611  
ASUS43 KLOT 170808  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
300 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.
 
 
ILZ001-002-007-009-015-016-024-170900-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE PTCLDY 71 67 87 W7 29.93R TC 22  

 
 
ILZ003-004-008-010-011-017-018-170900-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD CLOUDY 71 64 78 NW13 29.93R TC 22  
ROCHELLE* CLOUDY 69 67 94 NW3 29.93R TC 20  
DE KALB* CLOUDY 69 66 92 CALM 29.93R TC 21  
PERU* PTCLDY 70 69 96 W3 29.92R TC 21  

 
 
ILZ005-006-012>014-019>023-170900-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE PTCLDY 69 64 84 NW7 29.89R TC 21  
CHICAGO-MIDWAY PTCLDY 71 63 75 NW7 29.89R TC 22  
AURORA CLOUDY 69 66 90 CALM 29.91R TC 21  
JOLIET* PTCLDY 71 68 90 CALM 29.91S TC 22  
WAUKEGAN CLOUDY 67 62 84 W8 29.89R TC 19  
DUPAGE AIRPORT MOCLDY 69 65 86 W3 29.91R TC 21  
KANKAKEE* MOCLDY 70 68 94 NW5 29.92S TC 21  
WHEELING CLOUDY 70 64 81 NW7 29.91R TC 21  
MORRIS* PTCLDY 69 69 100 CALM 29.90S TC 21  
ROMEOVILLE* CLEAR 70 68 94 W3 29.92R TC 21  
LANSING* CLOUDY 71 66 85 W7 29.91R TC 22  
NORTHERLY ISL* N/A 70 62 76 W7 N/A TC 21  

 
 
LMZ740>746-170900-  
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 65 70 320/ 19/ 23 1011.2R  
WINTHROP HARBOR 65 59 250/ 8/ 10 N/A 3/ 5  
WAUKEGAN HARBOR 64 57 230/ 6/ 14 N/A 2/ 5  
WILMETTE BUOY 69 350/ 10/ 14 1013.9R 2/ 4  
CHICAGO BUOY 72 72 300/ 10/ 14 1012.4R 2/ 4  
HARRISON CRIB 76 310/ 15/ 16 N/A  
NORTHERLY ISL 71 310/ 10/ 12 N/A  
CALUMET HARBOR 72 300/ 3/ 6 1011.1R  
BURNS HARBOR 72 340/ 8/ 10 1012.5R  
MICHIGAN CITY 71 290/ 20/ 24 1010.1R  
MICH CITY BUOY 71 76 300/ 16/ 21 1010.5R 7/ 5  
ST. JOSEPH BUOY 70 76 330/ 21/ 31 1012.4R 5/ 5  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-170900-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY MOCLDY 75 74 96 NW9 29.94F TC 24  
GALESBURG* MOCLDY 69 67 92 NW5 29.95S TC 21  
MACOMB* CLOUDY 73 70 90 NW5 29.97R TC 23  
JACKSONVILLE* CLOUDY 74 73 99 SW7 29.93R TC 23  
PITTSFIELD* CLOUDY 77 77 99 NW6 29.94F TC 25  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-170900-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PONTIAC CLOUDY 71 70 97 W3 29.93R TC 22  
BLOOMINGTON CLOUDY 75 71 87 W6 29.95R TC 24  
DECATUR MOCLDY 76 71 85 SW6 29.92F TC 24  
PEORIA CLOUDY 75 70 84 N5 29.92S TC 24  
LACON* CLOUDY 72 67 85 W5 29.93R TC 22  
LINCOLN* CLOUDY 74 74 100 CALM 29.92S TC 23  
SPRINGFIELD CLOUDY 73 72 96 W3 29.91F TC 23  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-170900-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
RANTOUL* MOCLDY 71 70 98 SW3 29.93S TC 22  
MATTOON MOCLDY 72 70 93 CALM 29.92F TC 22  

 
 
ILZ079-100>102-170900-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON TSTM N/A N/A N/A CALM 29.96R  
BELLEVILLE MOCLDY 77 75 95 SE3 29.89F TC 25  
CAHOKIA* MOCLDY 79 75 87 SW3 29.90F HX 83 TC 26  
SPARTA* PTCLDY 80 77 90 S6 29.93F HX 87 TC 27  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170900-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE CLEAR 76 75 97 SW5 29.93F TC 24  
CAIRO* CLEAR 77 76 97 CALM 29.96F TC 25  
EFFINGHAM* CLOUDY 71 71 100 CALM 29.94F TC 22  
MARION CLEAR 77 76 95 SW5 29.95F TC 25  
MT. VERNON PTCLDY 72 72 100 CALM 29.93F TC 22  
CENTRALIA* MOCLDY 74 74 98 CALM 29.93F TC 24  
SALEM* LGT RAIN 76 74 96 S3 29.93S TC 24  
METROPOLIS* CLEAR 77 76 96 CALM 29.96F TC 25  

 
 
ILZ067-068-072-073-078-083-087-091-170900-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE PTCLDY 72 72 100 CALM 29.93F TC 22  
FLORA* MOCLDY 73 73 100 SE7 29.93F TC 23  
FAIRFIELD* PTCLDY 73 71 93 CALM 29.93F TC 23  
HARRISBURG* CLEAR 73 71 93 CALM 29.94F TC 23  

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

 
 
 
 
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