782  
ASUS43 KLOT 270311  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1000 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.  
 
ILZ001-002-007-009-015-016-024-270400-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE MOCLDY 83 81 94 S8 29.81F HX 97 TC 28  
STERLING* N/A 79 79 100 E7 29.85F HX 84 TC 26  
SAVANNA* PTCLDY 82 81 95 SE6 29.83S FOG HX 94  
 
 
ILZ003-004-008-010-011-017-018-270400-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD PTCLDY 81 79 94 S3 29.87S HX 90 TC 27  
FREEPORT* CLEAR 80 78 95 S5 29.87F HX 86 TC 27  
ROCHELLE* CLEAR 76 74 94 S5 29.88S FOG TC 25  
DE KALB* CLEAR 78 78 100 S6 29.89R FOG HX 80  
PERU* PTCLDY 81 81 100 SE3 29.87R FOG HX 91  
 
 
ILZ005-006-012>014-019>023-270400-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE PTCLDY 84 77 79 SW8 29.85R HX 94 TC 29  
CHICAGO-MIDWAY PTCLDY 83 76 79 SW13 29.87R HX 91 TC 28  
AURORA CLEAR N/A N/A N/A S3 29.87R HAZE  
JOLIET* CLEAR 81 79 96 CALM 29.88R HX 90 TC 27  
WAUKEGAN MOCLDY 75 72 90 CALM 29.85R TC 24  
DUPAGE AIRPORT PTCLDY 81 78 91 SW7 29.87R HX 89 TC 27  
KANKAKEE* CLEAR 77 75 94 SW3 29.89S TC 25  
WHEELING MOCLDY 85 76 74 SW3 29.87R HX 94 TC 29  
ROMEOVILLE* MOCLDY 81 81 100 S6 29.88R HX 91 TC 27  
LANSING* CLEAR 77 74 88 S5 29.88R TC 25  
NORTHERLY ISL* N/A 83 73 72 W5 N/A HX 89 TC 28  
 
 
LMZ740>746-270400-  
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 71 1011.1 1  
WAUKEGAN HARBOR 75 73 1012.1 1  
WILMETTE BUOY 77 170/ 4/ 4 1014.3R 1  
CHICAGO BUOY 79 75 190/ 4 1010.4 1  
HARRISON CRIB 85 200/ 11/ 12 N/A  
NORTHERLY ISL 84 220/ 7/ 9 N/A  
CALUMET HARBOR 83 160/ 5/ 6 1011.3  
BURNS HARBOR 1012.2R  
MICHIGAN CITY 82 190/ 10/ 12 1009.5R  
MICH CITY BUOY 78 76 180/ 4/ 4 N/A 0  
ST. JOSEPH BUOY 79 73 150/ 4/ 6 1012.4R 0  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-270400-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
QUINCY CLEAR 85 81 88 SW5 29.87R HX 100 TC 29  
GALESBURG* CLOUDY 81 81 100 SE3 29.87S HX 91 TC 27  
MACOMB* MOCLDY 83 83 100 CALM 29.89R HX 101 TC 29  
JACKSONVILLE* CLOUDY 83 83 100 CALM 29.87R HX 100 TC 28  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-270400-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
PONTIAC PTCLDY 76 76 100 MISG 29.89R FOG TC 25  
BLOOMINGTON MOCLDY 78 78 100 S5 29.90R FOG HX 81  
DECATUR CLEAR 78 77 96 SE5 29.89S FOG HX 81  
PEORIA MOCLDY 84 81 90 CALM 29.87R HX 99 TC 29  
LACON* MOCLDY 82 78 90 CALM 29.86R HX 90 TC 28  
LINCOLN* PTCLDY 83 83 100 SE3 29.89R FOG HX 100  
SPRINGFIELD MOCLDY 85 83 94 E3 29.87R HX 104 TC 29  
TAYLORVILLE NOT AVBL  
 
 
ILZ033-039-045-046-055>057-062-063-270400-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHAMPAIGN CLEAR 74 74 100 SE5 29.90R FOG TC 23  
DANVILLE* PTCLDY 75 74 96 CALM 29.91R TC 24  
MATTOON MOCLDY 79 78 97 SE3 29.89R FOG HX 83  
PARIS* FOG 73 73 98 CALM 29.91R VSB 1 TC 23  
 
 
ILZ079-100>102-270400-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ALTON CLEAR 84 81 89 VRB3 29.88R HX 98 TC 29  
BELLEVILLE PTCLDY 88 81 80 SW6 29.85R HX 106 TC 31  
CAHOKIA* CLEAR 86 78 77 SW3 29.86S HX 98 TC 30  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-270400-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE NOT AVBL  
CAIRO* MOCLDY 85 83 94 CALM 29.91R HX 103 TC 29  
EFFINGHAM* PTCLDY 79 79 99 CALM 29.91R FOG HX 84  
MARION MOCLDY 82 75 80 S5 29.89S HX 88 TC 28  
MT. VERNON CLEAR 76 74 93 CALM 29.89S TC 24  
CENTRALIA* CLEAR 80 74 84 CALM 29.89R HX 84 TC 26  
SALEM* CLEAR 79 74 84 MISG 29.89S HX 82 TC 26  
METROPOLIS* CLOUDY 78 70 74 SE9 29.93F HX 81 TC 26  
 
 
ILZ067-068-072-073-078-083-087-091-270400-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
FLORA* CLEAR 75 75 100 W3 29.88F TC 24  
FAIRFIELD* PTCLDY 75 72 90 CALM 29.89R TC 24  
HARRISBURG* MOCLDY 74 74 99 CALM 29.90R TC 24  
ROBINSON* RAIN 77 75 94 N10 29.88F TC 25  
 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  
 
 
 
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