ASUS43 KLOT 180401 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 1100 PM CDT SUN MAY 17 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. ILZ001-002-007-009-015-016-024-180500- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE CLEAR 77 64 64 S12 29.77R TC 25 STERLING* CLEAR 76 64 66 SE5 29.81R TC 24 SAVANNA* PTCLDY 76 63 63 S7 29.79R TC 25 $$ ILZ003-004-008-010-011-017-018-180500- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD MOCLDY 77 64 64 S10 29.83R TC 25 FREEPORT* MOCLDY 74 67 79 S6 29.82R TC 23 DE KALB* PTCLDY 74 64 71 S16 29.84R TC 23 PERU* CLEAR 77 63 61 S14G21 29.81R TC 25 $$ ILZ005-006-012>014-019>023-180500- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE PTCLDY 78 61 55 S13G26 29.82R HX 80 TC 26 CHICAGO-MIDWAY PTCLDY 78 61 55 S15G28 29.83S HX 80 TC 26 AURORA CLEAR 77 62 59 S16G26 29.83R TC 25 JOLIET* MOCLDY 79 63 57 S12G21 29.85R HX 80 TC 26 WAUKEGAN PTCLDY 57 53 86 E3 29.83R TC 14 DUPAGE AIRPORT PTCLDY 78 62 57 S21G31 29.82R HX 80 TC 26 KANKAKEE* MOCLDY 75 57 53 S14G21 29.89R TC 24 WHEELING PTCLDY 78 61 55 S16G25 29.83R HX 80 TC 26 MORRIS* PTCLDY 77 63 61 S17G23 29.83R TC 25 LANSING* PTCLDY 74 58 58 S13 29.87S TC 23 NORTHERLY ISL* N/A 78 58 49 S14 N/A TC 26 $$ LMZ740>746-180500- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 47 1006.9R 1/ 4 WAUKEGAN HARBOR 52 51 340/ 8/ 10 1011.0R 2/ 4 HARRISON CRIB 74 180/ 24/ 26 N/A NORTHERLY ISL 78 180/ 12/ 22 N/A CALUMET HARBOR 78 160/ 15/ 21 1010.6F BURNS HARBOR 77 180/ 8/ 12 1011.9S MICHIGAN CITY 77 170/ 13/ 16 1009.8F ST. JOSEPH BUOY 63 160/ 8/ 10 1012.7F 2/ 4 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-180500- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY CLEAR 76 65 68 S10G18 29.80R TC 24 GALESBURG* CLEAR 76 63 64 S10G17 29.81R TC 24 MACOMB* CLEAR 77 66 68 S15G21 29.82R TC 25 JACKSONVILLE* CLEAR 77 64 65 S12G18 29.82R TC 25 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-180500- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS BLOOMINGTON CLEAR 74 63 68 S22 29.86S TC 23 DECATUR N/A N/A N/A N/A MISG 29.88S PEORIA CLEAR 77 63 61 S13 29.82R TC 25 SPRINGFIELD CLEAR 75 64 68 S14 29.84R TC 24 TAYLORVILLE CLEAR 73 63 68 S13 29.87R TC 23 $$ ILZ033-039-045-046-055>057-062-063-180500- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGNCLEAR 71 58 63 S13 29.90S TC 22 DANVILLE* CLEAR 73 58 60 S13 29.93S TC 23 MATTOON CLEAR 73 57 57 S10 29.90F TC 23 PARIS* CLEAR 72 57 60 S12 29.94S TC 22 $$ ILZ079-100>102-180500- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON CLEAR 77 64 63 SE10G16 29.87R TC 25 BELLEVILLE CLEAR 76 65 68 S13 29.86S TC 24 CAHOKIA* CLEAR 77 64 64 S8 29.86S TC 25 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180500- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE CLEAR 76 58 53 S12 29.93S TC 24 CAIRO* CLEAR 78 60 54 S9 29.96S TC 26 EFFINGHAM* CLEAR 73 58 58 SE9 29.93F TC 23 MARION CLEAR 76 56 50 S9 29.95F TC 24 MT. VERNON CLEAR 77 58 51 S12 29.93F TC 25 CENTRALIA* CLEAR 76 57 52 S12G17 29.91F TC 25 SALEM* CLEAR 77 59 53 S10 29.91F TC 25 $$ ILZ067-068-072-073-078-083-087-091-180500- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE CLEAR 70 62 76 S9 29.96S TC 21 FLORA* CLEAR 72 61 68 S9 29.93F TC 22 FAIRFIELD* CLEAR 75 60 58 S9 29.94F TC 24 HARRISBURG* CLEAR 69 61 76 S6 29.96F TC 21 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$