241  
ASUS43 KLOT 170603  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
100 AM CDT THU JUL 17 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.  
 
ILZ001-002-007-009-015-016-024-170700-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE PTCLDY 73 67 81 NW7 29.90S TC 23  
6HR MIN TEMP: 73; 6HR MAX TEMP: 82;  
 
 
 
ILZ003-004-008-010-011-017-018-170700-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD CLOUDY 72 65 78 NW7 29.90R TC 22  
6HR MIN TEMP: 72; 6HR MAX TEMP: 82;  
 
ROCHELLE* PTCLDY 68 67 94 W3 29.90S TC 20  
PERU* CLEAR 72 69 92 W7 29.91R TC 22  
 
 
ILZ005-006-012>014-019>023-170700-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE MOCLDY 71 64 78 NW12 29.85R TC 22  
6HR MIN TEMP: 71; 6HR MAX TEMP: 78;  
 
CHICAGO-MIDWAY MOCLDY 74 64 71 NW14G21 29.85R TC 23  
6HR MIN TEMP: 74; 6HR MAX TEMP: 79;  
 
AURORA MOCLDY 69 66 90 NW6 29.88R TC 21  
6HR MIN TEMP: 69; 6HR MAX TEMP: 81;  
 
JOLIET* MOCLDY 73 69 86 NW5 29.89R TC 23  
WAUKEGAN CLOUDY 68 63 84 NW10 29.84R TC 20  
6HR MIN TEMP: 68; 6HR MAX TEMP: 79;  
 
DUPAGE AIRPORT PTCLDY 71 64 78 NW10 29.87R TC 22  
6HR MIN TEMP: 71; 6HR MAX TEMP: 79;  
 
KANKAKEE* PTCLDY 73 70 93 W12G17 29.89S TC 23  
WHEELING CLOUDY 71 64 78 NW14 29.87R TC 22  
6HR MIN TEMP: 71; 6HR MAX TEMP: 79;  
 
MORRIS* MOCLDY 71 70 96 W6 29.88R TC 22  
ROMEOVILLE* PTCLDY 72 70 94 W9G16 29.88R TC 22  
LANSING* CLOUDY 74 68 80 NW7G18 29.86R TC 24  
NORTHERLY ISL* N/A 72 63 73 NW16 N/A TC 22  
 
 
LMZ740>746-170700-  
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 67 72 310/ 23/ 27 1009.2R  
WINTHROP HARBOR 66 59 250/ 10/ 14 N/A 1/ 3  
WAUKEGAN HARBOR 66 58 270/ 10/ 14 N/A 1/ 2  
WILMETTE BUOY 71 360/ 17/ 23 1012.2R 2/ 4  
CHICAGO BUOY 74 73 310/ 12/ 14 1010.5R 1/ 2  
HARRISON CRIB 78 320/ 22/ 24 N/A  
NORTHERLY ISL 73 300/ 6/ 17 N/A  
CALUMET HARBOR 76 280/ 7/ 13 1009.2  
BURNS HARBOR 75 320/ 10/ 14 1010.5R  
MICHIGAN CITY 74 290/ 28/ 30 1007.6R  
MICH CITY BUOY 74 77 290/ 19/ 25 1008.2R 4/ 4  
ST. JOSEPH BUOY 73 76 330/ 25/ 33 1010.1R 4/ 5  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-170700-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
QUINCY CLOUDY 76 73 91 SW3 29.93R TC 24  
GALESBURG* MOCLDY 70 67 89 W3 29.94R TC 21  
MACOMB* CLOUDY 74 71 91 CALM 29.95R TC 23  
PITTSFIELD* CLOUDY 78 77 98 CALM 29.93F HX 80 TC 25  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-170700-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
PONTIAC PTCLDY 72 69 92 W5 29.91S TC 22  
BLOOMINGTON CLOUDY 74 74 100 SW6 29.94R TC 23  
DECATUR MOCLDY 76 71 85 SW10 29.94R TC 24  
PEORIA CLOUDY 75 70 84 W3 29.91R TC 24  
6HR MIN TEMP: 75; 6HR MAX TEMP: 83;  
 
LACON* PTCLDY 72 68 86 CALM 29.90F TC 22  
LINCOLN* MOCLDY 74 74 100 CALM 29.92S TC 24  
SPRINGFIELD CLOUDY 73 72 96 S6 29.92S TC 23  
6HR MIN TEMP: 72; 6HR MAX TEMP: 77;  
 
TAYLORVILLE NOT AVBL  
 
 
ILZ033-039-045-046-055>057-062-063-170700-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
RANTOUL* PTCLDY 70 69 98 SW6 29.92R TC 21  
MATTOON MOCLDY 72 69 90 S7 29.93S TC 22  
 
 
ILZ079-100>102-170700-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ALTON CLOUDY N/A N/A N/A CALM 29.93F  
BELLEVILLE CLEAR 79 77 92 E3 29.91S HX 83 TC 26  
CAHOKIA* MOCLDY 78 74 87 CALM 29.92S HX 81 TC 26  
SPARTA* CLEAR 81 76 85 S6 29.95S HX 88 TC 27  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170700-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE CLEAR 77 76 96 CALM 29.94R TC 25  
6HR MIN TEMP: 77; 6HR MAX TEMP: 87;  
 
CAIRO* CLEAR 81 77 88 S3 29.95S HX 88 TC 27  
EFFINGHAM* MOCLDY 72 72 100 W6 29.97R TC 22  
MARION CLEAR 79 77 93 S3 29.96R HX 83 TC 26  
MT. VERNON CLEAR 72 71 97 CALM 29.96R TC 22  
CENTRALIA* PTCLDY 74 73 98 S3 29.94S TC 23  
SALEM* PTCLDY 75 72 90 CALM 29.95R TC 24  
METROPOLIS* CLEAR 79 78 97 CALM 29.96S HX 83 TC 26  
 
 
ILZ067-068-072-073-078-083-087-091-170700-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
LAWRENCEVILLE PTCLDY 72 71 97 SW5 29.94S TC 22  
FLORA* CLEAR 72 72 100 SW3 29.95R TC 22  
FAIRFIELD* CLEAR 73 70 92 SW3 29.95R TC 23  
HARRISBURG* CLEAR 74 71 90 CALM 29.96R TC 23  
 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  
 
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab IL Page
Main Text Page