Heavy Snow, Alexander
- When
- January 24, 9:00 PM CST to January 25, 8:00 AM CST
- Where
- Alexander forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 37.192, -89.338 (the zone’s center; the record gives no point)
Widespread snowfall blanketed southern Illinois during the night of the 24th into the early morning hours of the 25th. Heavy snowfall occurred along and west of Interstate 57, or roughly along and west of a Mount Vernon to Marion to Cairo line.
Every event with a place to put it; 19 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 PAH wrote it up.
Widespread snowfall blanketed southern Illinois during the night of the 24th into the early morning hours of the 25th. Heavy snowfall occurred along and west of Interstate 57, or roughly along and west of a Mount Vernon to Marion to Cairo line. Snowfall in those areas was generally 4 to 5 inches. Elsewhere, snowfall was in the 1 to 3 inch range. Specific snowfall amounts included 6 inches at Murphysboro, 5 inches at Carbondale and Ava (Jackson County), 5 inches at Cobden (Union County), 4 inches at Sesser (Franklin County), 4 inches at Marion and Mount Vernon, 3 inches at Junction (Gallatin County), 2.5 inches at Harrisburg, and 1 inch at Mount Carmel and Fairfield. The heavy, wet snow was enough to bring down some tree limbs and power lines in the forested areas of Union and Jackson Counties, where 5 to 6 inches fell. The power outages were isolated, and mostly from Ava in northwest Jackson County to the Shawnee National Forest area of Union County. Snowfall rates were quite heavy for a couple hours, even around an inch per hour. Roads were snow-covered and slippery during the heavy snow, with numerous vehicles sliding off the road. Temperatures rose above freezing soon after the snow ended, so treated roads improved rather quickly later in the morning. The snow occurred northwest of a surface low that moved from Memphis, TN to Murray and Owensboro, KY. Once temperatures cooled during the evening of the 24th, enough cold air remained in place for widespread snow.
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 Paducah, KY wrote its last area forecast discussion before the first event at Jan 24, 5:35 PM CST, 3 hours 25 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
12 winter weather, 7 heavy snow. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2023Every state in 2023This day in weather historyWarnings in Illinois, January 2023
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: 1070271, 1070272, 1070273, 1070274, 1070275, 1070276, 1070277, 1070278, 1070279, 1070280, 1070281, 1070282, 1070283, 1070284, 1070285, 1070286, 1070287, 1070288, 1070289.