ASUS43 KLOT 182156 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 500 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. ILZ001-002-007-009-015-016-024-182300- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE PTSUNNY 73 63 70 SW6 29.82F TC 23 $$ ILZ003-004-008-010-011-017-018-182300- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLOUDY 79 61 53 SW14G22 29.84R HX 80 TC 26 PERU* CLOUDY 73 64 73 SW8 29.87S TC 23 $$ ILZ005-006-012>014-019>023-182300- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE CLOUDY 77 64 64 SW13G25 29.85R TC 25 CHICAGO-MIDWAY NOT AVBL AURORA CLOUDY 76 65 68 S13G21 29.87R TC 24 WAUKEGAN PTSUNNY 80 64 58 SW17G30 29.81R HX 82 TC 27 DUPAGE AIRPORT PTSUNNY 75 63 66 SW21G28 29.86R TC 24 WHEELING CLOUDY 78 64 61 SW16G25 29.85R HX 80 TC 26 MORRIS* CLOUDY 73 64 73 SW16 29.89R TC 23 NORTHERLY ISL* N/A 75 60 59 S16 N/A TC 24 $$ LMZ740>746-182300- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 50 1025.1R 2/ 3 WAUKEGAN HARBOR 70 53 210/ 14/ 21 1010.8R 2/ 3 WILMETTE BUOY 69 220/ 16/ 21 1012.2R 1/ 2 CHICAGO BUOY 68 55 220/ 16/ 19 1010.1R 1/ 3 HARRISON CRIB 75 210/ 25/ 27 N/A NORTHERLY ISL 76 200/ 16/ 17 N/A CALUMET HARBOR 200/ 14/ 18 1011.4 BURNS HARBOR 74 210/ 12/ 17 1012.2R MICHIGAN CITY 75 190/ 17/ 21 1010.1F ST. JOSEPH BUOY 64 200/ 12/ 14 1012.4R 2/ 4 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-182300- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS $$ ILZ028>032-037-038-041>044-048-051>054-059>061-182300- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS BLOOMINGTON LGT RAIN 66 64 94 SW12 29.92F TC 19 PEORIA NOT AVBL SPRINGFIELD PTSUNNY 67 63 87 S16G29 29.91F TC 19 TAYLORVILLE CLOUDY 64 63 94 S16 29.98R TC 18 $$ ILZ033-039-045-046-055>057-062-063-182300- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS $$ ILZ079-100>102-182300- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON TSTM 66 63 88 S7 30.00F TC 19 BELLEVILLE PTSUNNY 70 68 94 NE8 30.01S THUNDER TC 21 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182300- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE NOT AVBL MARION PTSUNNY 73 66 78 N21 30.04R TC 23 $$ ILZ067-068-072-073-078-083-087-091-182300- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$