Heavy Snow, Lyon
- When
- January 4, 4:00 PM CST to January 5, 6:00 PM CST
- Where
- Lyon forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 43.381, -96.210 (the zone’s center; the record gives no point)
Heavy Snow in Iowa, January 4 to 5, 2005
Widespread heavy snow accumulated 6 to 12 inches, disrupting and delaying travel. A few schools were closed; others started later or finished earlier than scheduled.
Where it happened
Every event with a place to put it; 11 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
- 11
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 FSD wrote it up.
Widespread heavy snow accumulated 6 to 12 inches, disrupting and delaying travel. A few schools were closed; others started later or finished earlier than scheduled. The greatest reported accumulation was 12 inches just east of Sioux City.
The radar
The national radar mosaic for the moment the first event began.
Event by event
11 heavy snow. Local standard time, as filed.
Heavy Snow, Plymouth
- When
- January 4, 4:00 PM CST to January 5, 6:00 PM CST
- Where
- Plymouth forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.738, -96.214 (the zone’s center; the record gives no point)
Heavy Snow, Sioux
- When
- January 4, 4:00 PM CST to January 5, 6:00 PM CST
- Where
- Sioux forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 43.083, -96.178 (the zone’s center; the record gives no point)
Heavy Snow, Woodbury
- When
- January 4, 4:00 PM CST to January 5, 6:00 PM CST
- Where
- Woodbury forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.390, -96.045 (the zone’s center; the record gives no point)
Heavy Snow, Buena Vista
- When
- January 4, 6:00 PM CST to January 5, 9:00 PM CST
- Where
- Buena Vista forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.736, -95.151 (the zone’s center; the record gives no point)
Heavy Snow, Cherokee
- When
- January 4, 6:00 PM CST to January 5, 9:00 PM CST
- Where
- Cherokee forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.736, -95.624 (the zone’s center; the record gives no point)
Heavy Snow, Clay
- When
- January 4, 6:00 PM CST to January 5, 9:00 PM CST
- Where
- Clay forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 43.083, -95.151 (the zone’s center; the record gives no point)
Heavy Snow, Dickinson
- When
- January 4, 6:00 PM CST to January 5, 9:00 PM CST
- Where
- Dickinson forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 43.378, -95.151 (the zone’s center; the record gives no point)
Heavy Snow, Ida
- When
- January 4, 6:00 PM CST to January 5, 9:00 PM CST
- Where
- Ida forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.387, -95.513 (the zone’s center; the record gives no point)
Heavy Snow, O'Brien
- When
- January 4, 6:00 PM CST to January 5, 9:00 PM CST
- Where
- O'Brien forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 43.084, -95.625 (the zone’s center; the record gives no point)
Heavy Snow, Osceola
- When
- January 4, 6:00 PM CST to January 5, 9:00 PM CST
- Where
- Osceola forecast zone
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 43.379, -95.624 (the zone’s center; the record gives no point)
What these are
- Heavy Snow
- Snowfall reaching the local warning threshold without the other hazards of a winter storm.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Winter Storm in Kansas, January 4 to 5, 2005
- Winter Storm in Nebraska, January 4 to 6, 2005
- Flash Flooding and Flooding in Missouri, January 4 to 6, 2005
- Winter Storm and Winter Weather in Kansas, January 4 to 5, 2005
- Rip Current in Florida, January 4, 2005
- Winter Storm in Kansas, January 4 to 5, 2005
- Heavy Snow in Iowa, January 4 to 6, 2005
- Flooding in Ohio, January 4 to 17, 2005
- Ice Storm and Heavy Snow in Iowa, January 4 to 6, 2005
- Winter Storm in Oklahoma, January 4 to 5, 2005
- Debris Flow in California, January 4, 2005
- Flood and Lightning Strikes in Oklahoma, January 4 to 8, 2005
More
Every storm in Iowa in 2005Every state in 2005This day in weather historyWarnings in Iowa, January 2005
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 2026-10-01. Each event’s entry at NCEI: 5434670, 5434673, 5434674, 5434772, 5434665, 5434666, 5434667, 5434668, 5434669, 5434671, 5434672.