ASUS43 KLOT 210403 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 1100 PM CDT MON APR 20 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. ILZ001-002-007-009-015-016-024-210500- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE CLEAR 52 36 54 SE9 30.04F TC 11 STERLING* CLEAR 50 32 50 VRB3 30.08F TC 10 SAVANNA* CLEAR 50 31 49 S7 30.06S TC 10 $$ ILZ003-004-008-010-011-017-018-210500- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD PTCLDY 48 30 49 S9 30.09F TC 9 FREEPORT* CLEAR 47 33 59 S7 30.08F TC 8 DE KALB* CLEAR 44 32 63 S8 30.11F TC 7 $$ ILZ005-006-012>014-019>023-210500- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE MOCLDY 51 27 39 S10G18 30.11F TC 11 CHICAGO-MIDWAY PTCLDY 51 28 41 S10 30.13F TC 11 AURORA CLEAR 48 32 53 S10 30.11F TC 9 JOLIET* CLEAR 51 31 47 S6 30.14F TC 11 WAUKEGAN PTCLDY 45 38 76 SE6 30.10F TC 7 DUPAGE AIRPORT CLEAR 50 30 46 S10 30.11F TC 10 KANKAKEE* CLEAR 46 32 59 SE6 30.16F TC 8 WHEELING PTCLDY 52 30 43 S12 30.12F TC 11 MORRIS* CLEAR 48 32 53 S7 30.12F TC 9 LANSING* CLEAR 46 30 53 S8 30.16F TC 8 NORTHERLY ISL* N/A 51 29 42 S9 N/A TC 11 $$ LMZ740>746-210500- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 45 1018.2F 2/ 4 WAUKEGAN HARBOR 46 47 1019.7F 2/ 4 HARRISON CRIB 52 180/ 15/ 16 N/A NORTHERLY ISL 51 180/ 4/ 11 N/A CALUMET HARBOR 51 170/ 8/ 11 1020.5 BURNS HARBOR 49 170/ 6/ 9 1022.0S MICHIGAN CITY 49 160/ 9/ 12 1021.0F ST. JOSEPH BUOY 49 160/ 12/ 14 1022.4F 1/ 2 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-210500- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY CLEAR 58 41 53 S14G24 30.08F TC 14 MACOMB* CLEAR 53 42 65 S9 30.10F TC 12 PITTSFIELD* CLEAR 56 42 61 S8 30.12F TC 13 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-210500- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS BLOOMINGTON CLEAR 50 36 58 S15 30.14F TC 10 DECATUR CLEAR 53 37 54 S12 30.16F TC 12 PEORIA CLEAR 52 38 58 S12 30.11F TC 11 LACON* CLEAR 50 33 50 S10 30.10F TC 10 LINCOLN* CLEAR 54 40 60 S9 30.14F TC 12 SPRINGFIELD CLEAR 54 40 59 S13 30.13F TC 12 TAYLORVILLE CLEAR 54 41 62 SE9 30.16F TC 12 $$ ILZ033-039-045-046-055>057-062-063-210500- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGNCLEAR 49 33 54 SE9 30.17F TC 9 DANVILLE* CLEAR 47 32 55 SE6 30.20F TC 9 MATTOON CLEAR 53 30 41 S12 30.17F TC 12 PARIS* CLEAR 47 32 57 SE6 30.20F TC 8 $$ ILZ079-100>102-210500- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CAHOKIA* CLEAR 58 43 57 S8 30.15F TC 14 SPARTA* CLEAR 56 43 63 SE7 30.20F TC 13 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210500- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE CLEAR 56 43 61 SE3 30.20F TC 13 CAIRO* CLEAR 56 51 81 CALM 30.23S TC 14 EFFINGHAM* CLEAR 52 39 59 SE7 30.21F TC 11 MARION CLEAR 56 43 61 S6 30.22F TC 13 MT. VERNON CLEAR 56 40 55 SE5 30.21F TC 13 CENTRALIA* CLEAR 53 42 65 SE7 30.19F TC 12 SALEM* CLEAR 57 40 54 S7 30.19F TC 14 $$ ILZ067-068-072-073-078-083-087-091-210500- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE CLEAR 49 35 58 S6 30.21F TC 9 FLORA* CLEAR 50 43 76 S7 30.21F TC 10 FAIRFIELD* CLEAR 54 39 56 S3 30.21F TC 12 HARRISBURG* CLEAR 51 46 80 CALM 30.22F TC 11 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$