ASUS43 KLOT 230501 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 1200 AM CDT SUN AUG 23 2026 NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY. * THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT REPORT WEATHER SUCH AS PRECIPITATION OR FOG. ILZ001-002-007-009-015-016-024-230600- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE CLEAR 70 56 61 N8 30.04S TC 21 STERLING* CLEAR 65 56 72 NW5 30.04R TC 18 SAVANNA* CLEAR 64 60 87 NW6 30.04S TC 18 $$ ILZ003-004-008-010-011-017-018-230600- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLEAR 63 54 72 NW5 30.03S TC 17 FREEPORT* CLEAR 63 56 80 NW6 30.04F TC 17 $$ ILZ005-006-012>014-019>023-230600- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE PTCLDY 68 56 65 NW6 29.98S TC 20 CHICAGO-MIDWAY PTCLDY 68 55 63 W5 29.98S TC 20 AURORA CLEAR 62 56 80 N3 30.00S TC 17 JOLIET* CLEAR 67 59 73 CALM 30.00S TC 20 WAUKEGAN NOT AVBL DUPAGE AIRPORT NOT AVBL WHEELING PTCLDY 65 57 75 CALM 30.00S TC 18 LANSING* CLEAR 67 55 66 NW3 29.99S TC 20 NORTHERLY ISL* N/A 72 53 51 NW9 N/A TC 22 $$ LMZ740>746-230600- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 67 73 290/ 8/ 10 1010.3S 1/ 4 WAUKEGAN HARBOR 68 74 260/ 6/ 8 1015.7F 1/ 4 WILMETTE BUOY 72 360/ 10/ 14 1018.1R 2/ 4 CHICAGO BUOY 73 73 1014.0F 2/ 4 NORTHERLY ISL 72 330/ 8/ 18 N/A CALUMET HARBOR 70 320/ 3/ 4 1015.2 MICH CITY BUOY 72 74 330/ 14/ 17 N/A 3/ 4 ST. JOSEPH BUOY 72 74 340/ 12/ 19 1015.8R 3/ 4 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-230600- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY CLEAR 64 58 80 NW7 30.07S TC 18 MACOMB* CLEAR 61 60 99 W8 30.08S TC 16 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-230600- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS BLOOMINGTON CLEAR 64 59 83 NW6 30.04S TC 18 DECATUR CLEAR 67 59 75 NW6 30.03S TC 19 PEORIA NOT AVBL LACON* CLEAR 61 56 84 CALM 30.02S TC 16 LINCOLN* CLEAR 66 62 87 NW3 30.04S TC 19 SPRINGFIELD CLEAR 65 61 87 NW5 30.04R TC 18 TAYLORVILLE NOT AVBL $$ ILZ033-039-045-046-055>057-062-063-230600- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN CLEAR 60 59 96 W5 30.02S TC 16 MATTOON CLEAR 66 62 87 W6 30.02R TC 19 $$ ILZ079-100>102-230600- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON CLEAR 68 65 88 CALM 30.05R TC 20 CAHOKIA* MOCLDY 70 66 87 NW3 30.04R TC 21 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-230600- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE NOT AVBL MARION CLEAR 65 65 99 CALM 30.04S TC 19 MT. VERNON MOCLDY 66 65 96 CALM 30.04R TC 19 CENTRALIA* MOCLDY 68 66 92 CALM 30.04R TC 20 SALEM* CLOUDY 70 67 90 MISG 30.03S TC 21 $$ ILZ067-068-072-073-078-083-087-091-230600- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE CLEAR 67 64 90 W5 30.01R TC 19 FAIRFIELD* CLEAR 65 63 95 CALM 30.03R TC 18 HARRISBURG* CLEAR 65 65 100 CALM 30.03S TC 18 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$