Illinois, 1959

Tornadoes and Damaging Winds in Illinois, September 26, 1959

September 26, 1959 · 17 events in 15 counties and zones

12 tornado, 5 thunderstorm wind, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
1
Injuries
14
Property damage
$1.4 million
Crop damage
None recorded
Events
17

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Event by event

12 tornado, 5 thunderstorm wind. Local standard time, as filed.

Tornado, Carroll

When
September 26, 1:05 PM CST
Where
Carroll County
Rating
F2
Path length
3.3 mi
Path width
40 yd
Property damage
$25,000
Coordinates
41.950, -90.100

Tornado, Brown

When
September 26, 3:15 PM CST
Where
Brown County
Rating
F1
Path length
18.8 mi
Path width
33 yd
Property damage
$250,000
Coordinates
39.930, -90.830

Tornado, Warren

When
September 26, 3:17 PM CST
Where
Warren County
Rating
F2
Path length
4.9 mi
Path width
300 yd
Deaths
1 direct, 0 indirect
Property damage
$250,000
Coordinates
40.900, -90.630

Tornado, Henry

When
September 26, 3:30 PM CST
Where
Henry County
Rating
F2
Path length
12.9 mi
Path width
33 yd
Property damage
$250,000
Coordinates
41.180, -90.370

Thunderstorm Wind, Adams

When
September 26, 3:30 PM CST
Where
Adams County
Coordinates
39.880, -91.180

Thunderstorm Wind, Warren

When
September 26, 3:30 PM CST
Where
Warren County
Coordinates
40.880, -90.580

Tornado, Stark

When
September 26, 3:45 PM CST
Where
Stark County
Rating
F2
Path length
1.9 mi
Path width
40 yd
Property damage
$25,000
Coordinates
41.170, -89.650

Thunderstorm Wind, Rock Island

When
September 26, 3:50 PM CST
Where
Rock Island County
Measured
65 kt (75 mph)
Coordinates
41.500, -90.500

Thunderstorm Wind, Sangamon

When
September 26, 4:00 PM CST
Where
Sangamon County
Measured
65 kt (75 mph)
Coordinates
39.780, -89.680

Tornado, Lee

When
September 26, 4:30 PM CST
Where
Lee County
Rating
F1
Path width
33 yd
Property damage
$25,000
Coordinates
41.800, -89.500

Tornado, La Salle

When
September 26, 4:50 PM CST
Where
La Salle County
Rating
F2
Path length
5.1 mi
Path width
33 yd
Property damage
$25,000
Coordinates
41.320, -89.130

Tornado, Boone

When
September 26, 5:00 PM CST
Where
Boone County
Rating
F1
Path length
3 mi
Path width
33 yd
Property damage
$25,000
Coordinates
42.200, -88.830

Tornado, Du Page

When
September 26, 5:45 PM CST
Where
Du Page County
Rating
F2
Path length
9.3 mi
Path width
33 yd
Property damage
$250,000
Coordinates
41.970, -87.970

Tornado, Cook

When
September 26, 6:00 PM CST
Where
Cook County
Rating
F1
Path length
12.1 mi
Path width
33 yd
Injuries
14 direct, 0 indirect
Property damage
$250,000
Coordinates
42.130, -88.030

Thunderstorm Wind, Cook

When
September 26, 6:00 PM CST
Where
Cook County
Measured
65 kt (75 mph)
Coordinates
42.000, -87.900

Tornado, Perry

When
September 26, 7:00 PM CST
Where
Perry County
Rating
F1
Path length
0.3 mi
Path width
130 yd
Property damage
$3,000
Coordinates
38.030, -89.380

Tornado, Kendall

When
September 26, 7:30 PM CST
Where
Kendall County
Rating
F1
Path length
3 mi
Path width
33 yd
Property damage
$25,000
Coordinates
41.650, -88.350

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Tornado, Warren1959-09-26Direct

What these are

Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Illinois in 1959Every state in 1959This day in weather historyThe tornado archive for Illinois, 1959

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 10009815, 10009816, 10009817, 10009818, 10009819, 10009820, 10009821, 10009822, 10009823, 10009824, 10009825, 10009826, 10009827, 10009828, 10009829, 10009830, 10009831.