319  
ASUS43 KLOT 182156  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
500 PM CDT SUN MAY 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.  
 
ILZ001-002-007-009-015-016-024-182300-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE SUNNY 73 44 35 E6 29.91F TC 23  
 
 
ILZ003-004-008-010-011-017-018-182300-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD NOT AVBL  
 
 
ILZ005-006-012>014-019>023-182300-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE MOSUNNY 60 45 57 E12 29.98S TC 16  
CHICAGO-MIDWAY NOT AVBL  
AURORA SUNNY 72 45 37 N8 29.94R TC 22  
WAUKEGAN SUNNY 51 40 65 E9 30.00S TC 11  
DUPAGE AIRPORT SUNNY 66 48 52 NE13 29.95R TC 19  
WHEELING SUNNY 55 42 61 NE10 30.01S TC 13  
ROMEOVILLE* SUNNY 66 50 55 NE13 29.97R TC 19  
NORTHERLY ISL* N/A 49 42 77 NE10 N/A TC 9  
 
 
LMZ740>746-182300-  
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)  
HARRISON CRIB 50 50/ 14/ 15 N/A  
NORTHERLY ISL 50 50/ 12/ 12 N/A  
CALUMET HARBOR 51 40/ 10/ 13 1015.1  
BURNS HARBOR 51 50/ 8/ 9 1016.3F  
MICHIGAN CITY 49 40/ 15/ 17 1015.5F  
ST. JOSEPH BUOY 50 56 30/ 14/ 17 1016.8 2/ 4  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-182300-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-182300-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
PEORIA NOT AVBL  
SPRINGFIELD SUNNY 75 44 33 E5 29.93F TC 24  
TAYLORVILLE SUNNY 75 45 33 MISG 29.94F TC 24  
 
 
ILZ033-039-045-046-055>057-062-063-182300-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ILZ079-100>102-182300-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ALTON SUNNY 77 50 38 SE6 29.92F TC 25  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182300-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE PTSUNNY 76 55 48 VRB5 29.92F TC 24  
MARION MOSUNNY 75 52 43 CALM 29.93F TC 24  
 
 
ILZ067-068-072-073-078-083-087-091-182300-  
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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