490  
ASUS43 KLOT 092156  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
500 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.  
 
ILZ001-002-007-009-015-016-024-092300-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE PTSUNNY 79 69 71 W13 30.02F HX 81 TC 26  
 
 
ILZ003-004-008-010-011-017-018-092300-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD PTSUNNY 79 69 71 W12 30.01S HX 81 TC 26  
 
 
ILZ005-006-012>014-019>023-092300-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE PTSUNNY 78 68 71 W13G18 29.98F HX 80 TC 26  
CHICAGO-MIDWAY NOT AVBL  
AURORA PTSUNNY 77 70 79 W8 30.00F TC 25  
WAUKEGAN MOSUNNY 77 70 79 SW13 29.96F TC 25  
DUPAGE AIRPORT PTSUNNY 78 70 76 W14 30.00F HX 80 TC 26  
WHEELING MOSUNNY 78 69 73 W8 29.99F HX 80 TC 26  
NORTHERLY ISL* N/A 79 66 64 SW8 N/A HX 81 TC 26  
 
 
LMZ740>746-092300-  
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 74 65 240/ 8/ 14 1019.3F 1  
WAUKEGAN HARBOR 73 56 250/ 12/ 17 1015.1F 0  
WILMETTE BUOY 75 280/ 10/ 14 1018.0F 1/ 2  
CHICAGO BUOY 78 72 1014.3F 1  
HARRISON CRIB 79 260/ 12/ 14 N/A  
NORTHERLY ISL 79 260/ 8/ 12 N/A  
CALUMET HARBOR 230/ 5/ 11 1015.6  
MICHIGAN CITY 72 220/ 8/ 8 1014.4S  
MICH CITY BUOY 72 70 230/ 4/ 6 N/A 1/ 3  
ST. JOSEPH BUOY 72 71 210/ 6/ 8 1016.2F 2/ 4  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-092300-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-092300-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
PEORIA NOT AVBL  
SPRINGFIELD MOSUNNY 78 66 66 NW7 30.04S HX 80 TC 26  
TAYLORVILLE NOT AVBL  
 
 
ILZ033-039-045-046-055>057-062-063-092300-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ILZ079-100>102-092300-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-092300-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE SUNNY 88 75 66 S9 30.03S HX 97 TC 31  
 
 
ILZ067-068-072-073-078-083-087-091-092300-  
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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