706  
ASUS43 KLOT 121612  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1100 AM CDT FRI SEP 12 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.
 
 
ILZ001-002-007-009-015-016-024-121700-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE MOSUNNY 76 60 57 VRB3 30.17F TC 24  
STERLING* MOSUNNY 77 59 53 VRB6 30.21F TC 25  

 
 
ILZ003-004-008-010-011-017-018-121700-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD PTSUNNY 75 60 59 SE6 30.22F TC 24  
ROCHELLE* MOSUNNY 76 55 48 S8 30.22F TC 24  
DE KALB* MOSUNNY 75 59 55 SE7 30.24S TC 24  
PERU* MOSUNNY 76 58 53 SE5 30.21F TC 24  

 
 
ILZ005-006-012>014-019>023-121700-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE PTSUNNY 77 55 46 S6 30.22S TC 25  
CHICAGO-MIDWAY MOSUNNY 77 52 41 S5 30.22F TC 25  
AURORA MOSUNNY 78 57 48 S7 30.22F TC 26  
JOLIET* MOSUNNY 78 57 48 S3 30.23S TC 26  
WAUKEGAN MOSUNNY 76 62 62 SE6 30.22F TC 24  
DUPAGE AIRPORT MOSUNNY 77 56 48 S7 30.22F TC 25  
KANKAKEE* SUNNY 77 55 47 SE3 30.24S TC 25  
WHEELING MOSUNNY 77 60 55 CALM 30.24S TC 25  
MORRIS* PTSUNNY 74 58 58 CALM 30.22S TC 23  
ROMEOVILLE* SUNNY 77 57 50 VRB5 30.23F TC 25  
LANSING* N/A 76 57 52 S3 30.24S TC 24  

 
 
LMZ740>746-121700-  
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 66 140/ 4/ 6 1023.7F 1  
WINTHROP HARBOR 64 67 260/ 2/ 4 N/A 1/ 4  
WAUKEGAN HARBOR 68 68 N/A 1  
WILMETTE BUOY 69 160/ 6/ 8 1025.7F 1/ 4  
CHICAGO BUOY 69 66 130/ 6/ 8 1024.0 1/ 4  
HARRISON CRIB 71 140/ 9/ 9 N/A  
CALUMET HARBOR 72 90/ 3/ 5 1022.7F  
BURNS HARBOR 75 200/ 3/ 5 1024.4S  
MICHIGAN CITY 74 170/ 5/ 7 1022.6F  
MICH CITY BUOY 75 1022.2F  
ST. JOSEPH BUOY 67 69 200/ 2/ 4 1024.7F 1/ 4  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-121700-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY SUNNY 83 58 42 S9 30.15F HX 83 TC 28  
GALESBURG* MOSUNNY 77 61 56 S5 30.20S TC 25  
MACOMB* MOSUNNY 79 62 55 CALM 30.20F HX 81 TC 26  
JACKSONVILLE* SUNNY 80 62 53 CALM 30.17F HX 82 TC 27  
PITTSFIELD* SUNNY 83 61 47 S5 30.18S HX 83 TC 28  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-121700-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PONTIAC MOSUNNY 78 54 42 S5 30.22S TC 26  
BLOOMINGTON MOSUNNY 81 59 47 S10 30.23R HX 81 TC 27  
DECATUR MOSUNNY 83 60 45 SE8 30.21R HX 83 TC 28  
PEORIA MOSUNNY 78 57 48 VRB7 30.19F TC 26  
LACON* MOSUNNY 76 58 53 CALM 30.20F TC 24  
LINCOLN* MOSUNNY 81 61 50 S7 30.20S HX 82 TC 27  
SPRINGFIELD MOSUNNY 80 61 52 E5 30.18F HX 81 TC 27  
TAYLORVILLE MOSUNNY 82 63 51 MISG 30.20S HX 83 TC 28  

 
 
ILZ033-039-045-046-055>057-062-063-121700-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN MOSUNNY 82 55 39 VRB6 30.22R HX 81 TC 28  
DANVILLE* SUNNY 80 56 43 S3 30.23S HX 80 TC 27  
RANTOUL* MOSUNNY 77 54 44 CALM 30.23R TC 25  
MATTOON MOSUNNY 82 57 42 S9 30.20S HX 82 TC 28  

 
 
ILZ079-100>102-121700-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON SUNNY 81 64 57 E7 30.18S HX 82 TC 27  
BELLEVILLE SUNNY 82 65 56 E3 30.15S HX 84 TC 28  
CAHOKIA* SUNNY 82 65 56 CALM 30.16S HX 84 TC 28  
SPARTA* SUNNY 86 63 45 E5 30.17F HX 87 TC 30  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121700-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE SUNNY 86 64 47 VRB5 30.16S HX 87 TC 30  
CAIRO* MOSUNNY 84 67 56 S7 30.17R HX 87 TC 29  
EFFINGHAM* SUNNY 83 60 45 E6 30.22S HX 83 TC 28  
MARION MOSUNNY 77 63 61 SE7 30.17S TC 25  
MT. VERNON SUNNY 85 62 46 S6 30.19S HX 85 TC 29  
CENTRALIA* SUNNY 86 60 41 SE9 30.18F HX 86 TC 30  
SALEM* SUNNY 85 60 42 S3 30.18F HX 84 TC 29  
METROPOLIS* SUNNY 83 61 47 CALM 30.17S HX 84 TC 29  

 
 
ILZ067-068-072-073-078-083-087-091-121700-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE SUNNY 81 60 48 E5 30.20F HX 82 TC 27  
FLORA* SUNNY 82 63 51 E7 30.20S HX 83 TC 28  
FAIRFIELD* SUNNY 83 59 44 E5 30.19S HX 83 TC 28  
HARRISBURG* SUNNY 85 61 44 MISG 30.18S HX 85 TC 29  
ROBINSON* SUNNY 82 59 44 VRB5 30.20S HX 82 TC 28  

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

 
 
 
 
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