555  
ASUS43 KLOT 181757  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
100 PM CDT FRI JUL 18 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.  
 
ILZ001-002-007-009-015-016-024-181900-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE CLOUDY 75 64 69 MISG 30.11S TC 24  
 
 
ILZ003-004-008-010-011-017-018-181900-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD MOSUNNY 75 60 59 VRB5 30.14F TC 24  
6HR MIN TEMP: 60; 6HR MAX TEMP: 75;  
 
 
 
ILZ005-006-012>014-019>023-181900-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE NOT AVBL  
CHICAGO-MIDWAY NOT AVBL  
AURORA NOT AVBL  
WAUKEGAN NOT AVBL  
DUPAGE AIRPORT NOT AVBL  
WHEELING NOT AVBL  
ROMEOVILLE* SUNNY 77 64 65 SE6 30.13F TC 25  
NORTHERLY ISL* N/A 72 61 68 NE7 N/A TC 22  
 
 
LMZ740>746-181900-  
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 67 69 120/ 8/ 10 1020.8F  
WINTHROP HARBOR 69 69 100/ 6/ 8 N/A 2/ 4  
WAUKEGAN HARBOR 69 71 120/ 6/ 10 N/A 2/ 4  
WILMETTE BUOY 69 80/ 6/ 10 1023.0F 2/ 4  
CHICAGO BUOY 70 71 40/ 8/ 10 1020.8F 2/ 4  
HARRISON CRIB 75 40/ 6/ 7 N/A  
NORTHERLY ISL 72 60/ 6/ 6 N/A  
CALUMET HARBOR 71 20/ 7/ 10 1019.4  
BURNS HARBOR 70 10/ 4/ 5 1021.0F  
MICHIGAN CITY 73 340/ 9/ 10 1019.2F  
MICH CITY BUOY 70 76 320/ 6/ 10 1019.0F 2/ 5  
ST. JOSEPH BUOY 70 76 80/ 4/ 8 1021.6S 1/ 5  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-181900-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-181900-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
PEORIA NOT AVBL  
SPRINGFIELD CLOUDY 81 70 69 CALM 30.11S HX 84 TC 27  
TAYLORVILLE NOT AVBL  
 
 
ILZ033-039-045-046-055>057-062-063-181900-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MATTOON PTSUNNY 80 71 74 CALM 30.10S HX 84 TC 27  
 
 
ILZ079-100>102-181900-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181900-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE NOT AVBL  
MARION PTSUNNY 86 79 79 CALM 30.08F HX 99 TC 30  
 
 
ILZ067-068-072-073-078-083-087-091-181900-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  
 
 
 
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