724  
ASUS43 KLOT 190410  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1100 PM CDT MON MAY 18 2026  
 
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.  
 
ILZ001-002-007-009-015-016-024-190500-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE MOCLDY 68 61 78 S12 29.85F TC 20  
STERLING* CLOUDY 68 64 87 SE5 29.91R TC 20  
 
 
ILZ003-004-008-010-011-017-018-190500-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD CLOUDY 69 63 81 S10 29.91R TC 21  
 
 
ILZ005-006-012>014-019>023-190500-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE MOCLDY 67 62 84 S8 29.90R TC 19  
CHICAGO-MIDWAY CLOUDY 68 62 81 S13 29.91R TC 20  
AURORA MOCLDY 66 63 90 S12 29.93R TC 19  
WAUKEGAN MOCLDY 68 63 84 SW12 29.88R TC 20  
DUPAGE AIRPORT MOCLDY 66 63 90 SW10 29.93R TC 19  
WHEELING MOCLDY 68 63 84 SW8 29.92R TC 20  
NORTHERLY ISL* N/A 67 60 78 S12 N/A TC 19  
 
 
LMZ740>746-190500-  
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)  
WINTHROP HARBOR 49 1006.0 1/ 4  
WAUKEGAN HARBOR 58 54 190/ 6/ 10 1013.1 1/ 3  
WILMETTE BUOY 60 180/ 8/ 10 1013.4F 1/ 3  
CHICAGO BUOY 62 55 200/ 12/ 17 1011.7 1/ 3  
HARRISON CRIB 66 180/ 20/ 21 N/A  
NORTHERLY ISL 68 180/ 8/ 18 N/A  
CALUMET HARBOR 67 180/ 9/ 13 1012.7F  
BURNS HARBOR 67 170/ 6/ 9 1013.9F  
MICHIGAN CITY 68 150/ 11/ 14 1011.6F  
ST. JOSEPH BUOY 59 170/ 8/ 10 1013.8F 2/ 4  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-190500-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
QUINCY CLOUDY 69 63 81 S20G30 29.88S TC 21  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-190500-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
BLOOMINGTON PTCLDY 63 61 93 S7 29.96R TC 17  
DECATUR CLEAR 62 59 90 MISG 29.97R TC 17  
PEORIA NOT AVBL  
SPRINGFIELD CLEAR 67 61 81 S13 29.94R TC 19  
TAYLORVILLE NOT AVBL  
 
 
ILZ033-039-045-046-055>057-062-063-190500-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHAMPAIGN PTCLDY 62 61 96 SE5 29.98R TC 17  
MATTOON PTCLDY 64 61 90 MISG 30.00R TC 18  
 
 
ILZ079-100>102-190500-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
BELLEVILLE CLEAR 66 64 94 S9 29.98R TC 19  
CAHOKIA* CLEAR 66 62 87 S9 29.99R TC 19  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190500-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE NOT AVBL  
MT. VERNON PTCLDY 66 63 90 S3 30.03R TC 19  
 
 
ILZ067-068-072-073-078-083-087-091-190500-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  
 
 
 
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