ASUS43 KLOT 210101 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 800 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. ILZ001-002-007-009-015-016-024-210200- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE CLEAR 56 32 40 SE7 30.09F TC 13 STERLING* CLEAR 54 26 34 CALM 30.13F TC 12 SAVANNA* CLEAR 54 26 33 S9 30.11S TC 12 $$ ILZ003-004-008-010-011-017-018-210200- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD PTCLDY 52 25 35 SE8 30.13F TC 11 FREEPORT* PTCLDY 50 32 50 S8 30.13F TC 10 ROCHELLE* CLEAR 49 31 48 S8 30.14S TC 10 DE KALB* PTCLDY 46 32 57 S9 30.15S TC 8 PERU* CLEAR 55 30 37 S12 30.15S TC 13 $$ ILZ005-006-012>014-019>023-210200- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE MOCLDY 54 25 32 S9G18 30.13F TC 12 CHICAGO-MIDWAY MOCLDY 55 25 31 S12 30.15F TC 13 AURORA PTCLDY 52 28 39 S7 30.14F TC 11 JOLIET* PTCLDY 55 27 33 S6 30.16F TC 13 WAUKEGAN MOCLDY 44 31 60 SE10 30.13F TC 7 DUPAGE AIRPORT PTCLDY 52 26 36 S8 30.13F TC 11 WHEELING PTCLDY 50 31 48 SE8 30.15F TC 10 MORRIS* PTCLDY 54 26 33 S8 30.14F TC 12 ROMEOVILLE* CLEAR 54 28 37 S9 30.15F TC 12 NORTHERLY ISL* N/A 48 39 71 SE5 N/A TC 9 $$ LMZ740>746-210200- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 45 1021.4F 2/ 3 WAUKEGAN HARBOR 45 45 1020.4F 3/ 3 HARRISON CRIB 48 130/ 17/ 19 N/A NORTHERLY ISL 47 110/ 6/ 14 N/A CALUMET HARBOR 54 160/ 10/ 14 1020.9F BURNS HARBOR 53 170/ 6/ 9 1022.4F MICHIGAN CITY 52 140/ 8/ 10 1021.9F ST. JOSEPH BUOY 51 160/ 10/ 12 1023.1F 1 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-210200- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY CLEAR 60 40 47 SE9 30.10F TC 16 MACOMB* CLEAR 58 38 48 S10 30.13F TC 14 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-210200- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS PONTIAC CLEAR 55 26 33 MISG 30.17S TC 13 BLOOMINGTON CLEAR 52 32 46 S12 30.18F TC 11 DECATUR CLEAR 53 35 50 SE8 30.19F TC 12 PEORIA CLEAR 56 32 40 S9 30.15F TC 13 LACON* CLEAR 53 26 35 S8 30.14F TC 12 LINCOLN* CLEAR 57 38 50 S7 30.17F TC 14 SPRINGFIELD CLEAR 58 37 45 SE12 30.16F TC 14 TAYLORVILLE CLEAR 57 39 51 S7 30.19F TC 14 $$ ILZ033-039-045-046-055>057-062-063-210200- EAST-CENTRAL ILLINOIS CITYSKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN CLEAR 50 32 50 S7 30.20F TC 10 DANVILLE* CLEAR 53 32 45 SE6 30.22F TC 12 MATTOON CLEAR 55 31 39 S6 30.20F TC 13 $$ ILZ079-100>102-210200- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON CLEAR 55 43 62 SE9 30.18F TC 13 CAHOKIA* CLEAR 60 42 51 SE7 30.16F TC 16 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210200- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE CLEAR 60 45 57 SE7 30.20S TC 16 CAIRO* CLEAR 64 49 58 CALM 30.22S TC 18 MT. VERNON CLEAR 57 42 57 CALM 30.21F TC 14 CENTRALIA* CLEAR 58 40 51 CALM 30.20F TC 15 SALEM* CLEAR 60 41 48 SE5 30.20F TC 16 METROPOLIS* CLEAR 60 46 60 MISG 30.23S TC 16 $$ ILZ067-068-072-073-078-083-087-091-210200- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE CLEAR 59 29 31 CALM 30.23F TC 15 FLORA* CLEAR 57 41 54 SE5 30.22F TC 14 FAIRFIELD* CLEAR 58 40 51 CALM 30.22F TC 14 HARRISBURG* CLEAR 59 46 61 E6 30.22S TC 15 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$