081  
ASUS43 KLOT 172201  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
500 PM CDT SAT MAY 17 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.
 
 
ILZ001-002-007-009-015-016-024-172300-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE CLOUDY 65 43 44 W21G33 29.80R TC 18  
STERLING* PTSUNNY 69 44 40 W18 29.77R TC 21  

 
 
ILZ003-004-008-010-011-017-018-172300-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD PTSUNNY 70 44 39 W17G28 29.75R TC 21  

 
 
ILZ005-006-012>014-019>023-172300-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE PTSUNNY 71 45 39 W17G30 29.70R TC 22  
CHICAGO-MIDWAY PTSUNNY 70 43 37 W20G29 29.72R TC 21  
AURORA MOSUNNY 70 44 39 W23G31 29.73R TC 21  
WAUKEGAN PTSUNNY 69 45 41 W13G28 29.69R TC 21  
DUPAGE AIRPORT PTSUNNY 69 44 40 W16G29 29.72R TC 21  
WHEELING CLOUDY 70 45 40 W14G25 29.72R TC 21  
MORRIS* PTSUNNY 71 45 40 W24 29.75R TC 21  
ROMEOVILLE* PTSUNNY 70 45 40 W20 29.75R TC 21  
LANSING* PTSUNNY 67 46 45 W15G28 29.73R TC 20  
NORTHERLY ISL* N/A 68 42 38 W9 N/A TC 20  

 
 
LMZ740>746-172300-  
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 70 290/ 16/ 19 N/A  
NORTHERLY ISL 68 300/ 14/ 19 N/A  
CALUMET HARBOR 69 260/ 7/ 16 1005.0  
BURNS HARBOR 60 320/ 2/ 3 1007.1R  
MICHIGAN CITY 58 240/ 4/ 5 1005.7R  
ST. JOSEPH BUOY 56 56 250/ 6/ 12 1007.2R 2/ 4  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-172300-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY SUNNY 71 45 39 W18 29.85S TC 22  
GALESBURG* SUNNY 65 41 42 W21G29 29.85R TC 18  
MACOMB* MOSUNNY 68 45 43 W20G26 29.86R TC 20  
PITTSFIELD* SUNNY 72 46 39 W12G21 29.86S TC 22  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-172300-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
BLOOMINGTON SUNNY 69 47 45 W17G24 29.82R TC 21  
DECATUR MOSUNNY 73 49 42 W16G25 29.82S TC 23  
PEORIA SUNNY 68 44 42 W13G25 29.83R TC 20  
LACON* SUNNY 67 42 39 W14G24 29.79S TC 20  
LINCOLN* SUNNY 71 47 42 W9G16 29.82R TC 22  
SPRINGFIELD MOSUNNY 73 47 39 W18G33 29.82R TC 23  
TAYLORVILLE MOSUNNY 72 48 43 MISG 29.84R TC 22  

 
 
ILZ033-039-045-046-055>057-062-063-172300-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN MOSUNNY 73 48 41 W20G31 29.80R TC 23  
RANTOUL* SUNNY 71 44 37 W21 29.79S TC 22  
MATTOON MOSUNNY 69 51 52 W15G30 29.82R TC 21  

 
 
ILZ079-100>102-172300-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON SUNNY 72 48 43 W18G25 29.86S TC 22  
BELLEVILLE PTSUNNY 74 53 47 W14 29.84R TC 23  
CAHOKIA* PTSUNNY 73 51 46 W10 29.85S TC 23  
SPARTA* MOSUNNY 77 51 40 W10G21 29.87S TC 25  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-172300-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE SUNNY 79 49 34 W9 29.85S TC 26  
CAIRO* SUNNY 83 57 41 SW10G18 29.87S HX 82 TC 28  
EFFINGHAM* PTSUNNY 70 52 52 W14 29.86S TC 21  
MARION PTSUNNY 77 48 36 NW7 29.86S TC 25  
MT. VERNON N/A 74 53 48 VRB7 29.86R TC 23  
CENTRALIA* MOSUNNY 72 51 48 W12 29.86S TC 22  
SALEM* MOSUNNY 73 51 45 W14G20 29.86R TC 23  
METROPOLIS* SUNNY 82 48 30 W13G20 29.86S HX 80 TC 28  

 
 
ILZ067-068-072-073-078-083-087-091-172300-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE PTSUNNY 71 51 49 W14 29.83R TC 22  
FLORA* MOSUNNY 72 52 49 W16 29.86R TC 22  
FAIRFIELD* MOSUNNY 72 50 46 NW6 29.85S TC 22  
HARRISBURG* MOSUNNY 77 54 44 W12 29.86S TC 25  

 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  

 
 
 
 
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