436  
ASUS43 KLOT 220401  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1000 PM CST FRI FEB 21 2025  
 
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO  
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.  
 
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT  
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.  
 
ILZ001-002-007-009-015-016-024-220500-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE CLEAR 17 7 64 SW8 30.44F WCI 7 TC -8  
STERLING* CLEAR 9 2 73 SW6 30.44F WCI -1 TC -13  
 
 
ILZ003-004-008-010-011-017-018-220500-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD CLEAR 12 5 73 S6 30.42F WCI 3 TC -11  
FREEPORT* CLEAR 17 8 70 SW12 30.41F WCI 4 TC -9  
 
 
ILZ005-006-012>014-019>023-220500-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE CLEAR 20 12 71 S9 30.40F WCI 9 TC -7  
CHICAGO-MIDWAY CLEAR 21 12 68 SW8 30.43F WCI 11 TC -6  
AURORA CLEAR 4 1 88 W3 30.42F TC -16  
WAUKEGAN CLEAR 18 10 71 SW13 30.38F WCI 5 TC -8  
DUPAGE AIRPORT CLEAR 14 8 77 SW7 30.41F WCI 4 TC -10  
WHEELING N/A 20 12 71 SW7 30.41F WCI 11 TC -7  
MORRIS* CLEAR 19 13 79 SW8 30.45F WCI 8 TC -7  
LANSING* CLEAR 19 10 68 SW8 30.45F WCI 8 TC -7  
 
 
LMZ740>746-220500-  
SOUTHERN LAKE MICHIGAN  
 
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE  
AIR SEA DIR/SP/G HT/PER  
(F) (DEG/KT/KT) (MB) (MI) (FT/S)  
HARRISON CRIB 25 200/ 21/ 23 N/A  
NORTHERLY ISL 23 220/ 6/ 10 N/A  
CALUMET HARBOR 23 220/ 6/ 8 1029.8F  
BURNS HARBOR 24 210/ 5/ 8 1031.5F  
MICHIGAN CITY 24 200/ 11/ 12 1031.7F  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-220500-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
QUINCY CLEAR 17 7 64 S6 30.48F WCI 9 TC -8  
MACOMB* CLEAR 19 10 68 SW8 30.50S WCI 9 TC -7  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-220500-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
BLOOMINGTON CLEAR 16 13 88 SW8 30.48S WCI 5 TC -9  
DECATUR CLEAR 19 13 77 S7 30.51F WCI 10 TC -7  
PEORIA CLEAR 21 11 65 SW9 30.48S WCI 11 TC -6  
LINCOLN* CLEAR 19 13 75 S3 30.50F TC -7  
SPRINGFIELD CLEAR 18 10 71 S6 30.51F WCI 10 TC -8  
TAYLORVILLE NOT AVBL  
 
 
ILZ033-039-045-046-055>057-062-063-220500-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHAMPAIGN CLEAR 15 11 83 S7 30.49F WCI 5 TC -9  
MATTOON CLEAR 18 11 74 S5 30.51F WCI 11 TC -8  
 
 
ILZ079-100>102-220500-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ALTON CLEAR 16 10 79 S3 30.53F TC -9  
BELLEVILLE CLEAR 18 11 74 CALM 30.53F TC -8  
CAHOKIA* CLEAR 20 9 62 CALM 30.54S TC -7  
SPARTA* CLEAR 19 9 65 SE3 30.55S TC -7  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220500-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE CLEAR 15 8 73 CALM 30.56S TC -9  
CAIRO* CLEAR 19 14 80 CALM 30.57F TC -7  
MARION CLEAR 18 8 64 CALM 30.56S TC -8  
MT. VERNON CLEAR 11 10 96 CALM 30.55F TC -12  
CENTRALIA* CLEAR 13 9 84 CALM 30.54F TC -11  
SALEM* CLEAR 16 11 82 CALM 30.53F TC -9  
METROPOLIS* CLEAR 18 11 72 CALM 30.57S TC -8  
 
 
ILZ067-068-072-073-078-083-087-091-220500-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
LAWRENCEVILLE CLEAR 16 13 88 SE6 30.56F WCI 7 TC -9  
FAIRFIELD* CLEAR 14 9 80 CALM 30.56F TC -10  
HARRISBURG* CLEAR 13 10 85 CALM 30.57S TC -10  
 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  
 
 
 
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