Illinois, 1999Hail and Damaging Winds in Illinois, August 12, 1999
August 12, 1999 · NWS ILX · 19 events in 16 counties and zones
16 thunderstorm wind, 3 hail, 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
- $669,000
- Crop damage
- $52 million
- Events
- 19
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.
Thunderstorm Wind, Schuyler
- When
- August 12, 5:40 PM CST to 7:19 PM CST
- Where
- Schuyler County, Huntsville to Frederick
- Measured
- 70 kt (81 mph)
- Property damage
- $77,000
- Crop damage
- $2.0 million
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 40.180, -90.870
Thunderstorm winds caused considerable damage in Schuyler county. Numerous trees, tree limbs, and power lines were blow down. Also, thousands of acres of corn were laid down by the winds. Crop damage was estimated around $2 million. In Rushville, one unoccupied truck was damaged when a tree fell onto it. Property damage was estimated around $77,000.
Thunderstorm Wind, Fulton
- When
- August 12, 6:25 PM CST
- Where
- Fulton County, Astoria
- Property damage
- $50,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 40.230, -90.350
Numerous power lines and tree limbs blown down.
Thunderstorm Wind, Mason
- When
- August 12, 6:38 PM CST to 7:15 PM CST
- Where
- Mason County, Bath to Mason City
- Measured
- 70 kt (81 mph)
- Property damage
- $100,000
- Crop damage
- $12 million
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 40.200, -90.150
As a line of severe thunderstorms moved through Mason County, numerous trees, tree limbs, and power lines were blown down. Also, thousands of acres of corn were laid down. At the intersection of Route 97 and the Bath blacktop, a tree was blown over onto a van trapping its occupants. They were freed by rescue crews and sustained no injuries. In the Sanganois conservation area, another car was trapped by a fallen tree, but there were no injuries. Damage to the crops was estimated around $12.3 million.
Thunderstorm Wind, Menard
- When
- August 12, 6:45 PM CST to 7:25 PM CST
- Where
- Menard County, Petersburg to Fancy Prairie
- Measured
- 59 kt (68 mph)
- Property damage
- $75,000
- Crop damage
- $6.0 million
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 40.020, -89.850
Trees were blown down countywide, as well as, 11 power poles along Route 29 just north of Athens.One tree fell onto a house and truck just north of Petersburg. No injuries were reported. Thousands of acres of corn were flattened, especially in the northern part of the county. Damage to the crops was estimated around $6 million.
Thunderstorm Wind, Logan
- When
- August 12, 6:55 PM CST to 7:40 PM CST
- Where
- Logan County, Middletown to Mt Pulaski
- Measured
- 74 kt (85 mph)
- Property damage
- $50,000
- Crop damage
- $8.3 million
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 40.100, -89.580
Numerous trees, tree limbs, and power lines were blown down countywide. Also, thousands of acres of corn were flattened. In Mt. Pulaski, a tree was blown down onto a house causing minor damage. New Holland Fire Department estimated 85 mph winds for about 2 minutes. Damage to the crops was estimated around $8.3 million.
Thunderstorm Wind, Tazewell
- When
- August 12, 7:15 PM CST
- Where
- Tazewell County, Armington
- Property damage
- $10,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 40.330, -89.300
Several trees were blown down.
Thunderstorm Wind, Cass
- When
- August 12, 7:20 PM CST to 7:35 PM CST
- Where
- Cass County, Beardstown to Chandlerville
- Measured
- 52 kt (60 mph)
- Property damage
- $210,000
- Crop damage
- $6.8 million
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 40.020, -90.430
As a line of severe thunderstorms moved into Cass County, several miles stretch of US Route 67 was closed due to 40 power poles being blown down. Also, ten homes sustained minor damage from the storms. A barn and a garage were destroyed, and numerous trees, tree limbs, and other power lines were blown down. In Arenzville, one of the fallen trees damaged a pickup truck. Also, considerable crop damage was reported countywide, especially between Beardstown and Arenzville. Damage to the crops was estimated around $6.8 million.
Thunderstorm Wind, Scott
- When
- August 12, 7:45 PM CST to 8:00 PM CST
- Where
- Scott County, Riggston to 3 mi of Riggston
- Property damage
- $15,000
- Crop damage
- $2.8 million
- Reported by
- NEWSPAPER
- Coordinates
- 39.670, -90.470
Several large tree limbs were blown down along Interstate 72. Also, there was considerable damage to corn crops around the Riggston area. Damage to the crops was estimated around $2.8 million.
Thunderstorm Wind, Morgan
- When
- August 12, 7:45 PM CST to 8:30 PM CST
- Where
- Morgan County, Concord to Waverly
- Property damage
- $22,000
- Crop damage
- $12 million
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 39.820, -90.370
Numerous trees, tree limbs, and power lines blown down countywide. In Jacksonville, 5 mobile homes sustained moderate damage from tree limbs. Also, several car windows were broken due to fallen tree limbs. Thousands of acres of corn were destroyed. Damage to the crops was estimated around $11.8 million.
Thunderstorm Wind, Sangamon
- When
- August 12, 8:00 PM CST
- Where
- Sangamon County, Pleasant Plains
- Property damage
- $10,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 39.870, -89.920
Several power lines were blown down.
Thunderstorm Wind, Macon
- When
- August 12, 8:00 PM CST to 8:15 PM CST
- Where
- Macon County, Maroa to Argenta
- Crop damage
- $2.2 million
- Reported by
- NEWSPAPER
- Coordinates
- 40.030, -88.950
As a severe thunderstorm moved across northern portions of Macon County, thousands of acres of corn were destroyed. Also, several power lines were blown down in Argenta. Dollar amounts estimates of crop damage was around $2.2 million.
Hail, Macon
- When
- August 12, 8:57 PM CST
- Where
- Macon County, 1 mi S of Decatur
- Measured
- 1 in hail
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 39.830, -88.950
Hail, Champaign
- When
- August 12, 8:57 PM CST
- Where
- Champaign County, 1 mi N of Champaign
- Measured
- 0.75 in hail
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 40.130, -88.250
Thunderstorm Wind, Sangamon
- When
- August 12, 9:10 PM CST
- Where
- Sangamon County, Auburn
- Measured
- 52 kt (60 mph)
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 39.580, -89.750
Several trees and tree limbs blown down.
Hail, Sangamon
- When
- August 12, 9:15 PM CST to 9:20 PM CST
- Where
- Sangamon County, Divernon to Pawnee
- Measured
- 1 in hail
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 39.570, -89.670
Thunderstorm Wind, Douglas
- When
- August 12, 9:24 PM CST
- Where
- Douglas County, Tuscola
- Property damage
- $10,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 39.800, -88.280
Several large tree limbs blown down, some of which knocked down a couple of power lines.
Thunderstorm Wind, Christian
- When
- August 12, 9:35 PM CST
- Where
- Christian County, 1 mi SE of Edinburg
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 39.630, -89.370
Tree blown down across road.
Thunderstorm Wind, Coles
- When
- August 12, 9:49 PM CST to 10:05 PM CST
- Where
- Coles County, Mattoon to 2 mi of Charleston
- Property damage
- $20,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 39.520, -88.370
Numerous tree limbs and power lines blown down.
Thunderstorm Wind, Edgar
- When
- August 12, 10:15 PM CST
- Where
- Edgar County, Paris
- Property damage
- $20,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 39.620, -87.700
Several power lines blown down. A large tree limb went through the roof of a house on the northwest side of town, causing minor damage.
- 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.
- Lightning Strike in Florida, August 12, 19991 death · 1 event
- Tornado and Flash Flood in Tennessee, August 12, 1999$180,000 · F0 · 25 events
- Damaging Wind in Missouri, August 12, 1999$500,000 · 70 kt wind · 1 event
- Hail and Damaging Winds in Georgia, August 12, 1999$63,000 · 2 in hail · 9 events
- Damaging Winds and Lightning Strike in Oklahoma, August 12, 1999$46,000 · 63 kt wind · 10 events
- Tornado in Illinois, August 12, 1999$20,000 · F1 · 1 event
- Damaging Winds in Illinois, August 12, 1999$50,000 · 60 kt wind · 2 events
- Lightning Strike in South Dakota, August 12, 1999$50,000 · 1 event
- Damaging Wind in Florida, August 12, 1999$40,000 · 1 event
- Damaging Winds in Oklahoma, August 12, 1999$26,000 · 54 kt wind · 7 events
- Damaging Wind in Alabama, August 12, 1999$35,000 · 55 kt wind · 1 event
- Damaging Wind in Kentucky, August 12, 1999$30,000 · 52 kt wind · 1 event
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: 5713270, 5713271, 5713368, 5713371, 5713372, 5713369, 5713370, 5713373, 5713374, 5713375, 5713476, 5713376, 5713377, 5713378, 5713471, 5713473, 5713472, 5713474, 5713475.