100  
ASUS43 KLOT 091658  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1200 PM CDT THU APR 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.
 
 
ILZ001-002-007-009-015-016-024-091800-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE MOSUNNY 63 34 33 NW6 30.15F TC 17  

 
 
ILZ003-004-008-010-011-017-018-091800-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD MOSUNNY 62 32 32 W7 30.17S TC 17  

 
 
ILZ005-006-012>014-019>023-091800-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE MOSUNNY 65 35 33 W8G21 30.14S TC 18  
CHICAGO-MIDWAY NOT AVBL  
AURORA CLOUDY 65 39 38 MISG 30.15F TC 18  
WAUKEGAN SUNNY 63 38 39 W13G21 30.14S TC 17  
DUPAGE AIRPORT SUNNY 65 38 36 W12 30.15S TC 18  
WHEELING MOSUNNY 65 38 36 NW13G20 30.15S TC 18  
ROMEOVILLE* SUNNY 66 39 37 W9 30.17S TC 19  
NORTHERLY ISL* N/A 64 30 28 W7 N/A TC 18  

 
 
LMZ740>746-091800-  
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 56 41 80/ 12/ 17 1023.0R 1/ 2  
WAUKEGAN HARBOR 57 43 40/ 10/ 17 1022.4R 1/ 3  
HARRISON CRIB 62 260/ 12/ 13 N/A  
NORTHERLY ISL 64 260/ 7/ 10 N/A  
CALUMET HARBOR 210/ 6/ 10 1020.8  
BURNS HARBOR 54 280/ 2/ 3 1022.4R  
MICHIGAN CITY 57 210/ 4/ 4 1021.1R  
ST. JOSEPH BUOY 48 210/ 8/ 10 1022.4R 1/ 4  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-091800-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-091800-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PEORIA NOT AVBL  
SPRINGFIELD SUNNY 75 43 31 SW15G25 30.17F TC 24  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-091800-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

 
 
ILZ079-100>102-091800-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-091800-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE SUNNY 73 46 38 S17G28 30.27F TC 23  
MARION SUNNY 72 46 40 S18G25 30.28F TC 22  

 
 
ILZ067-068-072-073-078-083-087-091-091800-  
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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