ASUS43 KLOT 231801 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 100 PM CDT SUN AUG 23 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. ILZ001-002-007-009-015-016-024-231900- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE MOSUNNY 76 54 46 W6 30.10S TC 24 6HR MIN TEMP: 57; 6HR MAX TEMP: 76; STERLING* MOSUNNY 77 53 43 NW10 30.10S TC 25 SAVANNA* SUNNY 75 50 41 N8 30.10F TC 24 $$ ILZ003-004-008-010-011-017-018-231900- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD MOSUNNY 75 50 41 VRB6 30.08S TC 24 6HR MIN TEMP: 57; 6HR MAX TEMP: 75; FREEPORT* MOSUNNY 74 52 46 NW6 30.11S TC 23 DE KALB* MOSUNNY 73 55 52 NW7 30.09S TC 23 $$ ILZ005-006-012>014-019>023-231900- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE MOSUNNY 74 49 41 NW8 30.03S TC 23 6HR MIN TEMP: 62; 6HR MAX TEMP: 75; CHICAGO-MIDWAY MOSUNNY 75 48 38 N13 30.03F TC 24 6HR MIN TEMP: 62; 6HR MAX TEMP: 76; AURORA SUNNY 73 54 51 N8 30.06S TC 23 6HR MIN TEMP: 55; 6HR MAX TEMP: 74; JOLIET* SUNNY 77 51 39 N8 30.06S TC 25 WAUKEGAN NOT AVBL DUPAGE AIRPORT SUNNY 75 54 46 N9 30.06 TC 24 WHEELING PTSUNNY 74 50 42 NW12 30.05F TC 23 6HR MIN TEMP: 61; 6HR MAX TEMP: 75; LANSING* PTSUNNY 72 52 49 N9 30.04S TC 22 NORTHERLY ISL* N/A 74 55 51 N9 N/A TC 23 $$ LMZ740>746-231900- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 71 73 310/ 12/ 19 1019.8F 3/ 5 WAUKEGAN HARBOR 71 73 290/ 12/ 17 1017.3F 2/ 5 WILMETTE BUOY 69 30/ 6/ 10 1019.9F 3/ 5 CHICAGO BUOY 70 73 1016.0F 3/ 5 NORTHERLY ISL 73 20/ 9/ 14 N/A CALUMET HARBOR 72 360/ 10/ 14 1017.1F MICH CITY BUOY 70 74 320/ 12/ 17 N/A 3/ 5 ST. JOSEPH BUOY 70 73 330/ 14/ 17 1017.4S 4/ 5 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-231900- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY MOSUNNY 75 56 51 NW10 30.13S TC 24 GALESBURG* MOSUNNY 75 59 57 NW3 30.13S TC 24 MACOMB* MOSUNNY 75 60 58 NW10 30.13F TC 24 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-231900- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS BLOOMINGTON MOSUNNY 75 60 59 NW10G18 30.09S TC 24 DECATUR SUNNY 78 54 43 NW9 30.08S TC 26 PEORIA NOT AVBL LACON* MOSUNNY 75 56 51 N8 30.08S TC 24 LINCOLN* SUNNY 79 58 49 W7 30.08F HX 80 TC 26 SPRINGFIELD SUNNY 78 55 44 NW12 30.09S TC 26 6HR MIN TEMP: 58; 6HR MAX TEMP: 78; TAYLORVILLE NOT AVBL $$ ILZ033-039-045-046-055>057-062-063-231900- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN SUNNY 76 60 57 NW9G17 30.07R TC 24 MATTOON SUNNY 77 57 50 W9 30.06S TC 25 $$ ILZ079-100>102-231900- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON SUNNY 79 59 50 NW9G20 30.10F HX 80 TC 26 CAHOKIA* MOSUNNY 81 59 47 NW10G18 30.08F HX 81 TC 27 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-231900- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE NOT AVBL CAIRO* MOSUNNY 84 65 53 CALM 30.07F HX 86 TC 29 MT. VERNON SUNNY 81 56 42 W8G16 30.08S HX 81 TC 27 CENTRALIA* SUNNY 81 59 47 N9 30.08F HX 81 TC 27 SALEM* SUNNY 81 61 50 MISG 30.08F HX 82 TC 27 $$ ILZ067-068-072-073-078-083-087-091-231900- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE SUNNY 82 53 36 W10G22 30.05F HX 81 TC 28 FLORA* SUNNY 79 57 47 W9 30.07F HX 80 TC 26 FAIRFIELD* SUNNY 80 55 41 N5 30.06F HX 80 TC 27 HARRISBURG* SUNNY 83 58 43 NW5 30.06F HX 82 TC 28 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$