ASUS43 KLOT 210801 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 300 AM CDT TUE APR 21 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. ILZ001-002-007-009-015-016-024-210900- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE PTCLDY 53 41 63 S6 29.99F TC 12 STERLING* PTCLDY 51 40 65 VRB7 30.01F TC 11 SAVANNA* PTCLDY 48 39 69 S8 29.99F TC 9 $$ ILZ003-004-008-010-011-017-018-210900- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLOUDY 48 36 63 S9 30.03S TC 9 FREEPORT* CLOUDY 50 41 71 S16 30.00F TC 10 DE KALB* MOCLDY 44 36 72 S14 30.04F TC 7 $$ ILZ005-006-012>014-019>023-210900- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE MOCLDY 51 30 44 S10 30.04F TC 11 CHICAGO-MIDWAY CLOUDY 50 29 44 S9 30.06F TC 10 AURORA MOCLDY 47 35 63 S10 30.04F TC 8 JOLIET* PTCLDY 51 33 49 S8 30.07F TC 11 WAUKEGAN MOCLDY 50 31 48 S9 30.03F TC 10 DUPAGE AIRPORT MOCLDY 49 33 54 S12 30.04F TC 9 KANKAKEE* PTCLDY 49 30 47 S10 30.10F TC 10 WHEELING MOCLDY 52 32 46 S14 30.05F TC 11 MORRIS* PTCLDY 47 33 57 S10 30.06F TC 9 LANSING* PTCLDY 46 30 53 S8 30.09F TC 8 NORTHERLY ISL* N/A 50 28 43 S7 N/A TC 10 $$ LMZ740>746-210900- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 45 1015.7F 2/ 4 WAUKEGAN HARBOR 48 47 1017.5F 2/ 3 HARRISON CRIB 51 180/ 19/ 20 N/A NORTHERLY ISL 50 160/ 5/ 10 N/A CALUMET HARBOR 50 180/ 7/ 12 1018.4 BURNS HARBOR 49 170/ 7/ 11 1019.3F MICHIGAN CITY 49 160/ 14/ 16 1018.4F ST. JOSEPH BUOY 48 170/ 12/ 16 1020.0F 1/ 2 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-210900- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY PTCLDY 57 41 55 SW15 30.03F TC 14 MACOMB* CLEAR 48 43 82 S6 30.05F TC 9 PITTSFIELD* PTCLDY 57 42 57 SW8 30.06F TC 14 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-210900- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS BLOOMINGTON CLEAR 47 40 76 S12 30.08F TC 8 DECATUR CLEAR 51 41 68 S9 30.09F TC 11 PEORIA PTCLDY 49 41 74 S5 30.05F TC 9 SPRINGFIELD PTCLDY 52 43 71 S6 30.08S TC 11 TAYLORVILLE NOT AVBL $$ ILZ033-039-045-046-055>057-062-063-210900- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN CLEAR 47 38 71 S10 30.10F TC 8 DANVILLE* PTCLDY 46 33 59 S6 30.13F TC 8 MATTOONCLEAR 50 38 63 S9 30.11F TC 10 PARIS* CLEAR 46 33 59 SE8 30.14F TC 8 $$ ILZ079-100>102-210900- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CAHOKIA* CLEAR 57 44 62 CALM 30.11F TC 14 SPARTA* CLEAR 56 46 69 S9 30.15F TC 13 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210900- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE CLEAR 53 44 71 S7 30.16F TC 12 CAIRO* CLEAR 58 47 66 S6 30.20S TC 14 MARION CLEAR 52 44 72 S6 30.17F TC 11 MT. VERNON CLEAR 52 43 71 S5 30.15F TC 11 SALEM* CLEAR 58 44 59 S8 30.13S TC 14 $$ ILZ067-068-072-073-078-083-087-091-210900- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE CLEAR 49 35 58 S3 30.16F TC 9 FLORA* CLEAR 48 41 76 S7 30.15F TC 9 FAIRFIELD* CLEAR 50 41 70 S6 30.16S TC 10 HARRISBURG* CLEAR 48 44 85 CALM 30.17F TC 9 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$