Hail, McLean
- When
- August 23, 5:12 PM CST
- Where
- McLean County, 2 mi W of Normal
- Measured
- 1 in hail
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 40.517, -89.033
Tornado and Flash Flood in Illinois, August 23 to 24, 2000
5 thunderstorm wind, 1 hail, 1 tornado, 1 flash flood, as filed by the National Weather Service.
Where it happened
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
- $10,000
- Crop damage
- None recorded
- Events
- 8
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.
The radar
The national radar mosaic for the moment the first event began.
Event by event
5 thunderstorm wind, 1 hail, 1 tornado, 1 flash flood. Local standard time, as filed.
Thunderstorm Wind, Tazewell
- When
- August 23, 5:15 PM CST
- Where
- Tazewell County, Mackinaw
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 40.533, -89.350
A fifteen inch diameter tree was blown down.
Thunderstorm Wind, McLean
- When
- August 23, 5:17 PM CST to 5:39 PM CST
- Where
- McLean County, Danvers
- Property damage
- $3,000
- Reported by
- NWS STORM SURVEY
- Coordinates
- 40.533, -89.167
From just south of Danvers to Bloomington, sporadic wind damage was observed. Minor crop damage was found, as well as, numerous downed trees. In Bloomington, numerous power lines and large tree limbs were blown down. One large tree limb fell onto a porch damaging it, then landed on a sport utility vehicle causing minor damage. No injuries were reported.
Tornado, McLean
- When
- August 23, 5:23 PM CST to 5:24 PM CST
- Where
- McLean County, 1 mi WSW of Twin Grove
- Rating
- F1
- Path length
- 0.5 mi
- Path width
- 86 yd
- Property damage
- $7,000
- Reported by
- NWS STORM SURVEY
- Coordinates
- 40.500, -89.100
Within a path of damaging winds, a tornado spun up 1.2 miles west southwest of Twin Grove. It destroyed a large section of a corn field, then crossed a county road destroying several mature trees and demolishing a small metal shed. The house on the property suffered only superficial damage to some trim. The tornado continued to the southeast to another homestead, destroying several more mature trees and some rail fencing. Sheet metal from the shed was found scattered about the second homestead. The house on this property was undamaged. The tornado then reached a densely forested area, where surface friction dissipated the vortex. No injuries were reported.
Flash Flood, Richland
- When
- August 23, 9:00 PM CST to August 24, 12:15 AM CST
- Where
- Richland County, Olney
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 38.712, -88.085 (the zone’s center; the record gives no point)
Severe thunderstorms across the county dropped heavy rainfall onto already saturated ground. Radar estimates indicated 3 to 4 inches of rain fell during the evening hours. As a result, numerous roads in the Olney area were reported underwater and impassable through the evening. No injuries were reported and no damage estimates were available.
Thunderstorm Wind, Morgan
- When
- August 23, 9:17 PM CST
- Where
- Morgan County, Waverly
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.583, -89.950
Thunderstorm winds blew down several power lines in town.
Thunderstorm Wind, Richland
- When
- August 23, 9:22 PM CST to 9:27 PM CST
- Where
- Richland County, Olney
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 38.733, -88.083
Several power lines and a large tree were blown down in Olney.
Thunderstorm Wind, Clay
- When
- August 23, 11:32 PM CST
- Where
- Clay County, Xenia
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 38.633, -88.633
A large tree was blown down in Xenia.
What these are
- 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.
- 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.
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Lightning Strike in Utah, August 23, 2000
- Dense Fog in Wisconsin, August 23, 2000
- Lightning Strike in Washington, August 23 to 27, 2000
- Damaging Winds in Missouri, August 23, 2000
- Lightning Strike in Louisiana, August 23, 2000
- Lightning Strike in Indiana, August 23, 2000
- Hail in Illinois, August 23, 2000
- Damaging Wind in Indiana, August 23, 2000
- Damaging Wind in Oklahoma, August 23, 2000
- Lightning Strike in Minnesota, August 23, 2000
- Flash Flood in Utah, August 23, 2000
- Dense Fog in Wisconsin, August 23, 2000
More
Every storm in Illinois in 2000Every state in 2000This day in weather historyThe tornado archive for Illinois, 2000Warnings in Illinois, August 2000
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: 5172487, 5172488, 5173304, 5173303, 5172486, 5173305, 5173306, 5173307.