062  
ASUS43 KLOT 170801  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
300 AM CDT SUN AUG 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.
 
 
ILZ001-002-007-009-015-016-024-170900-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE CLEAR 76 75 97 S3 30.00R TC 24  
STERLING* MOCLDY 71 71 100 W3 30.02F TC 22  

 
 
ILZ003-004-008-010-011-017-018-170900-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD CLOUDY 73 70 90 CALM 30.04F TC 23  

 
 
ILZ005-006-012>014-019>023-170900-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE TSTM 70 68 93 SW6 30.02R FOG TC 21  
CHICAGO-MIDWAY TSTM 72 69 90 NW10G46 30.11R VSB 1 TC 22  
AURORA CLOUDY 74 71 91 VRB6 30.03R TC 23  
WAUKEGAN MOCLDY 74 71 91 NE3 30.03F TC 23  
DUPAGE AIRPORT TSTM 71 69 93 NE12 30.03S FOG TC 22  
WHEELING TSTM 73 72 96 MISG 30.04F TC 23  
MORRIS* CLOUDY 73 71 95 SE10G16 30.01S TC 23  
LANSING* MOCLDY 70 69 98 S6 30.02S TC 21  
NORTHERLY ISL* N/A 72 69 90 S5 N/A TC 22  

 
 
LMZ740>746-170900-  
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 76 340/ 2/ 2 1017.1S  
WINTHROP HARBOR 74 75 10/ 4/ 6 N/A 1/ 4  
WAUKEGAN HARBOR 74 75 N/A 1  
WILMETTE BUOY 75 1019.3R 2/ 3  
NORTHERLY ISL 72 350/ 4/ 14 N/A  
CALUMET HARBOR 72 260/ 3/ 6 1016.0  
BURNS HARBOR 74 110/ 4/ 9 1016.9F  
MICHIGAN CITY 73 200/ 15/ 18 1014.5F  
MICH CITY BUOY 74 77 200/ 14/ 19 1014.8F 2/ 3  
ST. JOSEPH BUOY 76 77 240/ 2/ 6 1017.5F 1/ 4  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-170900-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY CLEAR 78 73 84 S5 30.00F HX 81 TC 26  
GALESBURG* CLEAR 77 77 100 SW6 30.01S TC 25  
MACOMB* PTCLDY 78 76 96 SW5 30.02F TC 25  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-170900-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
BLOOMINGTON MOCLDY 72 70 93 S10 30.04S TC 22  
DECATUR MOCLDY 76 69 79 S7 30.03F TC 24  
PEORIA PTCLDY 77 72 84 S6 30.01F TC 25  
LACON* MOCLDY 76 71 84 CALM 30.01R TC 24  
LINCOLN* MOCLDY 74 71 89 S3 30.03S TC 23  
SPRINGFIELD PTCLDY 77 73 87 E6 30.02S TC 25  
TAYLORVILLE PTCLDY 75 72 88 SE9 30.03F TC 24  

 
 
ILZ033-039-045-046-055>057-062-063-170900-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN CLOUDY 71 69 93 SW3 30.04S TC 22  
RANTOUL* MOCLDY 71 69 96 CALM 30.03S TC 22  
MATTOON CLOUDY 74 68 81 S8 30.02F TC 23  

 
 
ILZ079-100>102-170900-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON CLEAR 74 73 95 CALM 30.03S TC 23  
CAHOKIA* CLEAR 76 73 91 CALM 30.02S TC 24  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170900-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE CLEAR 72 71 97 CALM 30.03F TC 22  
CAIRO* CLEAR 75 74 97 CALM 30.03F TC 24  
EFFINGHAM* PTCLDY 75 72 91 SE5 30.05F TC 24  
MARION CLEAR 76 73 89 CALM 30.04S TC 24  
MT. VERNON PTCLDY 73 72 96 CALM 30.04S TC 23  
CENTRALIA* CLEAR 74 72 95 S5 30.03F TC 23  
SALEM* CLEAR 78 72 81 S5 30.03F HX 81 TC 26  
METROPOLIS* CLEAR 74 73 96 CALM 30.04F TC 23  

 
 
ILZ067-068-072-073-078-083-087-091-170900-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE PTCLDY 76 74 93 S7 30.02F TC 24  
FLORA* PTCLDY 79 75 89 E5 30.04F HX 82 TC 26  
FAIRFIELD* PTCLDY 75 73 93 CALM 30.03F TC 24  
HARRISBURG* CLEAR 73 71 95 CALM 30.04S TC 23  

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

 
 
 
 
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