4-RA
23:35 UTC 1002.4
23:37 UTC7764180° 12 kt231002.4
23:40 UTC 181002.7
23:45 UTC 13 kt1003
23:50 UTC 1002.7
23:54 UTC7764180° 17 kt251003
23:55 UTC 211003
00:00 UTC 1003
00:05 UTC180° 14 kt1002.7
00:10 UTC180° 15 kt1002.7
00:15 UTC180° 16 kt1003
00:20 UTC180° 15 kt1003
00:25 UTC190° 13 kt1003.4
00:30 UTC 1003.4
00:35 UTC 211003.4
00:40 UTC180° 11 kt171003.4-RA
00:43 UTC7665190° 13 kt221003.7VCTS -RA
00:45 UTC 1003.7-RA
00:50 UTC 1003.7-RA
00:54 UTC7466180° 13 kt221003.4TSRA
00:55 UTC 1003.4RA
01:00 UTC170° 12 kt1003-RA
01:05 UTC 1003-RA
01:10 UTC -RA
01:15 UTC -RA
01:20 UTC 311005.1-RA
01:25 UTC6560300° 13 kt321006.8TSRA
01:25 UTC290° 13 kt181006.8RA
01:30 UTC6260260° 9 kt281007.8+TSRA BR
01:30 UTC260° 9 kt1007.8+RA BR
01:33 UTC6259260° 10 kt241007.8+TSRA BR
01:35 UTC270° 8 kt1007.5+RA BR
01:40 UTC260° 9 kt171007.5+RA BR
01:42 UTC6159260° 10 kt171007.5+TSRA BR
01:45 UTC260° 10 kt1007.5+RA BR
01:46 UTC6159260° 9 kt171007.5+TSRA BR
01:50 UTC250° 8 kt1007.8RA BR
01:54 UTC6159250° 7 kt1007.5+TSRA BR
01:55 UTC250° 7 kt1007.5+RA BR
02:00 UTC240° 11 kt161008.5+RA BR
02:05 UTC 251008.5+RA BR
02:10 UTC250° 12 kt171008.5+RA BR
02:15 UTC250° 13 kt231008.5+RA BR
02:20 UTC6259260° 12 kt241008.1VCTS +RA BR
02:20 UTC260° 12 kt171008.1+RA BR
02:25 UTC 1008.1+RA BR
02:27 UTC6259250° 14 kt241008.1TSRA BR
02:30 UTC 13 kt1008.1RA BR
02:35 UTC250° 10 kt1007.8+RA BR
02:40 UTC240° 10 kt1007.8+RA BR
02:45 UTC230° 10 kt1007.8+RA BR
02:50 UTC220° 8 kt1007.5RA BR
02:54 UTC6259220° 7 kt1007.5VCTS RA BR
02:55 UTC210° 7 kt1007.5RA BR
03:00 UTC0° 0 kt1006.4RA BR
03:04 UTC62590° 0 kt1006.4-RA BR
03:05 UTC0° 0 kt1006.4-RA BR
03:10 UTC220° 7 kt1006.8-RA

From the Iowa Environmental Mesonet's archive of airport observations.

The radar

The Lincoln radar (KILX), 45 km away, was scanning. The volume nearest the touchdown began at 01:09 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)ReportWhereCountyRemark
22:57 UTCTSTM WND DMGElmwoodPeoria, ILSeveral tree branches were blown down near the intersection of South Knox and Main Street in Elmwood.
23:01 UTCTSTM WND DMG3 Ssw WilliamsfieldKnox, ILReports of farm debris scattered about the field.
23:03 UTCTSTM WND DMG3 Ssw WilliamsfieldKnox, ILflipped farm trailer, trees snapped, and several power poles snapped. There was also a semi flipped on I-74.
23:05 UTCTSTM WND DMG3 S WilliamsfieldKnox, IL3 power poles snapped.
23:07 UTCTSTM WND DMG1 Sse WilliamsfieldKnox, ILtree snapped.
23:07 UTCHAIL 1.75WilliamsfieldKnox, ILHail damage due to golfball size hail.
23:10 UTCHAIL 1LauraPeoria, IL
23:10 UTCHAIL 1.252 Nnw LauraPeoria, IL
23:11 UTCTSTM WND DMG2 Sse MaquonKnox, IL3-4 inch branch across the road just east of the 97 and 8 junction.
00:29 UTCTORNADO1 Wnw Table GroveFulton, ILThis is a correction to a previous tornado LSR. EF1, peak wind speed 110 mph, path length 11.3 miles, path width 900 yds. This tornado entered Fulton County from McDonough County along Waters Rd. Here it did roof damage
00:33 UTCTSTM WND DMG2 Ese AvonFulton, ILNumerous power poles were snapped along North 7 Hills Road.
00:38 UTCTORNADO1 W Table GroveFulton, ILEF2, max wind speed 130 mph, path length 5.44 mi. The tornado touched down along County Rd 650 100 yards into McDonough County where it did significant tree damage, producing wind speeds around 115 mph. It then crossed i
00:40 UTCTORNADO2 E Table GroveFulton, ILThis is a correction to a previous tornado LSR. EF2, peak wind speed 130 mph, path length 18.1 miles, path width 500 yds. The tornado touched down 2 miles east of Table Grove along Rifle Range Rd with a peak intensity of
00:40 UTCTORNADO2 N Table GroveFulton, ILEF1, peak wind speed 110 mph, path length 18.6 mi. The tornado touched down about 2 miles north of Table Grove where it destroyed a newer grain bin with wind speeds around 110 mph and tossed the debris more than a mile a
00:44 UTCTSTM WND DMGRaySchuyler, ILPower lines down at Hall Rd. and Ray Rd.
00:45 UTCTSTM WND DMG1 N BernadotteFulton, IL[Delayed Report] - Photo taken from Highway 2 looking towards Spoon River show a 50-100 yard wide path of damage through a tree line, including snapped branches. Possible tornado.
00:45 UTCTSTM WND DMGBrowningSchuyler, ILPower line down. Time estimated.
00:45 UTCTSTM WND DMGIpavaFulton, ILNumerous trees were blown down.
00:50 UTCTSTM WND DMG4 Ssw CubaFulton, IL[Delayed Report] - Multiple buildings damaged, one with nearly 50% loss of roofing material, another with 20% loss of roofing material. Debris scattered into nearby fields. Possible tornado.
00:54 UTCTORNADO5 S ShirleyMclean, ILEF1, peak wind speed 100 mph, path length 33.8 miles. The tornado touched down about 2.5 miles southeast of Funks Grove where it produced some tree damage along E 400 North Rd. It progressed northeast crossing Hwy 51 jus
00:56 UTCTSTM WND DMG1 Se LewistownFulton, IL[Delayed Report] - Tree blown down onto shed causing structural damage. Time estimated by radar.
00:56 UTCTSTM WND GST 65LewistownFulton, IL
00:56 UTCTORNADOBathMason, ILEF1, peak wind speed 105 mph, path length 31.85 miles. This long track tornado spanned nearly the entire width of Mason County, starting in Bath and ending just across the Logan County line in San Jose. In Bath, a few wa
00:56 UTCTORNADOBluff CitySchuyler, ILCorrects previous tornado report from Bath. EF1, peak wind speed 105 mph, path length 36.7 miles. This long track tornado spanned nearly the entire width of Mason County. It touched down in extreme eastern Schuyler Count
01:11 UTCTSTM WND DMG3 Ese DunfermlineFulton, ILTrees were blown down.
01:11 UTCTORNADO1 Nnw Forest CityMason, ILEF1, max wind speed 95 mph, path length 15.4 miles. The tornados path began approximately one mile north of Forest City ,along County Road 2800 E, where it first caused substantial tree damage. It then tracked northeastw
01:12 UTCTSTM WND DMG2 Ene BannerFulton, ILLarge tree branches down.
01:13 UTCTSTM WND DMG1 Ssw UnionMason, IL[Delayed Report] - Extensive tree damage, with one property reporting at least 15 trees damaged. Possible tornado, NWS damage survey will be necessary in this area. Time estimated by radar.
01:15 UTCTSTM WND DMG2 Nne OakfordMenard, ILTrees and power lines were blown down across Duncheon Road.
01:15 UTCTSTM WND DMG3 S Kingston MinesTazewell, ILPower line down along East Manito Rd.
01:16 UTCTSTM WND DMG1 S ManitoMason, ILLarge trees broken on Glendale St.
01:16 UTCTSTM WND DMG2 E ManitoMason, IL[Delayed Report] - Multiple large trees blown. Possible tornado.
01:16 UTCTORNADO5 Ene EastonMason, ILTornado on the ground with debris.
01:22 UTCTSTM WND DMG2 Nne South PekinTazewell, IL12 inch limb fell on power lines.
01:22 UTCTORNADO2 S MapletonTazewell, ILEF1, max wind speed 90 mph, path length 6.3 miles. The tornado touched down just southwest of Powerton Lake, and moved along the south side of the lake, before curving northeast. North of the prison, it began to track mo
01:26 UTCTSTM WND DMGSan JoseLogan, ILPower lines were blown down.
01:26 UTCTORNADO3 Ene GreenviewMenard, ILEF1, max wind speed 100 mph, path length 5.9 miles. This tornado began about 2.5 miles northeast of Greenview and continued almost due west along N Middletown Road, producing tree damage. The tornado took a slight turn t
01:27 UTCTORNADO1 Wsw Marquette HeightsTazewell, ILEF1, max wind speed 95 mph, path length 2.3 mi. The tornado touched down along Lincoln Blvd on the southwest side of Marquette Heights where it did tree damage and minor home siding damage. It moved east and crossed thro
01:27 UTCTORNADO2 Ne South PekinTazewell, ILEF1, max wind speed 95 mph, path length 2.3 miles. The tornado tracked east along Red Shale Hill Rd., before turning northeast at Egg Ranch Rd. Most of the damage was toward the end of the track, in a wooded subdivision
01:29 UTCTORNADO3 Sse DelavanTazewell, ILEF1, peak wind speed 100 mph, path length 10.5 miles, path width 1100 yds. This tornado touched down about 3 miles south of Delavan and moved northeast. It ripped off part of the roof of a pig barn, blowing it into the f

From the Iowa Environmental Mesonet's archive of National Weather Service local storm reports.

This ground now

The live radar over the trackEvery 2026 tornado in IllinoisEvery tornado in Illinois since 1950Warnings in force in Illinois nowThe forecast where you are

The other tornadoes of April 17, 2026

88 more have been surveyed in the United States that day, so far.

DateTimeRatingWherePath (mi)Width (yd)DeathsInjuriesDamage
April 171:46 PM CDTEF0Mower, MN2.8110
April 171:55 PM CDTEF0Dodge, MN5.3150
April 172:19 PM CDTEF2Olmsted, MN9.72502
April 172:32 PM CDTUnratedButler, IA1.610
April 172:33 PM CDTEF1Olmsted, MN12.4200
April 172:47 PM CDTEF1Jo Daviess, IL3.7100
April 172:47 PM CDTEF2Olmsted, MN7.7200
April 172:47 PM CDTEF0Howard, IA4.2601
April 173:08 PM CDTUnratedAtchison, KS0.00
April 173:26 PM CDTEF3Buffalo, WI10.3300
April 173:36 PM CDTEF2Stephenson, IL12.51,250
April 174:07 PM CDTEF1Osage, KS1.175
April 174:09 PM CDTEF1Trempealeau, WI5.690
April 174:17 PM CDTUnratedClayton, IA0.620
April 174:20 PM CDTEF1Trempealeau, WI4.6130
April 174:35 PM CDTUnratedWinnebago, IL0.750
April 174:44 PM CDTEF1Marathon, WI4.3100
April 174:46 PM CDTEF3Marathon, WI13.5600$8,000
April 174:52 PM CDTEF1Jackson, WI2.3150
April 174:57 PM CDTEF1Winnebago, IL5.0400
April 175:02 PM CDTEF1Washington, IA5.3100
April 175:19 PM CDTEF1Cass, MO4.80
April 176:02 PM CDTEF1Rock, WI1.975
April 176:05 PM CDTEF1Rock, WI2.1100
April 176:15 PM CDTEF1Rock, WI4.475
April 176:39 PM CDTEF1Walworth, WI3.075
April 176:40 PM CDTEF0Mercer, IL0.950
April 176:43 PM CDTEF1Walworth, WI3.175
April 176:55 PM CDTEF1Hancock, IL5.7150
April 176:55 PM CDTEF0Kay, OK5.1100
April 177:03 PM CDTEF1Winnebago, IL11.6350
April 177:03 PM CDTEF1Kay, OK14.41,200
April 177:04 PM CDTEF1Henry, IL0.350
April 177:11 PM CDTEF1Kay, OK0.975
April 177:12 PM CDTEF1Kay, OK0.375
April 177:13 PM CDTEF1Hancock, IL6.075
April 177:15 PM CDTEF1Knox, IL10.3800
April 177:19 PM CDTEF1Benton, MO5.90
April 177:22 PM CDTEF0Walworth, WI1.950
April 177:23 PM CDTEF0Benton, MO0.4200
April 177:25 PM CDTEF1Benton, MO1.6150
April 177:29 PM CDTEF2McDonough, IL12.8200$90
April 177:32 PM CDTEF0Racine, WI1.450
April 177:40 PM CDTEF2Fulton, IL18.1500$500
April 177:44 PM CDTEF0Morgan, MO1.20
April 177:46 PM CDTEF1Morgan, MO7.2300
April 177:50 PM CDTEF1Schuyler, IL36.71,200
April 177:52 PM CDTEF0Waukesha, WI0.670
April 177:55 PM CDTEF0Racine, WI3.750
April 177:56 PM CDTEF1Racine, WI5.275
April 177:59 PM CDTEF0Morgan, MO1.3150
April 178:08 PM CDTEF0Cole, MO3.550
April 178:14 PM CDTEF1Bureau, IL17.6300
April 178:22 PM CDTEF1Tazewell, IL6.3100
April 178:26 PM CDTEF1Menard, IL5.9300
April 178:27 PM CDTEF1Tazewell, IL2.3500
April 178:27 PM CDTEF1Tazewell, IL2.370$50
April 178:29 PM CDTEF1Tazewell, IL4.61,100
April 178:31 PM CDTEF0Callaway, MO2.350
April 178:34 PM CDTEF2Tazewell, IL4.01,000

All 89 of them

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.