110  
ASUS43 KLOT 180201  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
900 PM 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.  
 
ILZ001-002-007-009-015-016-024-180300-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE PTCLDY 81 78 91 E9 29.99R HX 89 TC 27  
 
 
ILZ003-004-008-010-011-017-018-180300-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD CLOUDY 73 67 81 VRB3 30.09R TC 23  
 
 
ILZ005-006-012>014-019>023-180300-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE PTCLDY 73 66 78 NE10 30.08R TC 23  
CHICAGO-MIDWAY PTCLDY 75 66 73 NE9 30.08R TC 24  
AURORA MOCLDY 74 67 78 E8 30.07R TC 23  
WAUKEGAN CLEAR 71 65 81 N5 30.09R TC 22  
DUPAGE AIRPORT PTCLDY 73 66 78 NE6 30.08R TC 23  
WHEELING PTCLDY 73 67 81 MISG 30.10R TC 23  
MORRIS* MOCLDY 74 72 95 CALM 30.06R TC 23  
LANSING* PTCLDY 73 69 87 NE7 30.08R TC 23  
NORTHERLY ISL* N/A 73 66 78 N13 N/A TC 23  
 
 
LMZ740>746-180300-  
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 74 77 10/ 12/ 14 1018.1R  
WINTHROP HARBOR 74 75 330/ 12/ 14 N/A 2/ 5  
WAUKEGAN HARBOR 74 76 330/ 12/ 16 N/A 2/ 4  
WILMETTE BUOY 75 20/ 14/ 17 1020.9R 3/ 5  
NORTHERLY ISL 73 360/ 6/ 9 N/A  
CALUMET HARBOR 74 350/ 6/ 8 1017.2  
BURNS HARBOR 76 30/ 6/ 7 1018.6R  
MICHIGAN CITY 76 20/ 12/ 13 1016.7R  
MICH CITY BUOY 76 78 10/ 10/ 12 1016.7R 3/ 5  
ST. JOSEPH BUOY 76 330/ 14/ 17 1018.8R 3/ 5  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-180300-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
QUINCY MOCLDY 76 70 82 E3 30.00R TC 24  
GALESBURG* PTCLDY 81 77 88 SE3 30.02R HX 88 TC 27  
MACOMB* MOCLDY 78 76 94 CALM 30.03R TC 25  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-180300-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
BLOOMINGTON CLEAR 81 76 84 S5 30.05R HX 87 TC 27  
DECATUR CLEAR 80 77 90 E3 30.02R HX 87 TC 27  
PEORIA PTCLDY 83 77 82 E3 30.01R HX 92 TC 28  
LACON* MOCLDY 79 73 81 E6 30.02R HX 82 TC 26  
LINCOLN* CLEAR 81 81 100 CALM 30.01S HX 94 TC 27  
SPRINGFIELD PTCLDY 81 77 88 CALM 30.00R HX 88 TC 27  
TAYLORVILLE NOT AVBL  
 
 
ILZ033-039-045-046-055>057-062-063-180300-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHAMPAIGN PTCLDY 80 73 79 NE5 30.03S HX 84 TC 27  
DANVILLE* PTCLDY 79 76 91 E5 30.05R HX 83 TC 26  
RANTOUL* PTCLDY 78 71 80 CALM 30.04R TC 25  
MATTOON CLEAR 79 75 87 SE5 30.02R HX 83 TC 26  
 
 
ILZ079-100>102-180300-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ALTON CLEAR 81 79 94 VRB3 30.00R HX 89 TC 27  
CAHOKIA* PTCLDY 82 76 81 CALM 29.98R HX 89 TC 28  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180300-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE CLEAR 81 76 84 S3 29.99R HX 87 TC 27  
CAIRO* PTCLDY 80 77 91 CALM 30.00R HX 87 TC 27  
MARION PTCLDY N/A N/A N/A SE3 30.01R  
MT. VERNON CLEAR 82 77 84 CALM 30.02R HAZE HX 90  
CENTRALIA* CLEAR 81 75 84 E3 30.01R HX 86 TC 27  
SALEM* CLEAR 85 75 73 CALM 30.01R HX 93 TC 29  
METROPOLIS* PTCLDY 82 73 76 CALM 30.00S HX 87 TC 28  
 
 
ILZ067-068-072-073-078-083-087-091-180300-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
LAWRENCEVILLE PTCLDY 79 75 87 CALM 30.02R HX 83 TC 26  
FLORA* PTCLDY 81 75 83 E3 30.02R HX 86 TC 27  
FAIRFIELD* CLEAR 79 75 87 CALM 30.01R HX 82 TC 26  
HARRISBURG* PTCLDY 80 75 83 CALM 30.01R HX 85 TC 27  
 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  
 
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab IL Page
Main Text Page