878  
ASUS43 KLOT 291003  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
500 AM CDT SUN JUN 29 2025  
 
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.
 
 
ILZ001-002-007-009-015-016-024-291100-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE CLEAR 71 70 96 CALM 29.97R TC 22  

 
 
ILZ003-004-008-010-011-017-018-291100-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD PTCLDY 69 65 86 CALM 30.01R TC 21  
ROCHELLE* CLEAR 66 65 94 CALM 30.00R TC 19  

 
 
ILZ005-006-012>014-019>023-291100-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE PTCLDY 73 67 81 S5 29.99S TC 23  
CHICAGO-MIDWAY CLEAR 76 66 71 S3 30.00R TC 24  
AURORA CLEAR 68 64 87 CALM 30.00S TC 20  
JOLIET* CLEAR 73 69 90 CALM 30.00S TC 23  
WAUKEGAN CLEAR 66 63 90 CALM 30.00S TC 19  
DUPAGE AIRPORT CLEAR 70 65 84 CALM 30.00S TC 21  
KANKAKEE* CLEAR 69 67 94 SE5 30.02S TC 20  
WHEELING CLEAR 68 66 93 CALM 30.01S TC 20  
MORRIS* CLEAR 71 68 90 CALM 29.99S TC 22  
LANSING* PTCLDY 72 67 84 CALM 30.02R TC 22  
NORTHERLY ISL* N/A 69 66 90 CALM N/A TC 21  

 
 
LMZ740>746-291100-  
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)  
S. MID LAKE BUOY 70 69 150/ 6/ 8 1016.2R  
WINTHROP HARBOR 66 65 270/ 2/ 4 N/A 1/ 3  
WAUKEGAN HARBOR 68 63 220/ 4/ 4 N/A 1/ 3  
WILMETTE BUOY 71 170/ 4/ 6 1017.9R 1/ 3  
CHICAGO BUOY 72 71 200/ 2/ 2 1016.5R 1  
HARRISON CRIB 80 170/ 8/ 8 N/A  
NORTHERLY ISL 69 CALM / 2 N/A  
CALUMET HARBOR 74 190/ 3/ 5 1015.2R  
BURNS HARBOR 74 170/ 5/ 8 1016.9R  
MICHIGAN CITY 73 150/ 9/ 11 1014.9R  
MICH CITY BUOY 72 72 150/ 10/ 12 1014.9R 1  
ST. JOSEPH BUOY 72 73 160/ 10/ 12 1017.3R 1/ 2  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-291100-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY PTCLDY 70 69 97 S5 29.98S TC 21  
GALESBURG* CLEAR 70 70 100 CALM 30.00S TC 21  
MACOMB* PTCLDY 68 68 99 CALM 30.01S FOG TC 20  
PITTSFIELD* CLOUDY 70 69 98 CALM 30.01F VSB 3/4 TC 21  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-291100-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PONTIAC CLEAR 69 68 97 SE3 30.01R TC 21  
BLOOMINGTON CLEAR 74 73 97 CALM 30.03R TC 23  
DECATUR CLEAR 74 72 93 SW3 30.02R TC 23  
PEORIA CLEAR 75 73 93 CALM 30.00R TC 24  
LACON* CLEAR 71 67 90 CALM 29.99S TC 21  
LINCOLN* CLEAR 74 74 100 CALM 30.01R TC 23  
SPRINGFIELD CLEAR 70 69 97 CALM 30.01R FOG TC 21  
TAYLORVILLE CLEAR 70 68 94 MISG 30.02R TC 21  

 
 
ILZ033-039-045-046-055>057-062-063-291100-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN CLEAR 72 70 93 SW5 30.02R FOG TC 22  
MATTOON CLEAR 74 72 93 CALM 30.02R TC 23  

 
 
ILZ079-100>102-291100-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON PTCLDY 71 71 99 CALM 30.01S TC 22  
BELLEVILLE CLEAR 70 68 94 S6 29.99S TC 21  
CAHOKIA* PTCLDY 71 69 93 S3 30.00R TC 22  
SPARTA* CLEAR 75 73 96 S3 30.03S TC 24  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-291100-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE CLOUDY 73 72 96 S3 30.03R TC 23  
CAIRO* PTCLDY 73 72 95 CALM 30.04S TC 23  
EFFINGHAM* CLEAR 72 72 100 CALM 30.04S FOG TC 22  
MARION CLEAR 72 70 96 CALM 30.04R TC 22  
MT. VERNON CLOUDY 74 74 100 SW8 30.03R TC 23  
CENTRALIA* MOCLDY 74 73 98 SW3 30.03R TC 23  
SALEM* MOCLDY 75 73 93 CALM 30.03R TC 24  
METROPOLIS* CLEAR 71 70 97 S3 30.05R TC 22  

 
 
ILZ067-068-072-073-078-083-087-091-291100-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE MOCLDY 73 72 96 CALM 30.03R TC 23  
FLORA* PTCLDY 73 N/A N/A CALM 30.03S TC 23  
FAIRFIELD* CLOUDY 74 73 95 S5 30.03R TC 24  
HARRISBURG* CLOUDY 73 72 96 CALM 30.04R TC 23  

 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  

 
 
 
 
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