ASUS43 KLOT 221401 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 900 AM CDT SAT AUG 22 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. ILZ001-002-007-009-015-016-024-221500- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE SUNNY 71 64 78 W10 30.03R TC 22 STERLING* SUNNY 71 66 84 W8 30.01R TC 22 SAVANNA* SUNNY 69 63 81 NW6 30.01R TC 21 $$ ILZ003-004-008-010-011-017-018-221500- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD SUNNY 69 63 81 NW7 29.99S TC 21 FREEPORT* SUNNY 69 67 92 W5 30.01R TC 21 $$ ILZ005-006-012>014-019>023-221500- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE MOSUNNY 70 58 65 N10 29.94R TC 21 CHICAGO-MIDWAY MOSUNNY 71 58 63 N15G21 29.94S TC 22 AURORA SUNNY 69 62 78 NW10 29.97R TC 21 JOLIET* SUNNY 71 62 72 N8 29.96R TC 22 WAUKEGAN NOT AVBL DUPAGE AIRPORT SUNNY 68 61 77 NW9 29.97S TC 20 WHEELING MOSUNNY 70 60 70 N10G17 29.96S TC 21 LANSING* MOSUNNY 70 63 77 NW9 29.94S TC 21 NORTHERLY ISL* N/A 71 59 65 NW10 N/A TC 22 $$ LMZ740>746-221500- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 69 73 320/ 12/ 16 1013.9R 2/ 4 WAUKEGAN HARBOR 69 73 320/ 12/ 16 1014.5R 2/ 4 WILMETTE BUOY 69 360/ 16/ 19 1016.3R 2/ 4 CHICAGO BUOY 70 73 1012.7R 2/ 4 NORTHERLY ISL 69 300/ 8/ 13 N/A CALUMET HARBOR 70 300/ 5/ 7 1013.7 MICH CITY BUOY 72 74 340/ 16/ 17 N/A 3/ 4 ST. JOSEPH BUOY 72 73 330/ 14/ 17 1013.6S 3/ 4 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-221500- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY SUNNY 72 65 78 NW8 30.06S TC 22 MACOMB* SUNNY 71 68 92 NW8 30.08R TC 22 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-221500- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS BLOOMINGTON SUNNY 70 66 87 NW13 30.02R TC 21 DECATUR SUNNY 71 64 78 N9 30.01R TC 22 PEORIA NOT AVBL LINCOLN* SUNNY 71 70 96 NW3 30.02R TC 22 SPRINGFIELD SUNNY 71 66 84 NW7 30.02R TC 22 TAYLORVILLE NOT AVBL $$ ILZ033-039-045-046-055>057-062-063-221500- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN SUNNY 69 66 90 NW10 29.99R TC 21 MATTOON SUNNY 71 66 84 NW9 29.99R TC 22 $$ ILZ079-100>102-221500- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON MOSUNNY 73 66 78 N13 30.02R TC 23 CAHOKIA* SUNNY 78 70 76 N13 30.01R HX 80 TC 26 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-221500- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE MOSUNNY 77 70 78 W5 30.00R TC 25 MARION SUNNY 77 70 78 CALM 29.99F TC 25 MT. VERNON SUNNY 76 70 82 VRB5 30.00R TC 24 CENTRALIA* SUNNY 76 70 84 NW3G9 30.00R TC 24 SALEM* SUNNY 74 70 86 MISG 30.00R TC 23 $$ ILZ067-068-072-073-078-083-087-091-221500- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE MOSUNNY 74 66 76 NW6 29.98R TC 23 FAIRFIELD* SUNNY 75 68 77 W3 29.98S TC 24 HARRISBURG* SUNNY 78 71 81 W6 30.00R HX 80 TC 25 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$