ASUS43 KLOT 230801 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 300 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. ILZ001-002-007-009-015-016-024-230900- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE CLEAR 59 55 87 SW5 30.06R TC 15 STERLING* CLEAR 61 55 81 W5 30.04S TC 16 SAVANNA* CLEAR 61 57 87 NW3 30.05S TC 16 $$ ILZ003-004-008-010-011-017-018-230900- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLEAR 59 53 80 NW3 30.04R TC 15 FREEPORT* CLEAR 60 55 83 W5 30.06R TC 16 $$ ILZ005-006-012>014-019>023-230900- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE PTCLDY 64 58 80 W3 29.99R TC 18 CHICAGO-MIDWAY MOCLDY 66 57 72 W5 29.99R TC 19 AURORA CLEAR 55 54 96 W3 30.01R TC 13 JOLIET* CLEAR 62 58 84 CALM 30.00S TC 17 WAUKEGAN CLEAR 62 58 86 NW5 29.99S TC 17 DUPAGE AIRPORT CLEAR 61 55 82 CALM 30.01S TC 16 WHEELING PTCLDY 63 58 83 N5 30.01R TC 17 LANSING* PTCLDY 59 57 92 CALM 29.99S TC 15 NORTHERLY ISL* N/A 69 55 60 NW6 N/A TC 21 $$ LMZ740>746-230900- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 68 73 320/ 8/ 12 1011.5R 2/ 4 WAUKEGAN HARBOR 68 73 300/ 10/ 14 1015.9R 1/ 4 WILMETTE BUOY 72 30/ 10/ 14 1018.0S 2/ 4 CHICAGO BUOY 72 73 1014.3R 2/ 4 NORTHERLY ISL 69 350/ 4/ 9 N/A CALUMET HARBOR 69 310/ 3/ 3 1015.5R MICH CITY BUOY 72 74 10/ 10/ 14 N/A 3/ 5 ST. JOSEPH BUOY 71 74 360/ 10/ 14 1015.6F 3/ 4 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-230900- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY CLEAR 61 58 90 NW6 30.09S TC 16 MACOMB* CLEAR 58 58 100 W5 30.10S TC 15 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-230900- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS BLOOMINGTON CLEAR 62 59 90 W7 30.05S TC 17 DECATUR CLEAR 64 59 83 NW6 30.05R TC 18 PEORIA CLEAR 63 57 82 NW5 30.05S TC 17 LINCOLN* CLEAR 64 59 85 W3 30.05S TC 18 SPRINGFIELD CLEAR 60 59 96 SW3 30.06S TC 16 TAYLORVILLE NOT AVBL $$ ILZ033-039-045-046-055>057-062-063-230900- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN CLEAR 59 58 96 W6 30.03S TC 15 MATTOON CLEAR 63 59 87 W6 30.03S TC 17 $$ ILZ079-100>102-230900- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON CLEAR 65 63 92 NW3 30.07S TC 18CAHOKIA* CLEAR 66 64 93 CALM 30.06R TC 19 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-230900- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE NOT AVBL MARION CLEAR 68 68 98 CALM 30.05R TC 20 MT. VERNON FOG 62 62 100 CALM 30.04F VSB 1 TC 17 CENTRALIA* CLEAR 65 63 93 CALM 30.05S TC 19 SALEM* CLEAR 64 63 98 MISG 30.04S TC 18 $$ ILZ067-068-072-073-078-083-087-091-230900- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE CLEAR 64 62 93 W3 30.01F TC 18 FAIRFIELD* CLEAR 65 62 93 CALM 30.03S TC 18 HARRISBURG* CLEAR 64 64 100 CALM 30.03S TC 18 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$