Alert archive / Illinois / Tornado Watches in 2026

Tornado Watch 32

March 10, 20264 states

The Storm Prediction Center issued this tornado watch at Mar 10, 2026, 3:57 PM CDT for 4 states. It was in force for 10 hr.

The area

The outline as issued.

The facts

Issued: Mar 10, 2026, 3:57 PM CDT (20:57 UTC)
Expired: Mar 11, 2026, 1:46 AM CDT
In force: 10 hr
Issued by: the Storm Prediction Center
Largest hail expected: 3 in
Strongest gust expected: 65 kt

All 48 counties

Des Moines County, IA, Henry County, IA, Jefferson County, IA, Lee County, IA, Louisa County, IA, Van Buren County, IA, Bureau County, IL, Cass County, IL, Champaign County, IL, DeWitt County, IL, Ford County, IL, Fulton County, IL, Grundy County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Iroquois County, IL, Kankakee County, IL, Knox County, IL, LaSalle County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Marshall County, IL, Mason County, IL, McDonough County, IL, McLean County, IL, Menard County, IL, Mercer County, IL, Morgan County, IL, Peoria County, IL, Piatt County, IL, Putnam County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Stark County, IL, Tazewell County, IL, Vermilion County, IL, Warren County, IL, Woodford County, IL, Benton County, IN, Jasper County, IN, Lake County, IN, Newton County, IN, Porter County, IN, Clark County, MO, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 81 km from the middle of the area, began a volume at 20:59 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: 70%
One or more EF2 to EF5 tornadoes: 60%
Ten or more severe wind reports: 50%
One or more gusts of 65 knots or more: 30%
Ten or more severe hail reports: 70%
One or more hailstones of 2 inches or more: 70%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Mar 10, 3:59 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Woodford	31 min
Mar 10, 4:07 PM CDT	Severe Thunderstorm Warning	LOT	LaSalle, Livingston	53 min
Mar 10, 4:32 PM CDT	Severe Thunderstorm Warning	LOT	Grundy, Kendall, LaSalle	43 min
Mar 10, 4:45 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LOT	Livingston	45 min
Mar 10, 4:47 PM CDT	Tornado Warning	LOT	Livingston	43 min
Mar 10, 5:19 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LOT	Ford, Iroquois, Kankakee	41 min
Mar 10, 5:30 PM CDT	Severe Thunderstorm Warning Destructive damage threat	LOT	Livingston	15 min
Mar 10, 5:54 PM CDT	Severe Thunderstorm Warning	DVN	Henderson, Mercer, Warren	51 min
Mar 10, 6:01 PM CDT	Severe Thunderstorm Warning	DVN	Henderson	44 min
Mar 10, 6:02 PM CDT	Severe Thunderstorm Warning Destructive damage threat	LOT	Kankakee, Will	58 min
Mar 10, 6:08 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Henry	52 min
Mar 10, 6:09 PM CDT	Severe Thunderstorm Warning Destructive damage threat	LOT	Kankakee	66 min
Mar 10, 6:11 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson, Van Buren	64 min
Mar 10, 6:16 PM CDT	Tornado Warning	LOT	Kankakee	44 min
Mar 10, 6:21 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Bureau, Putnam	54 min
Mar 10, 6:22 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Henry, Mercer	38 min
Mar 10, 6:30 PM CDT	Tornado Warning	DVN	Bureau, Henry	45 min
Mar 10, 6:38 PM CDT	Tornado Warning	DVN	Henry, Jefferson	20 min
Mar 10, 6:45 PM CDT	Severe Thunderstorm Warning	DVN	Henderson, Mercer, Warren	44 min
Mar 10, 6:45 PM CDT	Severe Thunderstorm Warning Destructive damage threat	LOT	Kankakee, Will	75 min
Mar 10, 6:52 PM CDT	Severe Thunderstorm Warning	ILX	Knox	23 min
Mar 10, 6:55 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	LOT	Kankakee	35 min
Mar 10, 6:58 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Washington	45 min
Mar 10, 7:01 PM CDT	Severe Thunderstorm Warning	LOT	LaSalle	59 min
Mar 10, 7:05 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Henry	40 min
Mar 10, 7:09 PM CDT	Severe Thunderstorm Warning Destructive damage threat	LOT	Jasper, Porter	71 min
Mar 10, 7:09 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	LOT	Jasper, Lake, Newton	51 min
Mar 10, 7:12 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Bureau, Putnam	38 min
Mar 10, 7:14 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Knox, Stark	41 min
Mar 10, 7:18 PM CDT	Severe Thunderstorm Warning	ILX	Knox	27 min
Mar 10, 7:23 PM CDT	Severe Thunderstorm Warning Destructive damage threat	DVN	Louisa	52 min
Mar 10, 7:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LOT	LaSalle	43 min
Mar 10, 7:33 PM CDT	Tornado Warning	ILX	Marshall, Stark	27 min
Mar 10, 7:41 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	LOT	Jasper, Porter	35 min
Mar 10, 7:48 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Putnam	42 min
Mar 10, 7:49 PM CDT	Severe Thunderstorm Warning	DVN	Mercer	56 min
Mar 10, 7:52 PM CDT	Tornado Warning	ILX	Marshall	38 min
Mar 10, 7:55 PM CDT	Severe Thunderstorm Warning	DVN	Van Buren	65 min
Mar 10, 7:57 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Grundy, Kendall, LaSalle	63 min
Mar 10, 8:01 PM CDT	Flash Flood Warning	DVN	Bureau	3 hr
Mar 10, 8:02 PM CDT	Tornado Warning	DVN	Van Buren	43 min
Mar 10, 8:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LOT	LaSalle, Livingston	66 min
Mar 10, 8:10 PM CDT	Flash Flood Warning	LOT	LaSalle	3 hr
Mar 10, 8:14 PM CDT	Tornado Warning	ILX	Marshall	31 min
Mar 10, 8:15 PM CDT	Tornado Warning	DVN	Putnam	13 min
Mar 10, 8:26 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Henry, Whiteside	34 min
Mar 10, 8:36 PM CDT	Tornado Warning	LOT	LaSalle, Livingston	18 min
Mar 10, 8:41 PM CDT	Tornado Warning	DVN	Lee, Van Buren	64 min
Mar 10, 8:43 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Mercer	43 min
Mar 10, 9:11 PM CDT	Flash Flood Warning	DVN	Henry	90 min
Mar 10, 9:36 PM CDT	Severe Thunderstorm Warning	DVN	Hancock, Henderson	30 min
Mar 10, 9:37 PM CDT	Tornado Warning	DVN	Bureau, Putnam	20 min
Mar 10, 9:56 PM CDT	Severe Thunderstorm Warning	DVN	Hancock	39 min
Mar 10, 10:11 PM CDT	Severe Thunderstorm Warning	LOT	Lake, Porter	34 min
Mar 10, 10:21 PM CDT	Severe Thunderstorm Warning	LOT	Kankakee	39 min
Mar 10, 11:34 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Mason, Peoria, Tazewell	41 min
Mar 10, 11:38 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Fulton, Mason, Menard, Schuyler, Tazewell	52 min
Mar 10, 11:57 PM CDT	Tornado Warning	ILX	Fulton, Mason, Tazewell	37 min
Mar 11, 12:13 AM CDT	Severe Thunderstorm Warning	ILX	Mason, Peoria, Tazewell	17 min
Mar 11, 12:18 AM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Logan, McLean, Mason, Peoria, Tazewell and 1 more	42 min
Mar 11, 1:25 AM CDT	Severe Thunderstorm Warning	ILX	Christian, Morgan, Sangamon	13 min
Mar 11, 1:27 AM CDT	Severe Thunderstorm Warning	ILX	Macon, Moultrie, Piatt	20 min
Mar 11, 1:36 AM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Sangamon	24 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

Lincoln, IL (KILX), launched 12:00Z, 9.0 hours before the alert went out and 157 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: 551 J/kg
Mixed-layer CIN: -175 J/kg
Mixed-layer LCL: 971 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 75 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 10, 11:16 AM CDT	Mesoscale Discussion	SPC	Bureau, Ford, Fulton, Grundy, Iroquois, Kankakee and 11 more	29 min
Mar 10, 1:53 PM CDT	Mesoscale Discussion	SPC	Bureau, Ford, Fulton, Grundy, Hancock, Henderson and 20 more	3 hr
Mar 10, 4:53 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 12 more	97 min
Mar 10, 5:40 PM CDT	Severe Thunderstorm Watch	SPC	Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 11 more	7 hr
Mar 10, 5:41 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Calhoun, Greene, Hancock, McDonough and 3 more	2 hr
Mar 10, 5:57 PM CDT	Tornado Watch	SPC	Adams, Brown	6 hr
Mar 10, 6:27 PM CDT	Mesoscale Discussion	SPC	Kankakee	63 min
Mar 10, 6:45 PM CDT	Tornado Watch	SPC	Elkhart, Fulton, Kosciusko, LaGrange, LaPorte, Marshall and 4 more	6 hr
Mar 10, 4:51 PM CDT	Mesoscale Discussion	SPC	Cass, Clay, Jackson, Platte	2 hr

Nearby

Tornado Watches in Illinois, 2026 Tornado Watches in Iowa, 2026 Tornado Watches in Indiana, 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.