Snow began during the mid morning hours on Monday, December 1, just 2 days after a much heavier snow fell on November 29. Although total snowfall amount were only a couple of inches, snowfall rates were briefly heavy and the temperature was very cold leading to a quick accumulation on roadways.
Every event with a place to put it; 7 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 LSX wrote it up.
Snow began during the mid morning hours on Monday, December 1, just 2 days after a much heavier snow fell on November 29. Although total snowfall amount were only a couple of inches, snowfall rates were briefly heavy and the temperature was very cold leading to a quick accumulation on roadways. The snow arrived earlier than expected leading many people caught off guard by its arrival. A rapid increase in traffic volume occurred just as roadways had become snow covered and slippery. Numerous accidents occurred leading to many road closures. Some were reportedly stuck in traffic for several hours.
The national radar mosaic for the moment the first event began.
7 winter weather. Local standard time, as filed.
Snow covered roads led to multiple accidents. Although only 2 to 3 inches of snow was reported, accidents caused one fatality and road closures led to long traffic delays.
Snow covered roads led to multiple accidents. Although only 2 to 3 inches of snow was reported, accidents caused several injuries and road closures led to long traffic delays.
Snow covered roads led to multiple accidents. Although only 2 to 3 inches of snow was reported, accidents and road closures led to at least one injury and one fatality.
Snow covered roads led to multiple accidents. Although only 2 to 3 inches of snow was reported, accidents caused several injuries and road closures led to long traffic delays.
Snow covered roads led to multiple accidents. Although only 2 to 3 inches of snow was reported, numerous traffic accidents led to the closure of I-70 and I-64 causing traffic snarls that lasted for several hours.
Snow covered roads led to multiple accidents. Although only 2 to 3 inches of snow was reported, numerous traffic accidents led to the closure of I-70, I-270, and I-64 causing traffic snarls that lasted for several hours.
Snow covered roads led to multiple accidents. Although only 2 to 3 inches of snow was reported, numerous traffic accidents led to the closure of most major interstates in the vicinity of St Louis causing traffic snarls that lasted for several hours.
As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.
| Event | Date | Age | Sex | Where | Kind |
|---|---|---|---|---|---|
| Winter Weather, Jefferson | 2025-12-01 | 54 | Male | Vehicle/Towed Trailer | Indirect |
| Winter Weather, Cole | 2025-12-01 | 21 | Male | Vehicle/Towed Trailer | Indirect |
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Missouri in 2025Every state in 2025This day in weather historyWarnings in Missouri, December 2025
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: 1305217, 1305218, 1305223, 1305224, 1305225, 1305226, 1305227.