Illinois, 2000

Damaging Winds in Illinois, August 6, 2000

August 6, 2000 · NWS LOT · 4 events in 1 county or zone

A line of severe thunderstorms developed in west central Illinois and moved northeast into La Salle County. Widespread tree damage was reported throughout the communities of Oglesbey and Ottawa.

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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
4

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.

What happened

The episode as NWS LOT wrote it up.

A line of severe thunderstorms developed in west central Illinois and moved northeast into La Salle County. Widespread tree damage was reported throughout the communities of Oglesbey and Ottawa. Large trees were downed along the Illinois River at Starved Rock and Buffalo Rock State Parks, with park clean-up taking two weeks.

The radar

The Chicago radar (KLOT), 89 km away, was scanning. The volume nearest the first event began at 21:06 UTC.

Open the radar archive at this moment

Event by event

4 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, La Salle

When
August 6, 3:05 PM CST
Where
La Salle County, Oglesbey
Measured
70 kt (81 mph)
Reported by
NWS EMPLOYEE(OFF DUTY)
Coordinates
41.300, -89.067

Thunderstorm Wind, La Salle

When
August 6, 3:10 PM CST
Where
La Salle County, Stavanger
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
41.400, -88.617

Thunderstorm Wind, La Salle

When
August 6, 3:35 PM CST
Where
La Salle County, 5 mi SW of Ottawa
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
41.300, -88.917

Thunderstorm Wind, La Salle

When
August 6, 3:40 PM CST
Where
La Salle County, Ottawa
Measured
70 kt (81 mph)
Reported by
LAW ENFORCEMENT
Coordinates
41.350, -88.850

What these are

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

More

Every storm in Illinois in 2000Every state in 2000This day in weather historyWarnings 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: 5155065, 5155066, 5155067, 5155068.