085  
ASUS43 KLOT 171104  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
600 AM CDT SUN AUG 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.
 
 
ILZ001-002-007-009-015-016-024-171200-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE PTCLDY 75 74 96 SE5 30.02R TC 24  
STERLING* CLOUDY 73 73 100 NE7 30.06R TC 23  

 
 
ILZ003-004-008-010-011-017-018-171200-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD CLOUDY 71 70 96 CALM 30.07S TC 22  
ROCHELLE* CLOUDY 72 70 94 S9 30.07R TC 22  

 
 
ILZ005-006-012>014-019>023-171200-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE CLOUDY 71 70 96 SW3 30.05R TC 22  
CHICAGO-MIDWAY CLOUDY 72 68 87 W3 30.04S TC 22  
AURORA CLOUDY 72 71 97 S3 30.04S TC 22  
JOLIET* LGT RAIN 71 70 98 SW7 30.05F TC 22  
WAUKEGAN CLOUDY 74 71 91 CALM 30.06R TC 23  
DUPAGE AIRPORT CLOUDY 73 70 90 CALM 30.05R TC 23  
WHEELING CLOUDY 72 70 93 MISG 30.07R TC 22  
MORRIS* TSTM 70 70 100 S8 30.06R TC 21  
LANSING* TSTM 68 68 100 SW7 30.05F TC 20  
NORTHERLY ISL* N/A 71 67 87 W6 N/A TC 22  

 
 
LMZ740>746-171200-  
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 75 76 360/ 10/ 12 1017.3R  
WINTHROP HARBOR 75 72 50/ 6/ 8 N/A 1/ 4  
WAUKEGAN HARBOR 76 75 50/ 2/ 4 N/A 1/ 4  
WILMETTE BUOY 73 250/ 10/ 14 1019.9R 1/ 3  
NORTHERLY ISL 71 250/ 5/ 12 N/A  
CALUMET HARBOR 69 200/ 7/ 9 1015.8  
BURNS HARBOR 72 230/ 6/ 9 1017.6R  
MICHIGAN CITY 72 210/ 4/ 6 1015.7R  
MICH CITY BUOY 74 77 230/ 12/ 19 1016.1R 2/ 3  
ST. JOSEPH BUOY 74 77 260/ 12/ 14 1018.2R 3/ 4  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-171200-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY CLEAR 75 72 90 CALM 30.02R TC 24  
GALESBURG* CLEAR 74 74 100 CALM 30.05R TC 24  
MACOMB* CLEAR 73 73 99 CALM 30.05R TC 23  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-171200-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PONTIAC TSTM 72 70 96 NE18G26 30.11R TC 22  
BLOOMINGTON MOCLDY 72 71 97 E12 30.09R TC 22  
DECATUR PTCLDY 77 71 82 S5 30.06R TC 25  
PEORIA PTCLDY 75 69 81 CALM 30.06R TC 24  
LACON* MOCLDY 75 70 84 S6 30.04R TC 24  
LINCOLN* PTCLDY 73 73 100 SE3 30.05R TC 23  
SPRINGFIELD PTCLDY 75 72 90 SE3 30.04R TC 24  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-171200-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN MOCLDY 71 67 87 NE9 30.10R TC 22  
DANVILLE* CLOUDY 72 67 84 NE12G23 30.12R TC 22  
RANTOUL* PTCLDY 72 67 84 E12 30.10R TC 22  
MATTOON PTCLDY 73 69 87 SE5 30.05R TC 23  
PARIS* MOCLDY 68 67 97 NE5 30.09R TC 20  

 
 
ILZ079-100>102-171200-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON PTCLDY 74 72 95 CALM 30.02R TC 23  
CAHOKIA* CLEAR 73 72 96 CALM 30.00S TC 23  
SPARTA* CLEAR 80 73 78 S5 30.04S HX 84 TC 27  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171200-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE CLEAR 71 70 96 CALM 30.02S TC 22  
CAIRO* CLEAR 73 73 100 W3 30.03F TC 23  
EFFINGHAM* PTCLDY 72 72 100 CALM 30.05R TC 22  
MARION CLEAR N/A N/A N/A CALM 30.04R  
MT. VERNON CLEAR 72 72 100 CALM 30.04R TC 22  
CENTRALIA* CLEAR 74 71 91 CALM 30.04R TC 23  
SALEM* PTCLDY 73 71 93 CALM 30.04R TC 23  
METROPOLIS* CLEAR 72 71 96 CALM 30.03R TC 22  

 
 
ILZ067-068-072-073-078-083-087-091-171200-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE PTCLDY 74 73 97 CALM 30.03R TC 23  
FLORA* PTCLDY 73 N/A N/A W3 30.03S TC 23  
FAIRFIELD* PTCLDY 73 72 94 W3 30.03R TC 23  
HARRISBURG* PTCLDY 72 70 95 CALM 30.03R TC 22  

 
 
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