820  
ASUS43 KLOT 111003  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
500 AM CDT THU JUN 11 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.
 
 
ILZ001-002-007-009-015-016-024-111100-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE MOCLDY 67 65 93 SE3 29.75R TC 19  
STERLING* CLOUDY 68 68 100 CALM 29.78R TC 20  
SAVANNA* CLOUDY 68 66 95 S7 29.76R TC 20  

 
 
ILZ003-004-008-010-011-017-018-111100-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD CLOUDY 67 66 97 S10 29.77R TC 19  
FREEPORT* CLOUDY 68 67 95 SW9 29.78R TC 20  
DE KALB* CLOUDY 66 66 100 SW10 29.78R TC 19  
PERU* CLOUDY 66 66 100 S7 29.78R TC 19  

 
 
ILZ005-006-012>014-019>023-111100-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE CLOUDY 66 65 96 SW7 29.75R TC 19  
CHICAGO-MIDWAY CLOUDY 67 65 93 S7 29.75F TC 19  
AURORA CLOUDY 66 65 96 SW10 29.76R TC 19  
WAUKEGAN MOCLDY 66 64 93 SW12 29.73S TC 19  
DUPAGE AIRPORT CLOUDY 66 65 96 S6 29.76R TC 19  
KANKAKEE* CLOUDY 65 64 95 S9 29.77F TC 19  
WHEELING CLOUDY 67 65 93 MISG 29.76S TC 19  
MORRIS* CLOUDY 66 66 100 SW12 29.76F TC 19  
NORTHERLY ISL* N/A 67 63 87 SW7 N/A TC 19  

 
 
LMZ740>746-111100-  
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 64 57 1002.1F 1/ 3  
WAUKEGAN HARBOR 64 55 220/ 12/ 14 1008.4R 1/ 3  
WILMETTE BUOY 66 220/ 12/ 16 1009.4F 1/ 2  
CHICAGO BUOY 66 62 220/ 8/ 12 1006.5F 1  
HARRISON CRIB 68 200/ 15/ 16 N/A  
NORTHERLY ISL 67 220/ 10/ 14 N/A  
CALUMET HARBOR 66 200/ 4/ 6 1007.9  
BURNS HARBOR 67 210/ 5/ 6 1008.8S  
MICHIGAN CITY 66 200/ 9/ 11 1006.6R  
MICH CITY BUOY 65 64 220/ 10/ 14 986.6S 1/ 3  
ST. JOSEPH BUOY 66 230/ 14/ 17 1009.0R 2/ 4  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-111100-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-111100-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
BLOOMINGTON MOCLDY 67 67 100 SW15 29.83R TC 19  
DECATUR PTCLDY 67 66 97 S15 29.81S TC 19  
PEORIA CLOUDY 67 66 97 SW8 29.81R TC 19  
LINCOLN* MOCLDY 68 68 100 S6 29.81F TC 20  
SPRINGFIELD CLOUDY 68 66 93 S8 29.81F TC 20  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-111100-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN MOCLDY 67 66 97 S18 29.79F TC 19  
DANVILLE* CLOUDY 67 66 96 S8 29.83F TC 20  
MATTOON RAIN 67 66 97 SE7 29.85F FOG TC 19  

 
 
ILZ079-100>102-111100-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON CLOUDY 69 67 92 SE9 29.84F TC 21  
CAHOKIA* LGT RAIN 70 67 90 S7 29.85F TC 21  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-111100-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE CLOUDY 77 71 82 S3 29.88R TC 25  
CAIRO* CLEAR 76 73 88 S3 29.89R TC 25  
EFFINGHAM* RAIN 68 68 100 SE3 29.91F TC 20  
MT. VERNON CLOUDY 74 64 71 NE13G18 29.92R TC 23  
CENTRALIA* LGT RAIN 68 67 94 E9 29.92F TC 20  
SALEM* LGT RAIN 69 68 97 MISG 29.91F TC 21  

 
 
ILZ067-068-072-073-078-083-087-091-111100-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE HVY RAIN 70 67 90 NW14G41 29.94R TC 21  
FLORA* LGT RAIN 68 N/A N/A CALM 29.93R TC 20  
FAIRFIELD* HVY RAIN 69 65 85 N16G32 29.94R TC 21  
HARRISBURG* CLOUDY 77 73 88 CALM 29.90R TC 25  

 
 
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