Hail, Mercer
- When
- May 18, 3:45 PM CST
- Where
- Mercer County
- Measured
- 1 in hail
- Coordinates
- 41.200, -90.670
Tornadoes and Hail in Illinois, May 18, 1982
2 hail, 2 tornado, 1 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
- None recorded
- Crop damage
- None recorded
- Events
- 5
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
2 hail, 2 tornado, 1 thunderstorm wind. Local standard time, as filed.
Hail, Mercer
- When
- May 18, 4:00 PM CST
- Where
- Mercer County
- Measured
- 1 in hail
- Coordinates
- 41.200, -90.750
Tornado, De Kalb
- When
- May 18, 5:27 PM CST
- Where
- De Kalb County
- Rating
- F0
- Path width
- 33 yd
- Coordinates
- 41.920, -88.680
Tornado, Warren
- When
- May 18, 5:30 PM CST
- Where
- Warren County
- Rating
- F0
- Path width
- 33 yd
- Coordinates
- 40.930, -90.500
Thunderstorm Wind, Kankakee
- When
- May 18, 7:54 PM CST
- Where
- Kankakee County
- Coordinates
- 41.050, -88.170
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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
- Tornado in Colorado, May 18, 1982
- Tornadoes and Hail in Texas, May 18, 1982
- Hail in Missouri, May 18, 1982
- Tornadoes and Hail in Kansas, May 18, 1982
- Hail in Nebraska, May 18, 1982
- Hail in Georgia, May 18, 1982
- Damaging Winds in Utah, May 18, 1982
- Damaging Winds in New Mexico, May 18, 1982
- Damaging Wind in Alabama, May 18, 1982
- Hail in Iowa, May 18, 1982
- Hail in Michigan, May 18, 1982
- Hail in Indiana, May 18, 1982
More
Every storm in Illinois in 1982Every state in 1982This day in weather historyThe tornado archive for Illinois, 1982
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: 10005641, 10005642, 10005643, 10005644, 10005645.