577  
ASUS43 KLOT 041456  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1000 AM CDT FRI SEP 04 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.
 
 
ILZ001-002-007-009-015-016-024-041600-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE SUNNY 85 73 67 SW3 29.94R HX 91 TC 29  

 
 
ILZ003-004-008-010-011-017-018-041600-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD PTSUNNY 81 73 76 NE8 29.99R HX 86 TC 27  

 
 
ILZ005-006-012>014-019>023-041600-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE MOSUNNY 81 73 76 E13 29.98R HX 86 TC 27  
CHICAGO-MIDWAY NOT AVBL  
AURORA MOSUNNY 83 74 74 E6 29.97R HX 89 TC 28  
WAUKEGAN PTSUNNY 74 72 93 NE8 30.03R TC 23  
DUPAGE AIRPORT SUNNY 82 74 76 E10 29.98S HX 88 TC 28  
WHEELING MOSUNNY 79 71 76 E10 30.01R HX 82 TC 26  
ROMEOVILLE* MOSUNNY 86 79 79 N3 29.98R HX 99 TC 30  
NORTHERLY ISL* N/A 77 71 82 NE12 N/A TC 25  

 
 
LMZ740>746-041600-  
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 72 360/ 10/ 16 1015.7F 3/ 4  
WAUKEGAN HARBOR 74 71 20/ 10/ 14 1017.2R 2/ 3  
WILMETTE BUOY 75 90/ 14/ 19 1018.2 2/ 4  
NORTHERLY ISL 79 10/ 5/ 6 N/A  
CALUMET HARBOR 10/ 6/ 8 1015.3  
MICH CITY BUOY 76 74 60/ 8/ 10 N/A 0  
ST. JOSEPH BUOY 76 73 70/ 14/ 19 1016.6R 1  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-041600-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-041600-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PEORIA NOT AVBL  
SPRINGFIELD SUNNY 91 71 51 W9 29.98R HX 97 TC 33  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-041600-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

 
 
ILZ079-100>102-041600-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-041600-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE NOT AVBL  

 
 
ILZ067-068-072-073-078-083-087-091-041600-  
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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