ASUS43 KLOT 230912 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 400 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. ILZ001-002-007-009-015-016-024-231000- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE CLEAR 59 55 87 SW5 30.06S TC 15 STERLING* CLEAR 61 54 77 NW6 30.05R TC 16 SAVANNA* CLEAR 59 55 85 N5 30.06R TC 15 $$ ILZ003-004-008-010-011-017-018-231000- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLEAR 57 52 83 CALM 30.05R TC 14 FREEPORT* CLEAR 57 55 92 NW3 30.06S TC 14 ROCHELLE* CLEAR 56 52 86 CALM 30.04S TC 13 DE KALB* CLEAR 57 54 89 NW7 30.04R TC 14 PERU* CLEAR 57 55 94 W6 30.04R TC 14 $$ ILZ005-006-012>014-019>023-231000- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE PTCLDY 63 57 81 W6 29.99S TC 17 CHICAGO-MIDWAY CLEAR 64 58 80 NW5 29.99S TC 18 AURORA CLEAR 55 54 96 NW3 30.01S TC 13 JOLIET* CLEAR 60 57 91 CALM 30.02R TC 16 WAUKEGAN NOT AVBL DUPAGE AIRPORT NOT AVBL KANKAKEE* CLEAR 57 56 95 W5 30.03R TC 14 WHEELING PTCLDY 62 58 86 N5 30.01S TC 17 ROMEOVILLE* CLEAR 61 59 94 W3 30.02R TC 16 LANSING* CLEAR 58 56 95 CALM 30.00R TC 14 NORTHERLY ISL* N/A 69 58 67 N6 N/A TC 21 $$ LMZ740>746-231000- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 67 73 310/ 10/ 12 1011.3 2/ 4 WAUKEGAN HARBOR 67 73 290/ 10/ 12 1016.0 1/ 3 WILMETTE BUOY 71 20/ 12/ 16 1018.3R 2/ 4 CHICAGO BUOY 72 73 1014.6 2/ 4 NORTHERLY ISL 69 320/ 6/ 7 N/A CALUMET HARBOR 70 330/ 4/ 6 1015.5 MICH CITY BUOY 71 74 10/ 6/ 10 N/A 2/ 5 ST. JOSEPH BUOY 71 73 350/ 8/ 10 1015.8S 3/ 4 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-231000- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY CLEAR 61 58 90 NW5 30.09S TC 16 GALESBURG* CLEAR 57 57 97 W6 30.08S TC 14 MACOMB* CLEAR 58 58 100 W7 30.10S TC 14 JACKSONVILLE* PTCLDY 59 59 100 CALM 30.08S TC 15 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-231000- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS PONTIAC CLEAR 57 57 100 CALM 30.03S TC 14 BLOOMINGTON CLEAR 61 58 90 W8 30.06R TC 16 DECATUR CLEAR 63 59 87 NW6 30.05S TC 17 PEORIA CLEAR 61 57 88 NW3 30.05S TC 16 LACON* CLEAR 56 53 91 CALM 30.04R TC 13 LINCOLN* CLEAR 64 59 86 W3 30.05S TC 18 SPRINGFIELD CLEAR 59 58 96 W3 30.06S TC 15 TAYLORVILLE NOT AVBL $$ ILZ033-039-045-046-055>057-062-063-231000- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN CLEAR 57 56 96 CALM 30.03S TC 14 RANTOUL* CLEAR 58 57 97 W6 30.03S TC 14 MATTOON CLEAR 62 58 86 W6 30.03S TC 17 PARIS* CLEAR 58 58 97 CALM 30.03S TC 15 $$ ILZ079-100>102-231000- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON CLEAR 64 61 93 CALM 30.08R TC 18 BELLEVILLE CLEAR 66 65 97 CALM 30.04R TC 19 CAHOKIA* CLEAR 65 63 93 CALM 30.06S TC 18 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-231000- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE NOT AVBL CAIRO* CLEAR 65 65 100 CALM 30.04S TC 19 EFFINGHAM* CLEAR 62 62 100 CALM 30.06S TC 17 MARION CLEAR 66 66 98 CALM 30.06R TC 19 MT. VERNON PTCLDY 63 63 100 CALM 30.05S FOG TC 17 CENTRALIA* CLEAR 65 63 94 CALM 30.06R TC 18 SALEM* CLEAR 63 63 99 MISG 30.05R TC 17 METROPOLIS* CLEAR 63 62 97 CALM 30.04S TC 17 $$ ILZ067-068-072-073-078-083-087-091-231000- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE CLEAR 63 62 97 W5 30.02R TC 17 FLORA* CLEAR 64 64 100 NW6 30.04S TC 18 HARRISBURG* PTCLDY 64 64 100 CALM 30.05R TC 18 ROBINSON* CLEAR 57 57 100 SW2 30.02R TC 14 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$