478  
ASUS43 KLOT 182209  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
500 PM CDT FRI JUL 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 MOSUNNY 80 68 66 S6 30.04F HX 83 TC 27  

 
 
ILZ003-004-008-010-011-017-018-182300-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD MOSUNNY 79 61 53 S6 30.08S HX 80 TC 26  

 
 
ILZ005-006-012>014-019>023-182300-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE MOSUNNY 79 62 56 E7 30.05F HX 80 TC 26  
CHICAGO-MIDWAY PTSUNNY 81 62 52 SE8 30.05F HX 82 TC 27  
AURORA SUNNY 80 65 59 CALM 30.07S HX 82 TC 27  
JOLIET* MOSUNNY 82 65 58 W3 30.07S HX 83 TC 28  
WAUKEGAN MOSUNNY 74 62 66 SE5 30.07F TC 23  
DUPAGE AIRPORT SUNNY 82 62 50 SW7 30.05F HX 83 TC 28  
KANKAKEE* MOSUNNY 80 65 60 SW5 30.08S HX 82 TC 27  
WHEELING MOSUNNY 77 64 64 E6 30.08F TC 25  
MORRIS* MOSUNNY 80 68 66 W6 30.06S HX 83 TC 27  
ROMEOVILLE* SUNNY 81 64 57 S5 30.07S HX 82 TC 27  
LANSING* MOSUNNY 82 65 57 NE6 30.07R HX 83 TC 28  
NORTHERLY ISL* N/A 73 63 70 NE5 N/A TC 23  

 
 
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)  
S. MID LAKE BUOY 69 70 120/ 6/ 6 1018.5F  
WINTHROP HARBOR 70 71 130/ 4/ 6 N/A 2/ 4  
WAUKEGAN HARBOR 70 72 100/ 4/ 8 N/A 2/ 4  
WILMETTE BUOY 70 130/ 6/ 10 1020.7F 2/ 4  
CHICAGO BUOY 73 72 70/ 6/ 8 1018.4 1/ 4  
HARRISON CRIB 79 90/ 6/ 7 N/A  
NORTHERLY ISL 72 40/ 5/ 7 N/A  
CALUMET HARBOR 74 50/ 5/ 8 1017.3  
BURNS HARBOR 75 40/ 5/ 7 1018.6F  
MICHIGAN CITY 73 20/ 10/ 11 1016.6F  
MICH CITY BUOY 73 76 20/ 8/ 10 1016.7F 2/ 5  
ST. JOSEPH BUOY 74 77 340/ 6/ 8 1019.0F 1/ 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
 
QUINCY PTSUNNY 81 73 76 SE7 30.04F HX 86 TC 27  
GALESBURG* CLOUDY 79 69 70 E3 30.07F HX 81 TC 26  
MACOMB* PTSUNNY 82 72 72 SE3 30.07F HX 87 TC 28  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-182300-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
BLOOMINGTON MOSUNNY 80 69 69 S6 30.08F HX 83 TC 27  
DECATUR CLOUDY 84 72 67 E5 30.05F HX 89 TC 29  
PEORIA PTSUNNY 83 70 64 SW7 30.05F HX 87 TC 28  
LACON* CLOUDY 79 66 65 CALM 30.05F HX 81 TC 26  
LINCOLN* CLOUDY 83 71 67 NW3 30.05F HX 87 TC 28  
SPRINGFIELD MOSUNNY 84 73 69 E6 30.04F HX 90 TC 29  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-182300-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
RANTOUL* CLOUDY 82 68 62 CALM 30.07F HX 85 TC 28  
MATTOON SUNNY 81 72 74 SE3 30.05F HX 85 TC 27  

 
 
ILZ079-100>102-182300-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON PTSUNNY 84 75 74 E7 30.04F HX 92 TC 29  
BELLEVILLE CLOUDY 84 76 75 CALM 30.01F HX 93 TC 29  
CAHOKIA* CLOUDY 85 76 74 VRB5 30.02F HX 94 TC 29  

 
 
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 NOT AVBL  
MARION PTSUNNY 86 79 79 N6 30.02F HX 99 TC 30  
MT. VERNON CLOUDY 86 77 74 CALM 30.03F HX 97 TC 30  
CENTRALIA* PTSUNNY 84 77 77 CALM 30.04F HX 94 TC 29  
SALEM* MOSUNNY 84 75 73 N3 30.04F HX 92 TC 29  
METROPOLIS* HVY RAIN 76 74 96 CALM 30.06R TC 24  

 
 
ILZ067-068-072-073-078-083-087-091-182300-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE MOSUNNY 89 75 63 VRB5 30.04F HX 99 TC 32  
FLORA* MOSUNNY 84 75 74 NE7 30.05F HX 92 TC 29  
FAIRFIELD* MOSUNNY 85 74 70 CALM 30.04S HX 93 TC 30  
HARRISBURG* MOSUNNY 87 77 72 NE5 30.03R HX 99 TC 31  

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

 
 
 
 
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