ASUS43 KLOT 181256 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 800 AM 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. ILZ001-002-007-009-015-016-024-181400- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE RAIN 65 63 93 SE3 29.86R FOG TC 18 $$ ILZ003-004-008-010-011-017-018-181400- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLOUDY 70 66 87 CALM 29.82F TC 21 PERU* CLOUDY 73 66 78 SW6 29.83F TC 23 $$ ILZ005-006-012>014-019>023-181400- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE LGT RAIN 76 63 64 SW10G22 29.84R TC 24 CHICAGO-MIDWAY NOT AVBL AURORA CLOUDY 69 67 93 S8 29.85R TC 21 WAUKEGAN CLOUDY 73 64 73 SW14G20 29.83S TC 23 DUPAGE AIRPORT LGT RAIN 72 64 76 SW12 29.85R TC 22 WHEELING CLOUDY 75 64 68 SW12G18 29.86R TC 24 MORRIS* CLOUDY 73 63 68 S15G22 29.84S TC 23 ROMEOVILLE* PTSUNNY 75 66 73 S17G32 29.86S TC 24 NORTHERLY ISL* N/A 75 61 61 SW13 N/A TC 24 $$ LMZ740>746-181400- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 49 1014.9F 2/ 4 WAUKEGAN HARBOR 66 50 220/ 10/ 16 1011.5R 2/ 3 HARRISON CRIB 74 200/ 22/ 24 N/A NORTHERLY ISL 75 180/ 16/ 20 N/A CALUMET HARBOR 180/ 9/ 18 1011.3 BURNS HARBOR 75 180/ 10/ 12 1012.5S MICHIGAN CITY 75 170/ 14/ 19 1010.2F ST. JOSEPH BUOY 64 190/ 12/ 17 1013.1F 2/ 3 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-181400- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS $$ ILZ028>032-037-038-041>044-048-051>054-059>061-181400- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS PEORIA NOT AVBL SPRINGFIELD CLOUDY 76 67 73 S22G37 29.85S TC 24 TAYLORVILLE CLOUDY 73 66 78 S15G25 29.90R TC 23 $$ ILZ033-039-045-046-055>057-062-063-181400- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS $$ ILZ079-100>102-181400- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON CLOUDY 75 68 78 S15G23 29.90R TC 24 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181400- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE MOSUNNY 79 69 71 S15G28 29.96S HX 81 TC 26 MARION SUNNY 79 70 73 S12 29.97F HX 81 TC 26 $$ ILZ067-068-072-073-078-083-087-091-181400- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$