099  
ASUS43 KLOT 101101  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
600 AM CDT THU SEP 10 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.
 
 
ILZ001-002-007-009-015-016-024-101200-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE MOCLDY 69 65 86 CALM 30.01S TC 21  
STERLING* FOG 66 66 100 CALM 30.03F VSB 1/4 TC 19  
SAVANNA* FOG 61 60 97 CALM 30.03S VSB 1 TC 16  

 
 
ILZ003-004-008-010-011-017-018-101200-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD MOCLDY 61 61 100 CALM 30.04S TC 16  
FREEPORT* PTCLDY 61 59 94 CALM 30.05S TC 16  

 
 
ILZ005-006-012>014-019>023-101200-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE MOCLDY 67 65 93 NW5 30.01R TC 19  
CHICAGO-MIDWAY MOCLDY 68 67 96 NW3 30.01R TC 20  
AURORA FOG 62 62 100 CALM 30.02R VSB 1/4 TC 17  
JOLIET* PTCLDY 67 67 100 CALM 30.01F FOG TC 20  
WAUKEGAN PTCLDY 63 60 90 NW6 30.01R TC 17  
DUPAGE AIRPORT FOG 64 64 100 CALM 30.02R VSB 1/4 TC 18  
KANKAKEE* MOCLDY 66 65 94 NW3 30.02S TC 19  
WHEELING PTCLDY 65 63 93 CALM 30.03R TC 18  
ROMEOVILLE* FOG 68 68 100 NW3 30.02R VSB 0 TC 20  
LANSING* MOCLDY 66 66 100 CALM 30.01R FOG TC 19  
NORTHERLY ISL* N/A 70 62 76 NW3 N/A TC 21  

 
 
LMZ740>746-101200-  
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 66 65 300/ 6/ 6 1011.1S 0  
WAUKEGAN HARBOR 67 62 290/ 6/ 8 1016.4R 0  
WILMETTE BUOY 71 330/ 8/ 12 1018.4R 1  
CHICAGO BUOY 72 72 1014.9R 0  
HARRISON CRIB 71 310/ 8/ 8 N/A  
NORTHERLY ISL 70 290/ 3/ 7 N/A  
CALUMET HARBOR 69 250/ 2/ 3 1016.0R  
MICHIGAN CITY 70 240/ 7/ 7 1014.6R  
MICH CITY BUOY 72 71 310/ 6/ 8 N/A 1/ 3  
ST. JOSEPH BUOY 72 71 330/ 6/ 6 1016.3R 2/ 3  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-101200-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY CLOUDY 70 70 100 CALM 30.03R TC 21  
MACOMB* CLOUDY 67 67 100 NW3 30.04S TC 19  
PITTSFIELD* RAIN 71 70 98 CALM 30.03F TC 22  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-101200-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
BLOOMINGTON PTCLDY 67 67 100 CALM 30.03S TC 19  
DECATUR MOCLDY 68 67 96 S5 30.03R TC 20  
PEORIA MOCLDY 68 67 96 CALM 30.02R TC 20  
LACON* MOCLDY 68 66 94 CALM 30.01R TC 20  
LINCOLN* CLOUDY 68 68 100 CALM 30.03R TC 20  
SPRINGFIELD LGT RAIN 69 67 93 CALM 30.03R TC 21  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-101200-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN PTCLDY 65 64 97 CALM 30.04R TC 18  
MATTOON MOCLDY 67 66 97 W3 30.03R TC 19  

 
 
ILZ079-100>102-101200-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CAHOKIA* MOCLDY 70 69 97 NW5 30.03R TC 21  
SPARTA* CLOUDY 70 70 100 N5 30.04R TC 21  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-101200-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE NOT AVBL  
EFFINGHAM* PTCLDY 68 66 94 CALM 30.04S TC 20  
MT. VERNON PTCLDY 71 70 96 CALM 30.03S TC 22  
CENTRALIA* MOCLDY 70 69 98 CALM 30.03F TC 21  
SALEM* CLOUDY 70 70 100 MISG 30.03F TC 21  

 
 
ILZ067-068-072-073-078-083-087-091-101200-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE CLOUDY 71 70 96 SW5 30.02R TC 22  
FAIRFIELD* MOCLDY 71 70 98 CALM 30.01F TC 22  
HARRISBURG* RAIN 72 72 100 SE6 30.01F TC 22  

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

 
 
 
 
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