Winter Storm, Whiteside
- When
- December 23, 2:00 PM CST to 11:00 PM CST
- Where
- Whiteside forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.756, -89.914 (the zone’s center; the record gives no point)
Winter Storm in Illinois, December 23, 1999
Low pressure over Southern Minnesota dropped southeast and brought widespread light to moderate snow to much of Eastern Iowa and Northwest Illinois. Accumulations of 2 to 4 inches occurred north of Highway 34 with 1 to 3 inches to the south where the snow was mixed with freezing rain and sleet at times.
Where it happened
Every event with a place to put it; 13 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
- None recorded
- Crop damage
- None recorded
- Events
- 13
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 DVN wrote it up.
Low pressure over Southern Minnesota dropped southeast and brought widespread light to moderate snow to much of Eastern Iowa and Northwest Illinois. Accumulations of 2 to 4 inches occurred north of Highway 34 with 1 to 3 inches to the south where the snow was mixed with freezing rain and sleet at times. Numerous accidents were reported as roads were slick and hazardous.
The radar
The national radar mosaic for the moment the first event began.
Event by event
13 winter storm. Local standard time, as filed.
Winter Storm, Bureau
- When
- December 23, 2:00 PM CST to 11:00 PM CST
- Where
- Bureau forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.404, -89.529 (the zone’s center; the record gives no point)
Winter Storm, Carroll
- When
- December 23, 2:00 PM CST to 11:00 PM CST
- Where
- Carroll forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.069, -89.934 (the zone’s center; the record gives no point)
Winter Storm, Hancock
- When
- December 23, 2:00 PM CST to 11:00 PM CST
- Where
- Hancock forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.404, -91.165 (the zone’s center; the record gives no point)
Winter Storm, Henderson
- When
- December 23, 2:00 PM CST to 11:00 PM CST
- Where
- Henderson forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.818, -90.925 (the zone’s center; the record gives no point)
Winter Storm, Henry
- When
- December 23, 2:00 PM CST to 11:00 PM CST
- Where
- Henry forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.353, -90.131 (the zone’s center; the record gives no point)
Winter Storm, Jo Daviess
- When
- December 23, 2:00 PM CST to 11:00 PM CST
- Where
- Jo Daviess forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.366, -90.212 (the zone’s center; the record gives no point)
Winter Storm, McDonough
- When
- December 23, 2:00 PM CST to 11:00 PM CST
- Where
- McDonough forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.456, -90.678 (the zone’s center; the record gives no point)
Winter Storm, Mercer
- When
- December 23, 2:00 PM CST to 11:00 PM CST
- Where
- Mercer forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.205, -90.741 (the zone’s center; the record gives no point)
Winter Storm, Putnam
- When
- December 23, 2:00 PM CST to 11:00 PM CST
- Where
- Putnam forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.205, -89.286 (the zone’s center; the record gives no point)
Winter Storm, Rock Island
- When
- December 23, 2:00 PM CST to 11:00 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)
Winter Storm, Stephenson
- When
- December 23, 2:00 PM CST to 11:00 PM CST
- Where
- Stephenson forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.352, -89.662 (the zone’s center; the record gives no point)
Winter Storm, Warren
- When
- December 23, 2:00 PM CST to 11:00 PM CST
- Where
- Warren forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.849, -90.615 (the zone’s center; the record gives no point)
What these are
- Winter Storm
- A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
More
Every storm in Illinois in 1999Every state in 1999This day in weather historyWarnings in Illinois, December 1999
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: 5719889, 5722051, 5722052, 5722053, 5722054, 5722055, 5722056, 5722057, 5722058, 5722059, 5722060, 5722061, 5722062.