1 flash flood, as filed by the National Weather Service.
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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 national radar mosaic for the moment the first event began.
1 flash flood. Local standard time, as filed.
A series of thunderstorms moved across western portions of Clark County dumping up to 6 inches of rain in the West Union area in less than three hours. Numerous roads were flooded. However, no structural damage or injuries were reported.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 1998Every state in 1998This day in weather historyWarnings in Illinois, August 1998
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: 5661803.