Thunderstorm Wind, McHenry
- When
- July 21, 12:10 PM CST to 12:17 PM CST
- Where
- McHenry County, Harvard to Woodstock
- Measured
- 54 kt (62 mph)
- Reported by
- TRAINED SPOTTER
- Coordinates
- 42.420, -88.620
Damaging Winds in Illinois, July 21, 1998
Trees, branches and power lines were downed at Harvard and the roof of a house was damaged. Trees were uprooted at Hebron.
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
The toll
- Deaths
- 0
- Injuries
- 3
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 2
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.
Trees, branches and power lines were downed at Harvard and the roof of a house was damaged. Trees were uprooted at Hebron. A gust to 62 mph was recorded by a spotter. Trees and power lines were blown down at Fox Lake. A wall fell on a man at a construction site. Two women were injured, one of them seriously, by a falling tree at a Lake Villa park.
The radar
The Milwaukee radar (KMKX), 61 km away, was scanning. The volume nearest the first event began at 18:11 UTC.
Event by event
2 thunderstorm wind. Local standard time, as filed.
Thunderstorm Wind, Lake
- When
- July 21, 12:35 PM CST
- Where
- Lake County, Fox Lake
- Measured
- 50 kt (58 mph)
- Injuries
- 3 direct, 0 indirect
- Reported by
- TRAINED SPOTTER
- Coordinates
- 42.400, -88.170
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
- Hail and Damaging Winds in Michigan, July 21, 1998
- Damaging Winds in Wisconsin, July 21, 1998
- Flooding and Hail in Indiana, July 21, 1998
- Heat in Texas, July 21, 1998
- Heat in Oklahoma, July 21, 1998
- Lightning Strike in Nebraska, July 21, 1998
- Heat in Missouri, July 21, 1998
- Damaging Wind in Ohio, July 21, 1998
- Damaging Winds and Lightning Strikes in Michigan, July 21, 1998
- Lightning Strike in Ohio, July 21, 1998
- Damaging Winds and Lightning Strike in Maryland, July 21, 1998
- Hail and Damaging Winds in Ohio, July 21, 1998
More
Every storm in Illinois in 1998Every state in 1998This day in weather historyWarnings in Illinois, July 1998
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: 5654525, 5654526.