ASUS43 KLOT 190256 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 1000 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. ILZ001-002-007-009-015-016-024-190400- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE CLOUDY 69 63 81 S9 29.86R TC 21 $$ ILZ003-004-008-010-011-017-018-190400- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLOUDY 69 63 81 S8 29.88R TC 21 PERU* PTCLDY 68 63 83 S12 29.90S TC 20 $$ ILZ005-006-012>014-019>023-190400- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE CLOUDY 68 63 84 S10G22 29.89S TC 20 CHICAGO-MIDWAY NOT AVBL AURORA MOCLDY 67 64 90 S13 29.88S TC 19 WAUKEGAN MOCLDY 70 64 81 SW13G23 29.85S TC 21 DUPAGE AIRPORT MOCLDY 67 63 87 S10 29.89R TC 19 WHEELING MOCLDY 69 64 84 S12 29.89S TC 21 MORRIS* MOCLDY 66 63 88 S7 29.90S TC 19 NORTHERLY ISL* N/A 68 62 81 S10 N/A TC 20 $$ LMZ740>746-190400- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 49 1010.0F 1/ 3 WAUKEGAN HARBOR 62 55 180/ 10/ 12 1012.2R 1/ 3 WILMETTE BUOY 64 190/ 12/ 16 1013.6R 1/ 3 CHICAGO BUOY 63 55 190/ 10/ 12 1011.8R 1/ 3 HARRISON CRIB 68 190/ 19/ 21 N/A NORTHERLY ISL 69 190/ 10/ 17 N/A CALUMET HARBOR 68 170/ 13/ 18 1013.2 BURNS HARBOR 68 190/ 9/ 13 1014.2R MICHIGAN CITY 69 180/ 16/ 20 1012.4R ST. JOSEPH BUOY 61 190/ 10/ 14 1014.4R 2/ 4 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-190400- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS $$ ILZ028>032-037-038-041>044-048-051>054-059>061-190400- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS PEORIA NOT AVBL SPRINGFIELD PTCLDY 65 60 84 S9 29.91R TC 18 TAYLORVILLE MOCLDY 64 61 88 S5 29.93R TC 18 $$ ILZ033-039-045-046-055>057-062-063-190400- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS $$ ILZ079-100>102-190400- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CAHOKIA* CLEAR 66 62 87 SE12 29.96R TC 19 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190400- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE NOT AVBL MARION PTCLDY 66 64 94 SE14 30.03F TC 19 $$ ILZ067-068-072-073-078-083-087-091-190400- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$