An upper level system moved into the region during the day on January 14th. Widespread precipitation developed and spread across the region.
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 LSX wrote it up.
An upper level system moved into the region during the day on January 14th. Widespread precipitation developed and spread across the region. Initially some locations had rain, but the rain quickly changed to all snow. It was a wet, heavy snow with snowfall rates up to an inch at times. A large portion of northeast Missouri and west central Illinois received over 6 inches of snow for this event.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS St. Louis, MO wrote its last area forecast discussion before the first event at Jan 14, 2:55 PM CST, 2 hours 5 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
2 heavy snow. Local standard time, as filed.
Heavy snow fell across Adams County. Up to 6.5 inches of snow fell in some locations.
Heavy snow fell across northern portions of Brown County. Up to 6 inches of snow fell in some locations.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2022Every state in 2022This day in weather historyWarnings in Illinois, January 2022
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 2026-09-30. Each event’s entry at NCEI: 1006524, 1006525.