Alert archive / Illinois / Tornado Watches in 2026

Tornado Watch 313

June 11, 20265 states

The Storm Prediction Center issued this tornado watch at Jun 11, 2026, 1:57 PM CDT for 5 states. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Jun 11, 2026, 1:57 PM CDT (18:57 UTC)
Expired: Jun 11, 2026, 9:00 PM CDT
In force: 7 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2.5 in
Strongest gust expected: 70 kt

All 102 counties

Appanoose County, IA, Cedar County, IA, Clinton County, IA, Davis County, IA, Des Moines County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Lucas County, IA, Mahaska County, IA, Marion County, IA, Monroe County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Wapello County, IA, Washington County, IA, Wayne County, IA, Adams County, IL, Boone County, IL, Brown County, IL, Bureau County, IL, Carroll County, IL, Cass County, IL, Cook County, IL, DeKalb County, IL, DeWitt County, IL, DuPage County, IL, Ford County, IL, Fulton County, IL, Grundy County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Iroquois County, IL, Jo Daviess County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, Knox County, IL, Lake County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, Logan County, IL, Marshall County, IL, Mason County, IL, McDonough County, IL, McHenry County, IL, McLean County, IL, Menard County, IL, Mercer County, IL, Morgan County, IL, Ogle County, IL, Peoria County, IL, Pike County, IL, Putnam County, IL, Rock Island County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Stark County, IL, Stephenson County, IL, Tazewell County, IL, Warren County, IL, Whiteside County, IL, Will County, IL, Winnebago County, IL, Woodford County, IL, Benton County, IN, Jasper County, IN, Lake County, IN, Newton County, IN, Porter County, IN, Adair County, MO, Clark County, MO, Grundy County, MO, Knox County, MO, Lewis County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Marion County, MO, Mercer County, MO, Putnam County, MO, Schuyler County, MO, Scotland County, MO, Shelby County, MO, Sullivan County, MO, Green County, WI, Kenosha County, WI, Lafayette County, WI, Racine County, WI, Rock County, WI, Walworth County, WI

The radar

The Quad Cities radar (KDVN), 57 km from the middle of the area, began a volume at 19:00 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 SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes: 80%
One or more EF2 to EF5 tornadoes: 60%
Ten or more severe wind reports: 90%
One or more gusts of 65 knots or more: 70%
Ten or more severe hail reports: 50%
One or more hailstones of 2 inches or more: 50%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

91 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jun 11, 2:10 PM CDT	Severe Thunderstorm Warning	LOT	Kankakee, Will	65 min
Jun 11, 2:41 PM CDT	Severe Thunderstorm Warning	LOT	Jasper, Porter	46 min
Jun 11, 2:42 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Putnam, Schuyler, Sullivan	63 min
Jun 11, 3:04 PM CDT	Severe Thunderstorm Warning	EAX	Linn, Macon	56 min
Jun 11, 3:09 PM CDT	Tornado Warning	DVN	Hancock	51 min
Jun 11, 3:21 PM CDT	Tornado Warning	EAX	Adair, Schuyler	25 min
Jun 11, 3:29 PM CDT	Severe Thunderstorm Warning	LSX	Knox	61 min
Jun 11, 3:41 PM CDT	Severe Thunderstorm Warning	DVN	Clark, Scotland	52 min
Jun 11, 3:43 PM CDT	Flash Flood Warning	EAX	Adair, Putnam, Schuyler	3 hr
Jun 11, 3:43 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Macon	47 min
Jun 11, 3:44 PM CDT	Flash Flood Warning	LSX	Knox	3 hr
Jun 11, 3:50 PM CDT	Severe Thunderstorm Warning	EAX	Macon	40 min
Jun 11, 3:51 PM CDT	Tornado Warning	DVN	Hancock	39 min
Jun 11, 3:51 PM CDT	Tornado Warning	EAX	Macon	27 min
Jun 11, 4:02 PM CDT	Severe Thunderstorm Warning	LSX	Knox, Shelby	58 min
Jun 11, 4:19 PM CDT	Tornado Warning	DVN	Hancock, McDonough	56 min
Jun 11, 4:26 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Macon	49 min
Jun 11, 4:34 PM CDT	Flash Flood Warning	MKX	Green, Rock	3 hr
Jun 11, 4:36 PM CDT	Flash Flood Warning	EAX	Macon	3 hr
Jun 11, 4:41 PM CDT	Flash Flood Warning	LSX	Shelby	3 hr
Jun 11, 4:48 PM CDT	Severe Thunderstorm Warning	LSX	Knox, Lewis, Marion, Shelby	57 min
Jun 11, 4:49 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Woodford	41 min
Jun 11, 4:56 PM CDT	Tornado Warning	ILX	Marshall, Peoria, Woodford	36 min
Jun 11, 4:57 PM CDT	Flash Flood Warning	DVN	Jo Daviess, Stephenson	3 hr
Jun 11, 4:58 PM CDT	Severe Thunderstorm Warning	LSX	Shelby	47 min
Jun 11, 5:02 PM CDT	Flash Flood Warning	DVN	Hancock, McDonough	4 hr
Jun 11, 5:09 PM CDT	Tornado Warning	DVN	Putnam	17 min
Jun 11, 5:11 PM CDT	Tornado Warning EmergencyTornado observedCatastrophic damage threat	ILX	Marshall	14 min
Jun 11, 5:12 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Knox, Peoria	48 min
Jun 11, 5:12 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LOT	LaSalle, Livingston	33 min
Jun 11, 5:14 PM CDT	Severe Thunderstorm Warning	DVN	Hancock, McDonough	45 min
Jun 11, 5:15 PM CDT	Tornado Warning	ILX	Woodford	14 min
Jun 11, 5:15 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	LOT	LaSalle, Livingston	60 min
Jun 11, 5:15 PM CDT	Flash Flood Warning	LSX	Lewis, Marion	108 min
Jun 11, 5:19 PM CDT	Tornado Warning	DVN	McDonough	41 min
Jun 11, 5:19 PM CDT	Tornado Warning	ILX	Fulton, Mason, Tazewell	41 min
Jun 11, 5:23 PM CDT	Flash Flood Warning	MKX	Rock	103 min
Jun 11, 5:30 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Schuyler	60 min
Jun 11, 5:30 PM CDT	Flash Flood Warning	LOT	Winnebago	4 hr
Jun 11, 5:30 PM CDT	Tornado Warning	LOT	Livingston	45 min
Jun 11, 5:31 PM CDT	Tornado Warning	ILX	Fulton, Peoria	31 min
Jun 11, 5:31 PM CDT	Severe Thunderstorm Warning	MKX	Rock, Walworth	44 min
Jun 11, 5:34 PM CDT	Severe Thunderstorm Warning	LSX	Marion, Monroe, Ralls, Shelby	43 min
Jun 11, 5:39 PM CDT	Severe Thunderstorm Warning	LOT	Boone, DeKalb, McHenry, Ogle, Winnebago	51 min
Jun 11, 5:40 PM CDT	Flash Flood Warning	ILX	Fulton, Peoria	5 hr
Jun 11, 5:45 PM CDT	Tornado Warning	DVN	Bureau, Henry	30 min
Jun 11, 5:47 PM CDT	Severe Thunderstorm Warning	MKX	Kenosha, Racine	58 min
Jun 11, 5:49 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Mason, Peoria, Tazewell	41 min
Jun 11, 5:51 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Cass, Mason, Menard	39 min
Jun 11, 5:52 PM CDT	Flash Flood Warning	LOT	Boone	3 hr
Jun 11, 5:55 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	LOT	Grundy, LaSalle	37 min
Jun 11, 5:59 PM CDT	Tornado Warning	ILX	Cass, Mason, Schuyler	31 min
Jun 11, 6:01 PM CDT	Tornado Warning	MKX	Kenosha, Racine	29 min
Jun 11, 6:07 PM CDT	Tornado Warning Tornado observed	LOT	Grundy, Kankakee, Livingston	38 min
Jun 11, 6:10 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	McLean, Tazewell, Woodford	65 min
Jun 11, 6:10 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Kane, Lake, McHenry	65 min
Jun 11, 6:14 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	DeWitt, Logan, Macon	61 min
Jun 11, 6:15 PM CDT	Tornado Warning	ILX	Tazewell, Woodford	17 min
Jun 11, 6:17 PM CDT	Severe Thunderstorm Warning	LOT	Grundy, Kendall	28 min
Jun 11, 6:27 PM CDT	Flash Flood Warning	LOT	McHenry	3 hr
Jun 11, 6:28 PM CDT	Flash Flood Warning	LOT	Lake	3 hr
Jun 11, 6:28 PM CDT	Severe Thunderstorm Warning	LOT	Will	62 min
Jun 11, 6:30 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Cass, Mason, Menard, Morgan, Sangamon	45 min
Jun 11, 6:34 PM CDT	Tornado Warning	ILX	McLean	10 min
Jun 11, 6:37 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Livingston	68 min
Jun 11, 6:42 PM CDT	Tornado Warning	LOT	Kankakee, Will	31 min
Jun 11, 6:45 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Champaign, DeWitt, McLean, Macon, Piatt	60 min
Jun 11, 6:52 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Lee, Ogle	42 min
Jun 11, 6:55 PM CDT	Tornado Warning	LOT	Iroquois, Kankakee	23 min
Jun 11, 7:01 PM CDT	Flash Flood Warning	ILX	Cass, Logan, Mason, Menard, Morgan, Sangamon and 2 more	4 hr
Jun 11, 7:11 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Iroquois, Livingston	64 min
Jun 11, 7:14 PM CDT	Severe Thunderstorm Warning	LOT	Kane	26 min
Jun 11, 7:14 PM CDT	Tornado Warning	LOT	Lake	34 min
Jun 11, 7:20 PM CDT	Tornado Warning	LOT	Will	40 min
Jun 11, 7:24 PM CDT	Flash Flood Warning	ILX	DeWitt, Logan, Macon, Piatt	4 hr
Jun 11, 7:24 PM CDT	Tornado Warning	LOT	Ford, Iroquois	40 min
Jun 11, 7:28 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Coles, Douglas, Macon, Morgan, Moultrie and 3 more	62 min
Jun 11, 7:30 PM CDT	Tornado Warning	LOT	Lake	30 min
Jun 11, 7:35 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	LOT	Porter	34 min
Jun 11, 7:40 PM CDT	Tornado Warning	LOT	Ford	65 min
Jun 11, 7:51 PM CDT	Tornado Warning	LOT	Jasper, Porter	39 min
Jun 11, 7:53 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LOT	Cook, DuPage, Kendall, Will	52 min
Jun 11, 7:54 PM CDT	Tornado Warning	LOT	Cook, DuPage	16 min
Jun 11, 7:55 PM CDT	Flash Flood Warning	ILX	Christian, Macon, Morgan, Piatt, Sangamon	3 hr
Jun 11, 8:04 PM CDT	Tornado Warning	LOT	DuPage	26 min
Jun 11, 8:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LOT	Cook, Lake	53 min
Jun 11, 8:13 PM CDT	Tornado Warning	LOT	Jasper, Lake, Newton	31 min
Jun 11, 8:17 PM CDT	Tornado Warning	LOT	Cook	28 min
Jun 11, 8:26 PM CDT	Severe Thunderstorm Warning Destructive damage threat	LOT	Lake	34 min
Jun 11, 8:28 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Sangamon	47 min
Jun 11, 8:30 PM CDT	Severe Thunderstorm Warning	LOT	Jasper, Lake, Porter	49 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 7.0 hours before the alert went out and 61 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 11 J/kg
Mixed-layer CIN: -285 J/kg
Mixed-layer LCL: 1008 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: -15 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 7:06 PM CDT	Tornado Watch	SPC	Bureau, Cass, DeKalb, DeWitt, Fulton, Grundy and 17 more	4 hr
Jun 10, 7:55 PM CDT	Mesoscale Discussion	SPC	Cook, DeKalb, DuPage, Ford, Fulton, Grundy and 14 more	95 min
Jun 10, 8:24 PM CDT	Severe Thunderstorm Watch	SPC	Cass, Champaign, Christian, Clark, Coles, Cumberland and 19 more	6 hr
Jun 10, 9:22 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Fulton, Hancock, McDonough, Schuyler	83 min
Jun 11, 12:00 AM CDT	Mesoscale Discussion	SPC	Champaign, Christian, Clark, Coles, Crawford, Cumberland and 14 more	90 min
Jun 11, 7:31 AM CDT	Tornado Watch	SPC	Adams, Brown, Bureau, Carroll, Fulton, Hancock and 15 more	7 hr
Jun 11, 9:53 AM CDT	Mesoscale Discussion	SPC	Adams, Brown, Bureau, Cass, Fulton, Hancock and 20 more	97 min
Jun 11, 12:22 PM CDT	Mesoscale Discussion	SPC	Bureau, Cass, Fulton, Grundy, Kendall, Knox and 12 more	83 min
Jun 11, 1:08 PM CDT	Mesoscale Discussion	SPC	Hancock, Henderson	3 hr
Jun 11, 2:47 PM CDT	Severe Thunderstorm Watch	SPC	Calhoun, Greene, Jersey, Macoupin, Madison, Monroe and 1 more	8 hr
Jun 11, 3:07 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Cass, Fulton, Hancock, Henderson and 7 more	113 min
Jun 11, 4:11 PM CDT	Mesoscale Discussion	SPC	Fulton, Hancock, Henderson, Henry, Knox, McDonough and 3 more	94 min
Jun 11, 5:13 PM CDT	Mesoscale Discussion	SPC	Grundy, Kankakee, LaSalle, Marshall, Will	62 min
Jun 11, 6:14 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Cass, Cook, DeKalb, DeWitt and 27 more	91 min
Jun 11, 6:38 PM CDT	Mesoscale Discussion	SPC	Champaign, Christian, Coles, DeWitt, Douglas, Edgar and 6 more	97 min
Jun 11, 3:23 PM CDT	Mesoscale Discussion	SPC	Benton, Carroll, Cass, DeKalb, Elkhart, Fulton and 17 more	97 min
Jun 11, 1:51 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Cass, Fremont, Guthrie and 10 more	114 min
Jun 11, 2:13 AM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 40 more	8 hr
Jun 11, 4:59 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Cass, Clarke, Decatur and 13 more	2 hr
Jun 11, 6:33 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Cass, Clarke, Davis and 17 more	87 min
Jun 10, 8:24 PM CDT	Mesoscale Discussion	SPC	Andrew, Buchanan, Clay, Clinton, Daviess, DeKalb and 3 more	96 min
Jun 11, 1:18 PM CDT	Mesoscale Discussion	SPC	Barton, Bates, Benton, Carroll, Cass, Cedar and 20 more	117 min
Jun 11, 5:56 PM CDT	Mesoscale Discussion	SPC	Jasper, McDonald, Newton	94 min

Nearby

Tornado Watches in Illinois, 2026 Tornado Watches in Iowa, 2026 Tornado Watches in Missouri, 2026 Every tornado watch 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.