418  
ASUS43 KLOT 151456  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1000 AM CDT FRI AUG 15 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.  
 
ILZ001-002-007-009-015-016-024-151600-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE SUNNY 80 71 74 SE5 30.06S HX 84 TC 27  
 
 
ILZ003-004-008-010-011-017-018-151600-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD PTSUNNY 78 68 71 S8 30.11R HX 80 TC 26  
 
 
ILZ005-006-012>014-019>023-151600-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE PTSUNNY 82 64 54 S9 30.10S HX 83 TC 28  
CHICAGO-MIDWAY MOSUNNY 83 64 52 SW7 30.10S HX 84 TC 28  
AURORA MOSUNNY 80 67 64 S6 30.10S HX 82 TC 27  
WAUKEGAN MOSUNNY 82 64 54 S6 30.10S HX 83 TC 28  
DUPAGE AIRPORT MOSUNNY 80 66 62 SE7 30.10S HX 82 TC 27  
WHEELING MOSUNNY 82 65 56 S9 30.12S HX 84 TC 28  
ROMEOVILLE* MOSUNNY 81 70 69 SE6 30.11S HX 84 TC 27  
NORTHERLY ISL* N/A 79 67 66 SE5 N/A HX 81 TC 26  
 
 
LMZ740>746-151600-  
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 75 75 190/ 8/ 8 1019.5R  
WINTHROP HARBOR 75 74 180/ 4/ 6 N/A 1  
WAUKEGAN HARBOR 75 74 190/ 4/ 4 N/A 1  
WILMETTE BUOY 75 150/ 8/ 12 1021.8F 1  
HARRISON CRIB 83 160/ 6/ 9 N/A  
NORTHERLY ISL 78 120/ 2/ 4 N/A  
CALUMET HARBOR 79 160/ 6/ 7 1018.5  
BURNS HARBOR 80 180/ 3/ 5 1020.3S  
MICHIGAN CITY 79 120/ 7/ 8 1018.2F  
MICH CITY BUOY 77 77 150/ 8/ 10 1018.1S 1  
ST. JOSEPH BUOY 77 78 130/ 6/ 8 1020.9R 1  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-151600-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-151600-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
PEORIA NOT AVBL  
SPRINGFIELD SUNNY 84 74 71 S6 30.08R HX 91 TC 29  
TAYLORVILLE NOT AVBL  
 
 
ILZ033-039-045-046-055>057-062-063-151600-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHAMPAIGN SUNNY 83 73 72 S12 30.12R HX 89 TC 28  
MATTOON PTSUNNY 82 73 74 S8 30.11R HX 87 TC 28  
 
 
ILZ079-100>102-151600-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ALTON SUNNY 84 75 74 SE6 30.09R HX 92 TC 29  
CAHOKIA* SUNNY 87 75 67 S7 30.07S HX 96 TC 31  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151600-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE SUNNY 86 75 69 CALM 30.09S HX 95 TC 30  
MARION SUNNY 86 75 70 CALM 30.10S HX 95 TC 30  
 
 
ILZ067-068-072-073-078-083-087-091-151600-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
LAWRENCEVILLE SUNNY 83 75 77 CALM 30.12R HX 90 TC 28  
 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  
 
 
 
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