449  
ASUS43 KLOT 100403  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1100 PM CDT WED SEP 09 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.
 
 
ILZ001-002-007-009-015-016-024-100500-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE MOCLDY 70 69 97 W3 30.02S TC 21  
STERLING* MOCLDY 69 69 100 SW3 30.03S TC 21  
SAVANNA* PTCLDY 69 66 91 E3 30.02S TC 20  

 
 
ILZ003-004-008-010-011-017-018-100500-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD MOCLDY 69 68 96 S3 30.02S TC 21  
FREEPORT* PTCLDY 69 68 95 SW7 30.04S TC 21  

 
 
ILZ005-006-012>014-019>023-100500-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE MOCLDY 72 69 90 SW7 30.00S TC 22  
CHICAGO-MIDWAY MOCLDY 72 69 90 W7 30.00F TC 22  
AURORA PTCLDY 68 68 100 W3 30.02S TC 20  
JOLIET* PTCLDY 72 71 96 CALM 30.02S TC 22  
WAUKEGAN PTCLDY 69 68 96 W5 29.98F TC 21  
DUPAGE AIRPORT PTCLDY 70 68 93 W6 30.02S TC 21  
KANKAKEE* PTCLDY 68 67 95 W6 30.04R TC 20  
WHEELING PTCLDY 72 69 90 SW6 30.01S TC 22  
LANSING* PTCLDY 69 68 94 W5 30.01F TC 21  
NORTHERLY ISL* N/A 74 68 81 W9 N/A TC 23  

 
 
LMZ740>746-100500-  
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 70 65 240/ 6/ 10 1012.9R 0  
WAUKEGAN HARBOR 70 62 220/ 8/ 12 1015.7S 0  
WILMETTE BUOY 72 240/ 6/ 6 1018.5R 0  
CHICAGO BUOY 75 72 1014.7S 1  
HARRISON CRIB 75 260/ 13/ 14 N/A  
NORTHERLY ISL 74 270/ 5/ 9 N/A  
CALUMET HARBOR 73 230/ 4/ 6 1016.1F  
MICHIGAN CITY 72 230/ 11/ 12 1014.4R  
MICH CITY BUOY 71 70 240/ 8/ 10 N/A 1/ 3  
ST. JOSEPH BUOY 72 71 240/ 10/ 10 1016.2F 1/ 3  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-100500-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY CLOUDY 69 68 96 CALM 30.05F TC 21  
MACOMB* CLOUDY 67 67 100 SW5 30.06F TC 20  
PITTSFIELD* CLOUDY 71 70 98 CALM 30.06F TC 22  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-100500-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
BLOOMINGTON PTCLDY 70 68 93 W6 30.06S TC 21  
DECATUR PTCLDY 70 64 81 CALM 30.05S TC 21  
PEORIA MOCLDY 70 68 93 CALM 30.04F TC 21  
LACON* PTCLDY 68 66 92 CALM 30.03S TC 20  
LINCOLN* PTCLDY 70 70 100 CALM 30.04F TC 21  
SPRINGFIELD PTCLDY 68 65 90 S3 30.05S TC 20  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-100500-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN PTCLDY 66 64 93 S3 30.05R TC 19  
MATTOON MOCLDY 72 66 81 NW3 30.04S TC 22  

 
 
ILZ079-100>102-100500-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CAHOKIA* PTCLDY 79 66 64 NE5 30.02S HX 81 TC 26  
SPARTA* CLOUDY 80 72 76 S3 30.02F HX 84 TC 27  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-100500-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE NOT AVBL  
EFFINGHAM* CLOUDY 76 64 67 CALM 30.06S TC 24  
MT. VERNON PTCLDY 79 71 76 N6 30.04R HX 82 TC 26  
CENTRALIA* MOCLDY 76 68 77 CALM 30.04F TC 24  
SALEM* MOCLDY 76 69 79 MISG 30.04F TC 24  

 
 
ILZ067-068-072-073-078-083-087-091-100500-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE PTCLDY 77 69 76 CALM 30.03R TC 25  
FAIRFIELD* MOCLDY 78 69 73 CALM 30.04R HX 81 TC 26  
HARRISBURG* CLEAR 75 73 93 CALM 30.04R TC 24  

 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  

 
 
 
 
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