Thunderstorm Wind, Knox
- When
- July 31, 1:00 AM CST
- Where
- Knox County
- Coordinates
- 40.950, -90.370
Hail and Damaging Winds in Illinois, July 31, 1986
21 thunderstorm wind, 2 hail, 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
- None recorded
- Crop damage
- None recorded
- Events
- 23
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
21 thunderstorm wind, 2 hail. Local standard time, as filed.
Thunderstorm Wind, Peoria
- When
- July 31, 1:25 AM CST
- Where
- Peoria County
- Coordinates
- 40.700, -89.600
Thunderstorm Wind, Fulton
- When
- July 31, 1:25 AM CST
- Where
- Fulton County
- Coordinates
- 40.420, -90.180
Thunderstorm Wind, Tazewell
- When
- July 31, 1:30 AM CST
- Where
- Tazewell County
- Coordinates
- 40.480, -89.330
Thunderstorm Wind, Henry
- When
- July 31, 2:00 AM CST
- Where
- Henry County
- Measured
- 60 kt (69 mph)
- Coordinates
- 41.420, -90.020
Thunderstorm Wind, Macon
- When
- July 31, 2:25 AM CST
- Where
- Macon County
- Coordinates
- 39.700, -89.000
Thunderstorm Wind, Moultrie
- When
- July 31, 2:35 AM CST
- Where
- Moultrie County
- Coordinates
- 39.630, -88.600
Hail, Piatt
- When
- July 31, 2:44 AM CST
- Where
- Piatt County
- Measured
- 0.75 in hail
- Coordinates
- 40.020, -88.730
Thunderstorm Wind, Sangamon
- When
- July 31, 3:06 AM CST
- Where
- Sangamon County
- Measured
- 52 kt (60 mph)
- Coordinates
- 39.850, -89.680
Hail, Macon
- When
- July 31, 3:13 AM CST
- Where
- Macon County
- Measured
- 0.75 in hail
- Coordinates
- 40.030, -88.950
Thunderstorm Wind, Sangamon
- When
- July 31, 3:40 AM CST
- Where
- Sangamon County
- Coordinates
- 39.800, -89.650
Thunderstorm Wind, Sangamon
- When
- July 31, 3:45 AM CST
- Where
- Sangamon County
- Coordinates
- 39.720, -89.470
Thunderstorm Wind, Cumberland
- When
- July 31, 3:45 AM CST
- Where
- Cumberland County
- Coordinates
- 39.320, -88.450
Thunderstorm Wind, Christian
- When
- July 31, 3:45 AM CST
- Where
- Christian County
- Measured
- 56 kt (64 mph)
- Coordinates
- 39.550, -89.300
Thunderstorm Wind, Christian
- When
- July 31, 4:00 AM CST
- Where
- Christian County
- Coordinates
- 39.580, -89.420
Thunderstorm Wind, Richland
- When
- July 31, 4:15 AM CST
- Where
- Richland County
- Coordinates
- 38.730, -87.950
Thunderstorm Wind, Christian
- When
- July 31, 4:25 AM CST
- Where
- Christian County
- Coordinates
- 39.630, -89.200
Thunderstorm Wind, Lawrence
- When
- July 31, 4:30 AM CST
- Where
- Lawrence County
- Coordinates
- 38.720, -87.680
Thunderstorm Wind, Macon
- When
- July 31, 4:30 AM CST
- Where
- Macon County
- Coordinates
- 39.700, -89.120
Thunderstorm Wind, Moultrie
- When
- July 31, 4:38 AM CST
- Where
- Moultrie County
- Coordinates
- 39.600, -88.620
Thunderstorm Wind, Shelby
- When
- July 31, 4:40 AM CST
- Where
- Shelby County
- Coordinates
- 39.620, -89.020
Thunderstorm Wind, Cumberland
- When
- July 31, 5:00 AM CST
- Where
- Cumberland County
- Coordinates
- 39.270, -88.250
Thunderstorm Wind, Jefferson
- When
- July 31, 5:15 AM CST
- Where
- Jefferson County
- Coordinates
- 38.280, -88.600
What these are
- 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.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Hail and Damaging Winds in Alabama, July 31, 1986
- Hail and Damaging Winds in Oklahoma, July 31, 1986
- Hail and Damaging Winds in Arkansas, July 31, 1986
- Hail in Colorado, July 31, 1986
- Hail and Damaging Winds in Georgia, July 31, 1986
- Damaging Winds in Tennessee, July 31, 1986
- Tornadoes and Hail in Nebraska, July 31, 1986
- Damaging Winds in Indiana, July 31, 1986
- Hail and Damaging Wind in Mississippi, July 31, 1986
- Hail and Damaging Wind in North Dakota, July 31, 1986
- Damaging Wind in Kentucky, July 31, 1986
- Damaging Wind in Wisconsin, July 31, 1986
More
Every storm in Illinois in 1986Every state in 1986This day in weather historyWarnings in Illinois, July 1986
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: 10002538, 10002539, 10002540, 10002541, 10002542, 10002543, 10002544, 10002545, 10002546, 10002547, 10002548, 10002549, 10002550, 10002551, 10002552, 10002553, 10002554, 10002555, 10002556, 10002557, 10002558, 10002559, 10002560.