699  
ASUS43 KLOT 240301  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1000 PM CDT MON JUN 23 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.
 
 
ILZ001-002-007-009-015-016-024-240400-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE MOCLDY 83 73 72 SW5 30.09R HX 89 TC 28  

 
 
ILZ003-004-008-010-011-017-018-240400-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD CLOUDY 81 63 54 N12G20 30.15R HX 82 TC 27  

 
 
ILZ005-006-012>014-019>023-240400-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE MOCLDY 88 71 57 SW6 30.12R HX 94 TC 31  
CHICAGO-MIDWAY MOCLDY 89 71 55 W7 30.13R HX 95 TC 32  
AURORA PTCLDY 81 72 74 W3 30.13R HX 85 TC 27  
JOLIET* CLEAR 84 73 70 CALM 30.14R HX 90 TC 29  
WAUKEGAN PTCLDY 82 64 54 NW7 30.12R HX 83 TC 28  
DUPAGE AIRPORT PTCLDY 85 71 63 SW7 30.13R HX 90 TC 29  
WHEELING CLEAR 88 71 57 SW6 30.13R HX 94 TC 31  
MORRIS* CLEAR 83 74 74 SW3 30.13R HX 89 TC 28  
LANSING* CLEAR 80 72 77 SW3 30.14R HX 84 TC 27  
NORTHERLY ISL* N/A 88 68 51 S3 N/A HX 91 TC 31  

 
 
LMZ740>746-240400-  
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 68 63 220/ 8/ 10 1019.0R  
WINTHROP HARBOR 69 50 10/ 6/ 8 N/A 1  
WAUKEGAN HARBOR 75 56 340/ 6/ 6 N/A 0  
WILMETTE BUOY 73 230/ 6/ 6 1021.6R 1  
CHICAGO BUOY 75 63 230/ 6/ 12 1020.3R 1  
HARRISON CRIB 96 220/ 10/ 12 N/A  
NORTHERLY ISL 88 210/ 6/ 12 N/A  
CALUMET HARBOR 87 210/ 5/ 6 1018.4  
BURNS HARBOR 88 210/ 3/ 5 1020.0R  
MICHIGAN CITY 88 180/ 9/ 11 1017.1R  
ST. JOSEPH BUOY 76 71 220/ 6/ 6 1020.1R 1/ 3  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-240400-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY CLEAR 82 72 71 S3 30.11R HX 87 TC 28  
MACOMB* CLEAR 78 75 90 S7 30.13R HX 80 TC 26  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-240400-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
BLOOMINGTON CLEAR 80 74 81 SW6 30.16R HX 85 TC 27  
DECATUR CLEAR 85 72 65 S8 30.14R HX 91 TC 29  
PEORIA CLEAR 85 74 69 CALM 30.13R HX 92 TC 29  
SPRINGFIELD CLEAR 82 74 76 CALM 30.13R HX 88 TC 28  
TAYLORVILLE CLEAR 81 72 74 MISG 30.13R HX 84 TC 27  

 
 
ILZ033-039-045-046-055>057-062-063-240400-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN CLEAR 79 72 79 S6 30.15R HX 82 TC 26  
RANTOUL* CLEAR 78 73 83 CALM 30.15R HX 81 TC 26  
MATTOON PTCLDY 83 72 69 S5 N/A HX 88 TC 28  

 
 
ILZ079-100>102-240400-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON CLEAR 84 72 65 S9 30.13R HX 89 TC 29  
BELLEVILLE CLEAR 84 75 72 S3 30.11R HX 92 TC 29  
CAHOKIA* CLEAR 86 74 67 S5 30.12R HX 94 TC 30  
SPARTA* CLEAR 85 72 63 S6 30.15R HX 91 TC 30  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-240400-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE CLEAR 81 74 79 S5 30.14R HX 86 TC 27  
CAIRO* PTCLDY 80 78 93 CALM 30.14R HX 86 TC 27  
MARION CLEAR 78 73 84 CALM 30.15R HX 81 TC 26  
MT. VERNON CLEAR 80 73 79 CALM 30.16R HX 84 TC 27  
CENTRALIA* CLEAR 83 73 72 S6 30.15R HX 89 TC 28  
SALEM* CLEAR 85 72 65 S6 30.15R HX 91 TC 29  
METROPOLIS* PTCLDY 76 75 96 CALM 30.14R TC 25  

 
 
ILZ067-068-072-073-078-083-087-091-240400-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE CLEAR 82 74 76 S6 30.14R HX 88 TC 28  
FAIRFIELD* CLEAR 82 70 66 CALM 30.14R HX 86 TC 28  
HARRISBURG* CLEAR 80 73 77 CALM 30.15R HX 84 TC 27  

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

 
 
 
 
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