The following totals are preliminary.
Official observations:
Cooperative Observer Snowfall Map through 7 am Wednesday:

THE TOTALS BELOW ARE SEPARATED INTO SNOW...AND ICE AND SLEET
CATEGORIES...THEN BY AMOUNT...AND ARE NOT NECESSARILY THE
FINAL AMOUNT FOR EACH LOCATION.
COOPERATIVE OBSERVER STORM TOTAL SNOW REPORTS LISTED BY AMOUNT...
REPORTS AS OF 700 AM (2/2)...
INCHES LOCATION COUNTY
------ ------------------- -----------
19.3 ST DAVID FULTON
18.5 AVON 5NE FULTON
18.0 WINCHESTER SCOTT
17.9 PRINCEVILLE 2W PEORIA
17.0 GERMANTOWN HILLS WOODFORD
16.0 HAVANA MASON
16.0 RUSHVILLE SCHUYLER
15.9 BRADFORD 3SSE MARSHALL
15.4 TOULON STARK
15.0 GALESBURG KNOX
14.8 KNOXVILLE KNOX
14.4 MORTON TAZEWELL
14.3 MACKINAW 1N TAZEWELL
14.2 CAMP GROVE 2SW STARK
13.6 BEARDSTOWN CASS
13.0 BLOOMINGTON 5W MCLEAN
13.0 CHENOA MCLEAN
13.0 LAKE SPRINGFIELD SANGAMON
13.0 NORMAL 4NE MCLEAN
12.5 STANFORD 2S MCLEAN
12.0 JACKSONVILLE 2E MORGAN
12.0 ROANOKE WOODFORD
12.0 LINCOLN NWS LOGAN
11.6 SPRINGFIELD 2 SANGAMON
10.4 JACKSONVILLE 2 MORGAN
10.0 MASON CITY 2N MASON
9.3 MOUNT PULASKI LOGAN
8.2 FISHER CHAMPAIGN
8.0 FARMER CITY 3W DE WITT
7.0 DECATUR MACON
7.0 HOOPESTON 1NE VERMILION
6.9 URBANA CHAMPAIGN
6.0 TUSCOLA DOUGLAS
5.8 OGDEN CHAMPAIGN
4.0 SHELBYVILLE DAM SHELBY
4.0 TAYLORVILLE 2SW CHRISTIAN
3.0 PANA 3E SHELBY
2.0 WINDSOR SHELBY
2.0 CASEY CLARK
1.5 EFFINGHAM EFFINGHAM
1.0 SULLIVAN 3S MOULTRIE
0.4 ROBINSON CRAWFORD
ADDITIONAL MESONET SNOW REPORTS LISTED BY AMOUNT...
INCHES LOCATION COUNTY TIME
------ ------------------- ----------- -------
20.0 1 N ABINGDON KNOX 0700 AM
18.2 1 SW JEROME SANGAMON 0700 AM
15.6 BRYANT FULTON 0530 AM
14.7 HOPEWELL MARSHALL 0648 AM
14.0 7 W PETERSBURG MENARD 0700 AM
13.0 5 W BLOOMINGTON MCLEAN 0600 AM
12.5 1 S MOSSVILLE PEORIA 0944 AM
12.0 CHATHAM SANGAMON 1030 AM
12.0 MANITO MASON 0700 AM
12.0 LINCOLN LOGAN 0550 AM
12.0 4 NE NORMAL MCLEAN 0500 AM
11.9 2 ESE NORMAL MCLEAN 0700 AM
11.7 3 SW BLOOMINGTON MCLEAN 0700 AM
11.0 ELLISVILLE FULTON 0840 AM
9.0 1 S OREANA MACON 0742 AM
7.0 1 NNE MAHOMET CHAMPAIGN 0700 AM
6.0 1 SSW CHAMPAIGN CHAMPAIGN 0700 AM
5.0 AUBURN SANGAMON 0700 AM
4.2 2 N HOMER CHAMPAIGN 0843 AM

SLEET AND FREEZING RAIN REPORTS LISTED BY AMOUNT...
INCHES LOCATION COUNTY TIME TYPE
------ ------------------- ----------- ------- -------------
4.00 TUSCOLA DOUGLAS 0700 AM SLEET
4.00 2 SW TAYLORVILLE CHRISTIAN 0700 AM SLEET
3.00 DANVILLE VERMILION 0630 AM SLEET
2.50 MATTOON COLES 0444 AM SLEET
2.00 CASEY CLARK 0700 AM SLEET
2.00 WINDSOR SHELBY 0600 AM SLEET
0.60 EFFINGHAM EFFINGHAM 1029 AM FREEZING RAIN
0.60 CHARLESTON COLES 0700 AM FREEZING RAIN
0.50 10 S MARTINSVILLE CLARK 0700 AM FREEZING RAIN
0.50 3 SW EFFINGHAM EFFINGHAM 0700 AM FREEZING RAIN
0.50 LOVINGTON MOULTRIE 0700 AM FREEZING RAIN
0.40 AUBURN SANGAMON 0700 AM FREEZING RAIN
0.40 WATSON EFFINGHAM 0600 AM SLEET
0.40 NEWTON JASPER 0500 AM FREEZING RAIN
0.30 ROBINSON CRAWFORD 0700 AM FREEZING RAIN
0.25 2 E BIRDS LAWRENCE 0700 AM FREEZING RAIN
24 Hour Snowfall over Illinois from 6 am Mon/Feb 1 through 6 am Tue/Feb 2, 2011