747  
ASUS43 KLOT 161356  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
900 AM CDT SAT MAY 16 2026  
 
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.
 
 
ILZ001-002-007-009-015-016-024-161500-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE MOSUNNY 68 62 81 SW8 29.83S TC 20  

 
 
ILZ003-004-008-010-011-017-018-161500-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD PTSUNNY 67 61 81 W9 29.84R TC 19  
PERU* PTSUNNY 66 63 88 SW7 29.86R TC 19  

 
 
ILZ005-006-012>014-019>023-161500-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE PTSUNNY 67 59 75 SW3 29.79F TC 19  
CHICAGO-MIDWAY NOT AVBL  
AURORA PTSUNNY 67 62 84 S8 29.83R TC 19  
WAUKEGAN CLOUDY 65 61 87 W6 29.79R TC 18  
DUPAGE AIRPORT PTSUNNY 67 61 81 SW8 29.81R TC 19  
WHEELING CLOUDY 66 60 81 VRB3 29.79R TC 19  
MORRIS* PTSUNNY 64 63 94 W6 29.82R TC 18  
ROMEOVILLE* MOSUNNY 64 64 100 NW8G16 29.84R TC 18  
NORTHERLY ISL* N/A 66 58 75 SE2 N/A TC 19  

 
 
LMZ740>746-161500-  
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)  
WINTHROP HARBOR 48 1011.4F 1/ 3  
WAUKEGAN HARBOR 54 51 190/ 6/ 8 1008.9F 1/ 4  
HARRISON CRIB 66 290/ 16/ 19 N/A  
NORTHERLY ISL 61 210/ 2/ 14 N/A  
CALUMET HARBOR 190/ 2/ 4 N/A  
BURNS HARBOR 65 190/ 7/ 10 1007.8F  
MICHIGAN CITY 65 110/ 13/ 16 1003.1F  
ST. JOSEPH BUOY 54 150/ 12/ 16 1007.8F 2/ 3  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-161500-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-161500-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PEORIA NOT AVBL  
SPRINGFIELD CLOUDY 74 65 73 S14 29.87F TC 23  
TAYLORVILLE CLOUDY 72 66 83 NE3 29.91R TC 22  

 
 
ILZ033-039-045-046-055>057-062-063-161500-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

 
 
ILZ079-100>102-161500-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON TSTM 70 64 83 SW18G28 29.95R TC 21  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-161500-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE CLOUDY 75 66 73 S16G29 29.93S TC 24  
MARION CLOUDY 73 66 78 S13G21 29.94F TC 23  

 
 
ILZ067-068-072-073-078-083-087-091-161500-  
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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