ASUS43 KLOT 181006 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 500 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. ILZ001-002-007-009-015-016-024-181100- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE TSTM 64 62 93 CALM 29.81R FOG TC 18 STERLING* CLOUDY 74 64 71 VRB7 29.78R TC 23 SAVANNA* LGT RAIN 65 63 92 NE8 29.81R TC 18 $$ ILZ003-004-008-010-011-017-018-181100- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLOUDY 73 62 68 S13 29.79R TC 23 FREEPORT* CLOUDY 69 67 93 NW12 29.82R TC 21 ROCHELLE* PTCLDY 72 60 66 S17 29.80R TC 22 DE KALB* PTCLDY 70 62 75 S18 29.82R TC 21 PERU* MOCLDY 73 63 68 S15 29.82R TC 23 $$ ILZ005-006-012>014-019>023-181100- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE MOCLDY 75 59 57 S16G29 29.81F TC 24 CHICAGO-MIDWAY PTCLDY 74 59 59 S20G29 29.83S TC 23 AURORA PTCLDY 70 59 68 S13 29.82R TC 21 JOLIET* MOCLDY 75 61 60 S17G23 29.84S TC 24 WAUKEGAN PTCLDY 74 60 61 S15G25 29.79S TC 23 DUPAGE AIRPORT CLOUDY 72 59 63 S16G26 29.82S TC 22 KANKAKEE* CLEAR 72 59 64 S12G17 29.89F TC 22 WHEELING MOCLDY 75 59 57 S15G28 29.82S TC 24 MORRIS* PTCLDY 72 61 68 S13G18 29.83R TC 22 ROMEOVILLE* CLOUDY 73 61 64 S22 29.85S TC 23 LANSING* PTCLDY 72 58 61 S15G23 29.87F TC 22 NORTHERLY ISL* N/A 75 57 53 S22 N/A TC 24 $$ LMZ740>746-181100- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 49 1014.7 2/ 4 WAUKEGAN HARBOR 62 51 170/ 10/ 12 1010.3 1/ 4 HARRISON CRIB 75 200/ 27/ 30 N/A NORTHERLY ISL 75 190/ 15/ 23 N/A CALUMET HARBOR 74 180/ 10/ 18 1010.9F BURNS HARBOR 73 190/ 8/ 12 1012.2S MICHIGAN CITY 73 170/ 14/ 16 1010.2S ST. JOSEPH BUOY 65 190/ 14/ 16 1012.8R 2/ 3 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-181100- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY CLOUDY 75 68 78 S9 29.80S TC 24 GALESBURG* CLOUDY 70 66 86 S8 29.81R TC 21 MACOMB* CLOUDY 76 68 78 S15G22 29.82S TC 24 JACKSONVILLE* MOCLDY 73 66 76 S12G17 29.85R TC 23 PITTSFIELD* CLOUDY 75 67 77 S14 29.84S TC 24 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-181100- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS PONTIAC PTCLDY 73 61 67 MISG 29.86S TC 23 BLOOMINGTON CLOUDY 72 63 73 S22 29.87S TC 22 DECATUR N/A N/A N/A N/A MISG 29.90R PEORIA PTCLDY 73 64 73 S15G26 29.82S TC 23 LACON* MOCLDY 74 62 65 S16 29.80S TC 23 LINCOLN* CLOUDY 74 64 70 S16 29.86S TC 24 SPRINGFIELD CLOUDY 73 63 70 S20 29.86R TC 23 TAYLORVILLE CLEAR 72 63 73 S15 29.89R TC 22 $$ ILZ033-039-045-046-055>057-062-063-181100- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN CLEAR 70 60 70 S21 29.91S TC 21 DANVILLE* PTCLDY 73 60 62 S17G24 29.93S TC 23 RANTOUL* CLEAR 71 60 67 S17G24 29.91R TC 22 MATTOON CLEAR 72 60 66 S13G23 29.93S TC 22 PARIS* CLOUDY 69 59 70 S13 29.96R TC 21 $$ ILZ079-100>102-181100- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON PTCLDY 75 66 73 S13 29.88S TC 24 CAHOKIA* PTCLDY 76 67 73 S9 29.87F TC 24 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181100- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE PTCLDY 76 65 68 S14 29.95R TC 24 CAIRO* PTCLDY 78 67 68 S10G16 29.98S HX 80 TC 26 EFFINGHAM* CLEAR 70 61 73 SE9 29.96S TC 21 MARION PTCLDY 74 62 67 S12 29.97S TC 23 MT. VERNON CLEAR 74 62 66 S10 29.96R TC 23 CENTRALIA* CLEAR 73 63 69 S9 29.94R TC 23 SALEM* CLEAR 72 63 72 SE5 29.94S TC 22 METROPOLIS* PTCLDY 75 63 66 S8 29.99S TC 24 $$ ILZ067-068-072-073-078-083-087-091-181100- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE MOCLDY 69 63 81 S8 29.98S TC 21 FLORA* CLEAR 70 61 73 S10 29.97R TC 21 FAIRFIELD* CLEAR 71 60 66 S7 29.97S TC 22 HARRISBURG* PTCLDY 75 64 66 S8 29.98S TC 24 ROBINSON* MOCLDY 72 63 73 S9 29.96F TC 22 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$