897  
ASUS43 KLOT 261956  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
300 PM CDT SUN JUL 26 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.  
 
ILZ001-002-007-009-015-016-024-262100-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE PTSUNNY 90 82 77 SW6 29.86F HX 111 TC 32  
 
 
ILZ003-004-008-010-011-017-018-262100-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD PTSUNNY 88 78 72 S8 29.88F HX 101 TC 31  
 
 
ILZ005-006-012>014-019>023-262100-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE MOSUNNY 89 70 53 W6 29.87F HX 94 TC 32  
CHICAGO-MIDWAY NOT AVBL  
AURORA PTSUNNY 88 75 65 S9 29.88F HX 97 TC 31  
WAUKEGAN MOSUNNY 89 71 55 W7 29.87F HX 95 TC 32  
DUPAGE AIRPORT MOSUNNY 88 73 61 S7 29.88F HX 95 TC 31  
WHEELING PTSUNNY 90 70 51 SW9 29.89F HX 95 TC 32  
NORTHERLY ISL* N/A 81 71 71 E10 N/A HX 85 TC 27  
 
 
LMZ740>746-262100-  
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 75 73 1012.1F 1  
WAUKEGAN HARBOR 76 74 1013.0F 1  
WILMETTE BUOY 77 130/ 8/ 10 1015.8F 1  
CHICAGO BUOY 79 75 130/ 6 1011.1F 1/ 3  
HARRISON CRIB 82 130/ 12/ 13 N/A  
NORTHERLY ISL 82 90/ 7/ 11 N/A  
CALUMET HARBOR 86 170/ 7/ 11 1012.4  
BURNS HARBOR 1012.9F  
MICHIGAN CITY 85 CALM / 2 1010.3F  
MICH CITY BUOY 84 75 320/ 2/ 4 N/A 0  
ST. JOSEPH BUOY 78 73 280/ 2/ 4 1013.5F 1  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-262100-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-262100-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
PEORIA NOT AVBL  
SPRINGFIELD MOSUNNY 90 83 79 CALM 29.88F HX 113 TC 32  
TAYLORVILLE NOT AVBL  
 
 
ILZ033-039-045-046-055>057-062-063-262100-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ILZ079-100>102-262100-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ALTON MOSUNNY 95 81 63 W9 29.90F HX 115 TC 35  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-262100-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE SUNNY 95 81 63 SW6 29.90F HX 115 TC 35  
MARION SUNNY 93 79 62 SW9 29.91F HX 110 TC 34  
 
 
ILZ067-068-072-073-078-083-087-091-262100-  
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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