ASUS43 KLOT 181956 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 300 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. ILZ001-002-007-009-015-016-024-182100- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE PTSUNNY 75 63 66 SW15 29.82F TC 24 $$ ILZ003-004-008-010-011-017-018-182100- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLOUDY 79 62 56 SW15G29 29.83S HX 80 TC 26 PERU* CLOUDY 75 64 69 SW13 29.86F TC 24 $$ ILZ005-006-012>014-019>023-182100- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE PTSUNNY 79 63 57 SW18G31 29.83S HX 80 TC 26 CHICAGO-MIDWAY NOT AVBL AURORA CLOUDY 78 66 66 SW13G24 29.85S HX 80 TC 26 WAUKEGAN PTSUNNY 80 63 55 SW24G33 29.81S HX 81 TC 27 DUPAGE AIRPORT PTSUNNY 78 66 66 SW18G25 29.84S HX 80 TC 26 WHEELING PTSUNNY 79 64 60 SW13G23 29.84S HX 81 TC 26 MORRIS* CLOUDY 75 64 69 SW14 29.87F TC 24 ROMEOVILLE* SUNNY 77 66 69 S18G28 29.88R TC 25 NORTHERLY ISL* N/A 79 60 52 S13 N/A HX 80 TC 26 $$ LMZ740>746-182100- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 50 1015.9F 1/ 3 WAUKEGAN HARBOR 58 53 160/ 8/ 10 1010.9S 1/ 3 WILMETTE BUOY 59 170/ 12/ 16 1011.9R 2/ 3 CHICAGO BUOY 63 56 180/ 8/ 12 1009.5S 1/ 3 HARRISON CRIB 72 180/ 13/ 15 N/A NORTHERLY ISL 76 220/ 9/ 12 N/A CALUMET HARBOR 200/ 10/ 16 1011.2 BURNS HARBOR 74 190/ 13/ 16 1011.9S MICHIGAN CITY 75 190/ 19/ 22 1009.8R ST. JOSEPH BUOY 61 180/ 8/ 10 1012.4R 2/ 4 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-182100- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS $$ ILZ028>032-037-038-041>044-048-051>054-059>061-182100- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS PEORIA NOT AVBL SPRINGFIELD LGT RAIN 67 64 90 S21G35 29.91F TC 19 TAYLORVILLE CLOUDY 66 64 94 SW8 29.95F TC 19 $$ ILZ033-039-045-046-055>057-062-063-182100- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS $$ ILZ079-100>102-182100- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON TSTM 66 64 94 N5 30.01F TC 19 CAHOKIA* LGT RAIN 67 65 93 E5 30.01F FOG TC 19 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182100- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE NOT AVBL MARION CLOUDY 77 72 83 SW7 30.00F TC 25 MT. VERNON TSTM 68 66 94 W8G24 30.04R TC 20 $$ ILZ067-068-072-073-078-083-087-091-182100- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE RAIN 69 67 93 N8 30.00F TC 21 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$