ASUS43 KLOT 220801 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 300 AM CDT SAT AUG 22 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. ILZ001-002-007-009-015-016-024-220900- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE CLEAR 67 63 87 W3 29.97S TC 19 STERLING* CLEAR 67 64 90 NW7 29.96R TC 19 SAVANNA* CLEAR 66 64 93 NW6 29.96S TC 19 $$ ILZ003-004-008-010-011-017-018-220900- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLEAR 64 62 93 NW6 29.95S TC 18 FREEPORT* CLEAR 65 64 94 NW8 29.97S TC 19 $$ ILZ005-006-012>014-019>023-220900- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE PTCLDY 67 64 90 W6 29.90S TC 19 CHICAGO-MIDWAY CLEAR 69 65 86 W8 29.90F TC 21 AURORA CLEAR 64 63 96 SW3 29.93R TC 18 JOLIET* PTCLDY 67 67 97 CALM 29.93F TC 20 WAUKEGAN NOT AVBL DUPAGE AIRPORT NOT AVBL WHEELING PTCLDY 68 66 93 NW6 29.91F TC 20 LANSING* PTCLDY 64 63 95 CALM 29.92S TC 18 NORTHERLY ISL* N/A 71 65 81 W9 N/A TC 22 $$ LMZ740>746-220900- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 70 73 300/ 12/ 16 1009.8F 1 WAUKEGAN HARBOR 70 74 310/ 10/ 14 1013.1R 1 WILMETTE BUOY 72 270/ 10/ 16 1015.0F 1 CHICAGO BUOY 73 73 1011.5S 1 NORTHERLY ISL 71 240/ 5/ 10 N/A CALUMET HARBOR 71 230/ 4/ 7 1012.9 MICH CITY BUOY 73 74 220/ 12/ 14 N/A 1/ 2 ST. JOSEPH BUOY 72 74 200/ 10/ 12 1013.1F 1/ 3 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-220900- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY CLEAR 70 66 87 N6 30.00S TC 21 MACOMB* PTCLDY 67 67 99 NW8 30.02S TC 20 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-220900- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS BLOOMINGTON CLEAR 64 64 100 SW7 29.98S TC 18 DECATUR PTCLDY 65 64 97 CALM 29.96F TC 18 PEORIA NOT AVBL LACON* CLEAR 67 64 90 NW5 29.95S TC 19 LINCOLN* CLEAR 65 65 100 S3 29.97S TC 19 SPRINGFIELD CLEAR 64 63 96 CALM 29.97S TC 18 TAYLORVILLE NOT AVBL $$ ILZ033-039-045-046-055>057-062-063-220900- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN MOCLDY 65 64 97 CALM 29.95F TC 18 MATTOON CLOUDY 70 67 90 S5 29.96F TC 21 $$ ILZ079-100>102-220900- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTONMOCLDY 71 69 93 E10 30.01R TC 22 CAHOKIA* PTCLDY 70 69 97 CALM 29.98S TC 21 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220900- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE NOT AVBL MARION CLEAR 69 68 98 CALM 30.02S TC 21 MT. VERNON PTCLDY 65 64 97 CALM 30.02R TC 18 CENTRALIA* PTCLDY 69 67 92 CALM 30.02R TC 21 SALEM* MOCLDY 70 68 93 MISG 30.02R TC 21 $$ ILZ067-068-072-073-078-083-087-091-220900- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE PTCLDY 68 66 93 CALM 29.98F TC 20 FAIRFIELD* MOCLDY 65 64 96 CALM 30.00F TC 19 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$