ASUS43 KLOT 190056 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 800 PM CDT MON MAY 18 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. ILZ001-002-007-009-015-016-024-190200- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE CLOUDY 70 64 81 SE3 29.81F TC 21 $$ ILZ003-004-008-010-011-017-018-190200- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLOUDY 74 60 61 S10 29.87R TC 23 PERU* CLOUDY 72 64 78 SE8 29.88F TC 22 $$ ILZ005-006-012>014-019>023-190200- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE CLOUDY 72 63 73 S12G22 29.87R TC 22 CHICAGO-MIDWAY NOT AVBL AURORA CLOUDY 70 65 84 S8 29.89R TC 21 WAUKEGAN MOCLDY 73 64 73 SW14G25 29.85R TC 23 DUPAGE AIRPORT CLOUDY 70 65 84 S12 29.89R TC 21 WHEELING CLOUDY 73 64 73 SW10G21 29.88R TC 23 MORRIS* CLOUDY 70 64 83 S12 29.91R TC 21 ROMEOVILLE* CLEAR 70 66 88 S12 29.90R TC 21 NORTHERLY ISL* N/A 71 61 70 S10 N/A TC 22 $$ LMZ740>746-190200- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 49 1013.9F 1/ 3 WAUKEGAN HARBOR 66 53 210/ 10/ 14 1011.6R 1/ 3 WILMETTE BUOY 64 210/ 10/ 14 1012.7R 1/ 3 CHICAGO BUOY 65 55 210/ 12/ 17 1010.4R 2/ 3 HARRISON CRIB 69 200/ 14/ 18 N/A NORTHERLY ISL 72 190/ 15/ 22 N/A CALUMET HARBOR 180/ 12/ 18 1011.9 BURNS HARBOR 69 200/ 9/ 13 1013.2R MICHIGAN CITY 71 180/ 13/ 15 1010.6S ST. JOSEPH BUOY 62 190/ 10/ 14 1013.0R 2/ 4 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-190200- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS $$ ILZ028>032-037-038-041>044-048-051>054-059>061-190200- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS PEORIA NOT AVBL SPRINGFIELD MOCLDY 67 61 81 S10 29.92R TC 19 TAYLORVILLE CLOUDY 64 63 94 S23G37 29.86F TC 18 $$ ILZ033-039-045-046-055>057-062-063-190200- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS $$ ILZ079-100>102-190200- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON PTCLDY 68 63 83 W8 29.93R TC 20 CAHOKIA* MOCLDY 68 63 83 SW3 29.92F TC 20 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190200- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE NOT AVBL MARION CLOUDY 68 64 88 E9 30.06R TC 20 $$ ILZ067-068-072-073-078-083-087-091-190200- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$