ASUS43 KLOT 190101 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 STERLING* MOCLDY 73 63 70 CALM 29.85F TC 23 SAVANNA* MOCLDY 72 64 76 S9 29.83F TC 22 $$ ILZ003-004-008-010-011-017-018-190200- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLOUDY 74 60 61 S10 29.87R TC 23 FREEPORT* MOCLDY 73 65 77 S9 29.86F TC 23 DE KALB* CLOUDY 70 65 84 S13 29.90R TC 21 PERU* CLOUDY N/A N/A N/A SE9 29.88S $$ 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 CLOUDY 71 64 78 S13G26 29.89R TC 22 AURORA CLOUDY 70 65 84 S8 29.89R TC 21 JOLIET* CLOUDY 71 66 84 SW10 29.92R TC 22 WAUKEGAN MOCLDY 73 64 73 SW14G25 29.85R TC 23 DUPAGE AIRPORT CLOUDY 70 65 84 S12 29.89R TC 21 KANKAKEE* CLOUDY 68 63 83 S8 29.94R TC 20 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 LANSING* CLOUDY 68 63 83 S16 29.93R TC 20 NORTHERLY ISL* N/A 71 61 70 S10 N/A TC 22 $$ LMZ740>746-190200- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 49 1012.6F 1/ 3 WAUKEGAN HARBOR 66 53 220/ 10/ 14 1011.7R 1/ 3 WILMETTE BUOY 64 210/ 10/ 14 1012.7R 1/ 3 CHICAGO BUOY 65 55 210/ 14/ 17 1010.7R 2/ 3 HARRISON CRIB 70 200/ 14/ 16 N/A NORTHERLY ISL 72 190/ 15/ 22 N/A CALUMET HARBOR 71 200/ 12/ 15 1011.9 BURNS HARBOR 69 200/ 9/ 13 1013.2R MICHIGAN CITY 71 170/ 12/ 15 1010.9R ST. JOSEPH BUOY 61 190/ 10/ 12 1013.0R 2/ 3 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-190200- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY CLOUDY 67 61 81 S13 29.84F TC 19 GALESBURG* MOCLDY 68 63 83 S6 29.87R TC 20 MACOMB* MOCLDY 67 64 90 CALM 29.87F TC 20 JACKSONVILLE* MOCLDY 67 61 82 S14 29.90R TC 19 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-190200- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS BLOOMINGTON CLOUDY 65 64 97 SW8 29.95S TC 18 DECATUR CLOUDY 68 59 73 S23G37 29.83F TC 20 PEORIA NOT AVBL SPRINGFIELD MOCLDY 67 61 81 S10 29.92R TC 19 TAYLORVILLE CLOUDY64 63 94 S23G37 29.86F TC 18 $$ ILZ033-039-045-046-055>057-062-063-190200- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN CLOUDY 66 63 90 SE15G29 29.88F TC 19 DANVILLE* CLOUDY 67 64 89 S12 30.00R TC 20 MATTOON CLOUDY 66 63 90 S13 29.94F TC 19 PARIS* CLOUDY 65 64 97 S17 29.99F TC 19 $$ ILZ079-100>102-190200- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON PTCLDY 68 63 83 W8 29.93R TC 20 BELLEVILLE TSTM 72 66 83 SE22G43 29.87F TC 22 CAHOKIA* MOCLDY 68 63 84 MISG 29.92F TC 20 $$ 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 CAIRO* CLOUDY 72 71 96 E9 30.03R TC 22 EFFINGHAM* LGT RAIN 64 64 100 S5 30.05R TC 18 MARION CLOUDY 68 64 88 E9 30.06R TC 20 MT. VERNON LGT RAIN 66 64 93 SE5 30.04F TC 19 CENTRALIA* CLOUDY 65 65 98 CALM 30.02F TC 19 SALEM* LGT RAIN 67 66 99 CALM 30.02F TC 19 $$ ILZ067-068-072-073-078-083-087-091-190200- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE CLOUDY 68 66 93 SE10 30.06F TC 20 FLORA* MOCLDY 66 66 100 CALM 30.03F TC 19 FAIRFIELD* CLOUDY 67 64 90 E5 30.04F TC 19 HARRISBURG* CLOUDY 66 65 96 SE7 30.09R TC 19 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$