149  
ASUS43 KLOT 200103  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
800 PM CDT WED AUG 19 2026  
 
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.
 
 
ILZ001-002-007-009-015-016-024-200200-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE MOCLDY 74 65 73 CALM 29.91R TC 23  
STERLING* MOCLDY 76 67 73 VRB5 29.93R TC 24  
SAVANNA* MOCLDY 75 64 69 N5 29.92R TC 24  

 
 
ILZ003-004-008-010-011-017-018-200200-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD MOCLDY 75 65 70 NE6 29.94R TC 24  
FREEPORT* MOCLDY 71 69 91 N6 29.95S TC 22  

 
 
ILZ005-006-012>014-019>023-200200-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE CLOUDY 72 63 73 NE12 29.94R TC 22  
CHICAGO-MIDWAY MOCLDY 73 64 73 E14 29.93R TC 23  
AURORA MOCLDY 71 65 81 NE7 29.93R TC 22  
JOLIET* MOCLDY 74 65 71 NE8 29.93R TC 24  
WAUKEGAN PTCLDY 68 58 70 NE5 29.94S TC 20  
DUPAGE AIRPORT MOCLDY 71 63 75 NE7 29.93R TC 22  
WHEELING PTCLDY 71 61 70 NE6 29.96R TC 22  
LANSING* PTCLDY 71 65 80 NE7 29.94R TC 22  
NORTHERLY ISL* N/A 72 61 68 NE13 N/A TC 22  

 
 
LMZ740>746-200200-  
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)  
WINTHROP HARBOR 73 74 20/ 10/ 14 1012.6F 2/ 3  
WAUKEGAN HARBOR 73 74 10/ 12/ 16 1014.7S 2/ 3  
WILMETTE BUOY 74 100/ 12/ 16 1016.6F 2/ 3  
CHICAGO BUOY 74 74 1012.6R 2/ 3  
NORTHERLY ISL 71 20/ 7/ 11 N/A  
CALUMET HARBOR 73 20/ 8/ 12 1013.8R  
MICH CITY BUOY 73 74 40/ 14/ 19 N/A 2/ 4  
ST. JOSEPH BUOY 74 76 30/ 16/ 19 1014.6R 2/ 3  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-200200-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY MOCLDY 70 64 81 E5 29.91F TC 21  
MACOMB* MOCLDY 66 66 100 CALM 29.86F TC 19  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-200200-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
BLOOMINGTON LGT RAIN 75 75 100 CALM 29.92R TC 24  
DECATUR MOCLDY 75 73 93 SW7 29.90R TC 24  
PEORIA LGT RAIN 73 70 90 NE8 29.92R TC 23  
LACON* RAIN 69 66 91 CALM 29.93R TC 21  
LINCOLN* CLOUDY 80 73 80 CALM 29.90R HX 83 TC 26  
SPRINGFIELD CLOUDY 77 74 90 SW5 29.90R TC 25  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-200200-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN MOCLDY 73 68 84 N6 29.90S TC 23  
MATTOON PTCLDY 75 72 90 CALM 29.89S TC 24  

 
 
ILZ079-100>102-200200-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON MOCLDY 77 73 88 SE5 29.90F TC 25  
CAHOKIA* PTCLDY 77 74 90 E6 29.88F TC 25  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200200-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE CLEAR 77 72 83 SW3 29.91S TC 25  
CAIRO* PTCLDY 77 76 96 CALM 29.91F TC 25  
MARION MOCLDY 76 75 96 CALM 29.92S TC 25  
MT. VERNON PTCLDY 76 72 87 CALM 29.91S TC 24  
CENTRALIA* PTCLDY 75 73 93 CALM 29.92R TC 24  
SALEM* PTCLDY 76 74 91 MISG 29.91R TC 25  

 
 
ILZ067-068-072-073-078-083-087-091-200200-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE PTCLDY 77 71 82 S5 29.90R TC 25  
FAIRFIELD* PTCLDY 74 71 89 CALM 29.90S TC 24  
HARRISBURG* MOCLDY 78 73 86 CALM 29.91S HX 80 TC 26  

 
 
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