ASUS43 KLOT 180906 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 400 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. ILZ001-002-007-009-015-016-024-181000- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE CLOUDY 70 64 81 W16G32 29.76R THUNDER TC 21 STERLING* MOCLDY 74 64 71 S10 29.77F TC 23 SAVANNA* TSTM 71 64 78 W9 29.77R TC 22 $$ ILZ003-004-008-010-011-017-018-181000- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLOUDY 73 62 68 S14G25 29.78F TC 23 FREEPORT* MOCLDY 73 66 80 S16G22 29.77F TC 23 ROCHELLE* MOCLDY 72 59 64 S18G25 29.79F TC 22 DE KALB* MOCLDY 70 61 74 S15G21 29.82F TC 21 PERU* PTCLDY 73 63 68 S16 29.81F TC 23 $$ ILZ005-006-012>014-019>023-181000- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE MOCLDY 74 57 55 S12G28 29.82F TC 23 CHICAGO-MIDWAY PTCLDY 75 58 55 S20G28 29.83F TC 24 AURORA MOCLDY 71 59 65 S10 29.81F TC 22 JOLIET* MOCLDY 75 59 57 S13G18 29.85F TC 24 WAUKEGAN PTCLDY 75 60 59 S20G28 29.79F TC 24 DUPAGE AIRPORT PTCLDY 72 59 63 S16G25 29.82F TC 22 KANKAKEE* CLEAR 71 58 64 S8 29.89S TC 21 WHEELING PTCLDY 75 59 57 S16G26 29.82F TC 24 MORRIS* CLOUDY 72 57 60 S10 29.83F TC 22 ROMEOVILLE* MOCLDY 73 59 60 S16 29.86S TC 23 LANSING* CLEAR 71 58 61 S13G20 29.88S TC 22 NORTHERLY ISL* N/A 75 56 51 S14 N/A TC 24 $$ LMZ740>746-181000- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 49 1015.6 2/ 3 WAUKEGAN HARBOR 61 51 150/ 8/ 12 1010.2 2/ 3 HARRISON CRIB 76 210/ 26/ 30 N/A NORTHERLY ISL 76 190/ 17/ 19 N/A CALUMET HARBOR 75 170/ 12/ 15 1011.1 BURNS HARBOR 73 180/ 8/ 11 1012.2F MICHIGAN CITY 73 160/ 15/ 19 1010.2F ST. JOSEPH BUOY 65 180/ 12/ 16 1012.8F 2/ 3 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-181000- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY CLOUDY 75 67 76 S10 29.80R TC 24 GALESBURG* LGT RAIN 72 64 76 S10G16 29.79F TC 22 MACOMB* CLOUDY 76 68 77 S15 29.82F TC 24 JACKSONVILLE* CLOUDY 73 65 74 S12G17 29.83S TC 23 PITTSFIELD* MOCLDY 76 67 74 S14G21 29.83S TC 24 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-181000- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS PONTIAC CLEAR 73 60 64 MISG 29.86S TC 23 BLOOMINGTON CLEAR 71 61 70 S20 29.87S TC 22 DECATUR N/A N/A N/A N/A MISG 29.89F PEORIA PTCLDY 74 63 68 S15 29.82S TC 23 LACON* MOCLDY 75 62 63 S14G24 29.80F TC 24 LINCOLN* CLEAR 74 63 68 S15G22 29.86S TC 23 SPRINGFIELD CLEAR 74 62 66 S18G28 29.85S TC 23 TAYLORVILLE CLEAR 72 63 73 S15G24 29.88F TC 22 $$ ILZ033-039-045-046-055>057-062-063-181000- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN CLEAR 71 60 68 S20G29 29.91F TC 22 DANVILLE* CLEAR 73 59 62 S16G23 29.93F TC 23 RANTOUL* CLEAR 71 59 64 S17G23 29.91S TC 22 MATTOON PTCLDY 72 60 66 S12 29.93F TC 22 PARIS* MOCLDY 69 59 69 S12 29.96F TC 21 $$ ILZ079-100>102-181000- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON CLEAR 75 65 71 S13 29.89S TC 24 BELLEVILLE PTCLDY 74 67 78 S8 29.89S TC 24 CAHOKIA* PTCLDY 75 66 73 S8 29.88S TC 24 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181000- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE CLEAR 76 64 66 S12 29.94S TC 24 CAIRO* PTCLDY 78 65 64 S12G21 29.98S HX 80 TC 26 EFFINGHAM* CLEAR 72 60 67 SE8 29.96F TC 22 MARION CLEAR 74 60 62 S9 29.97S TC 23 MT. VERNON CLEAR 72 61 68 S7 29.95F TC 22 CENTRALIA* CLEAR 74 62 66 S10 29.93F TC 23 SALEM* PTCLDY 73 62 67 SE6 29.94S TC 23 METROPOLIS* CLEAR 76 63 62 S8 29.99R TC 25 $$ ILZ067-068-072-073-078-083-087-091-181000- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE CLOUDY 68 63 84 S7 29.98S TC 20 FLORA* CLEAR 70 61 73 S9 29.96F TC 21 FAIRFIELD* PTCLDY 72 59 64 S7 29.97S TC 22 HARRISBURG* PTCLDY 75 62 63 S8 29.98R TC 24 ROBINSON* MOCLDY 70 63 78 S9 29.97S TC 21 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$