449  
ASUS43 KLOT 170256  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1000 PM CDT WED JUL 16 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.  
 
ILZ001-002-007-009-015-016-024-170400-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE CLEAR 77 69 76 NW9 29.87R TC 25  
 
 
ILZ003-004-008-010-011-017-018-170400-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD PTCLDY 74 65 73 NW12G22 29.86R TC 23  
 
 
ILZ005-006-012>014-019>023-170400-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE MOCLDY 78 69 73 SW13G21 29.78R HX 80 TC 26  
CHICAGO-MIDWAY NOT AVBL  
AURORA MOCLDY 77 70 79 W15G23 29.82R TC 25  
WAUKEGAN MOCLDY 78 68 71 W10G28 29.76R HX 80 TC 26  
DUPAGE AIRPORT MOCLDY 77 69 76 W14G23 29.81R TC 25  
WHEELING MOCLDY 79 70 74 W10 29.79R HX 82 TC 26  
NORTHERLY ISL* N/A 77 70 79 S7 N/A TC 25  
 
 
LMZ740>746-170400-  
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 76 74 220/ 17/ 21 1006.2R  
WINTHROP HARBOR 76 67 250/ 16/ 27 N/A 1/ 3  
WAUKEGAN HARBOR 78 73 240/ 14/ 21 N/A 1/ 3  
WILMETTE BUOY 78 240/ 12/ 17 1010.3S 1/ 2  
CHICAGO BUOY 76 74 220/ 12/ 16 1009.0R 1  
HARRISON CRIB 85 230/ 18/ 21 N/A  
NORTHERLY ISL 77 230/ 6/ 12 N/A  
CALUMET HARBOR 76 200/ 8/ 14 1007.8  
BURNS HARBOR 74 200/ 9/ 11 1009.8R  
MICHIGAN CITY 73 200/ 16/ 18 1007.3S  
MICH CITY BUOY 75 78 190/ 16/ 19 1007.5R 3/ 3  
ST. JOSEPH BUOY 76 77 220/ 21/ 33 1009.3R 3/ 4  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-170400-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-170400-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
PEORIA NOT AVBL  
SPRINGFIELD NOT AVBL  
TAYLORVILLE NOT AVBL  
 
 
ILZ033-039-045-046-055>057-062-063-170400-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ILZ079-100>102-170400-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ALTON CLEAR 73 72 94 S6 29.92S TC 23  
CAHOKIA* CLEAR 79 73 82 CALM 29.92S HX 82 TC 26  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170400-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE MOCLDY 79 76 90 CALM 29.95R HX 83 TC 26  
 
 
ILZ067-068-072-073-078-083-087-091-170400-  
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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