Tornado, Monroe
- When
- April 3, 6:05 PM CST
- Where
- Monroe County
- Rating
- F2
- Path length
- 19.8 mi
- Path width
- 50 yd
- Property damage
- $250,000
- Coordinates
- 38.400, -90.200
Tornadoes and Damaging Winds in Illinois, April 3, 1968
3 tornado, 3 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $525,000
- Crop damage
- None recorded
- Events
- 6
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
3 tornado, 3 thunderstorm wind. Local standard time, as filed.
Thunderstorm Wind, Monroe
- When
- April 3, 6:25 PM CST
- Where
- Monroe County
- Coordinates
- 38.280, -90.180
Thunderstorm Wind, St. Clair
- When
- April 3, 6:25 PM CST
- Where
- St. Clair County
- Coordinates
- 38.500, -89.780
Tornado, Clinton
- When
- April 3, 6:40 PM CST
- Where
- Clinton County
- Rating
- F1
- Path length
- 8.3 mi
- Path width
- 50 yd
- Property damage
- $250,000
- Coordinates
- 38.550, -89.630
Thunderstorm Wind, St. Clair
- When
- April 3, 6:50 PM CST
- Where
- St. Clair County
- Coordinates
- 38.500, -89.900
Tornado, Williamson
- When
- April 3, 8:30 PM CST
- Where
- Williamson County
- Rating
- F1
- Path length
- 0.5 mi
- Path width
- 100 yd
- Property damage
- $25,000
- Coordinates
- 37.800, -89.000
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
- Tornadoes and Hail in Arkansas, April 3, 1968
- Tornadoes in Tennessee, April 3, 1968
- Tornado and Damaging Winds in Kentucky, April 3, 1968
- Tornadoes and Damaging Winds in Missouri, April 3, 1968
- Tornadoes and Damaging Wind in Oklahoma, April 3, 1968
- Tornadoes in Iowa, April 3, 1968
- Tornado in Mississippi, April 3, 1968
- Hail and Damaging Wind in Kansas, April 3, 1968
- Hail in Nebraska, April 3, 1968
More
Every storm in Illinois in 1968Every state in 1968This day in weather historyThe tornado archive for Illinois, 1968
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: 10011154, 10011155, 10011156, 10011157, 10011158, 10011159.