Winter Storm, Rock Island
- When
- December 5, 7:00 AM CST to 1:00 PM CST
- Where
- Rock Island forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.467, -90.567 (the zone’s center; the record gives no point)
Low pressure over Missouri lifted into the Ohio Valley. Precipitation began as rain, but as the system moved east strong north winds on the backside of the storm ushered in colder air allowing for a changeover from rain to snow.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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 episode as NWS DVN wrote it up.
Low pressure over Missouri lifted into the Ohio Valley. Precipitation began as rain, but as the system moved east strong north winds on the backside of the storm ushered in colder air allowing for a changeover from rain to snow. A narrow band of 1 to 4 inches of snow fell from Northeast Missouri through the Quad Cities into Northwest Illinois.
The national radar mosaic for the moment the first event began.
2 winter storm. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 1999Every state in 1999This day in weather historyWarnings in Illinois, December 1999
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: 5721716, 5721717.