Hail, Grundy
- When
- August 1, 4:08 PM CST
- Where
- Grundy County, Morris
- Measured
- 1.75 in hail
- Property damage
- $500,000
- Crop damage
- $500,000
- Coordinates
- 41.285, -88.418 (the zone’s center; the record gives no point)
5 hail, 1 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it; 6 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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.
5 hail, 1 thunderstorm wind. Local standard time, as filed.
Hail ranging in size from marble- to golfball-size fell from 1708 CST to 1713 CST in a swath 7 miles long and 3 miles wide through Morris. Sixty- to seventy-mph winds knocked down large tree branches and caused structural damage to buildings. There was $200,000 in property damage and $300,000 in crop damage in Grundy County. The hailstorm continued southeast to Braidwood before diminishing in southern Will County.
The Illinois State Police reported 12-inch diameter tree limbs broken off in Salem. Park officials from Stephen A. Forbes State Park reported hail larger than baseballs fell several minutes later between Omega and Iuka. A total of 10 cars had their windshields and windows either damaged or smashed. Several nearby church windows were also broken and four homes had roof damage. Crops were leveled in a 3 mile long and 0.5 mile wide path.
The Illinois State Police reported 12-inch diameter tree limbs broken off in Salem. Park officials from Stephen A. Forbes State Park reported hail larger than baseballs fell several minutes later between Omega and Iuka. A total of 10 cars had their windshields and windows either damaged or smashed. Several nearby church windows were also broken and four homes had roof damage. Crops were leveled in a 3 mile long and 0.5 mile wide path.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 1993Every state in 1993This day in weather historyWarnings in Illinois, August 1993
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: 10320673, 10320674, 10322641, 10320444, 10320445, 10320279.