Illinois, 1999Hail and Damaging Wind in Illinois, April 21, 1999
April 21, 1999 · NWS LOT · 5 events in 4 counties and zones
4 hail, 1 thunderstorm wind, as filed by the National Weather Service.
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
- 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.
Hail, Kankakee
- When
- April 21, 6:05 PM CST
- Where
- Kankakee County, Reddick to Herscher
- Measured
- 1.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.120, -88.230
Thunderstorm Wind, Kankakee
- When
- April 21, 6:15 PM CST
- Where
- Kankakee County, Momence
- Measured
- 50 kt (58 mph)
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.170, -87.670
Two power poles were blown down.
Hail, Kane
- When
- April 21, 7:39 PM CST
- Where
- Kane County, St Charles
- Measured
- 1 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.920, -88.320
Hail, Cook
- When
- April 21, 8:10 PM CST
- Where
- Cook County, Schaumburg
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 42.030, -88.080
Hail, Du Page
- When
- April 21, 8:20 PM CST to 8:25 PM CST
- Where
- Du Page County, Bartlett to Elmhurst
- Measured
- 1.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 42.000, -88.180
Hail 7/8 inch in diameter fell at Bartlett and golf ball sized hail fell at Elmhurst.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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.
- Tornadoes and Hail in Oklahoma, April 21 to 22, 19991 injured · $2.6 million · F2 · 62 events
- Tornadoes and Hail in Nebraska, April 21, 1999$122,000 · F2 · 9 events
- Hail and Damaging Winds in Kansas, April 21 to 22, 1999$595,000 · 2.75 in hail · 40 events
- Dust Storm in California, April 21 to 22, 1999$210,000 · 2 events
- Lightning Strike in Missouri, April 21, 1999$35,000 · 1 event
- Hail and Damaging Winds in Oklahoma, April 21 to 22, 1999$16,000 · 1.75 in hail · 13 events
- Flash Flood and Hail in Pennsylvania, April 21 to 23, 1999$7,000 · 2 in hail · 9 events
- Flooding and Hail in Kansas, April 21 to 22, 19991.75 in hail · 8 events
- Heavy Snow in Colorado, April 21 to 23, 19996 events
- Winter Storm in Colorado, April 21 to 22, 19994 events
- Hail in Ohio, April 21 to 23, 19990.75 in hail · 3 events
- Damaging Winds in Illinois, April 21 to 22, 199950 kt wind · 3 events
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: 5696358, 5696359, 5696362, 5696360, 5696361.