851
ASUS43 KLOT 300556
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT WED SEP 30 2026
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-300700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 69 55 60 S5 29.87S TC 21
6HR MIN TEMP: 69; 6HR MAX TEMP: 74; 6HR PCP: TRACE;
ILZ003-004-008-010-011-017-018-300700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 69 49 48 S7 29.90F TC 21
6HR MIN TEMP: 68; 6HR MAX TEMP: 72;
ILZ005-006-012>014-019>023-300700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 70 50 49 S10 29.91S TC 21
6HR MIN TEMP: 68; 6HR MAX TEMP: 74;
CHICAGO-MIDWAY NOT AVBL
AURORA MOCLDY 64 50 60 S3 29.91F TC 18
6HR MIN TEMP: 64; 6HR MAX TEMP: 71;
WAUKEGAN CLOUDY 68 51 54 S12 29.90S TC 20
6HR MIN TEMP: 65; 6HR MAX TEMP: 68;
DUPAGE AIRPORT CLOUDY 67 51 56 S9 29.92F TC 19
6HR MIN TEMP: 64; 6HR MAX TEMP: 69;
WHEELING CLOUDY 69 50 50 S9 29.92F TC 21
6HR MIN TEMP: 64; 6HR MAX TEMP: 70;
NORTHERLY ISL* N/A 70 49 47 S10 N/A TC 21
LMZ740>746-300700-
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 67 65 160/ 10/ 12 1012.7S 1/ 3
WAUKEGAN HARBOR 68 65 180/ 10/ 14 1013.3F 1/ 3
WILMETTE BUOY 70 160/ 14/ 17 1015.3F 1/ 3
CHICAGO BUOY 70 64 210/ 12/ 16 1012.2F 1/ 2
HARRISON CRIB 71 200/ 17/ 18 N/A
NORTHERLY ISL 70 190/ 11/ 11 N/A
CALUMET HARBOR 180/ 6/ 9 1013.8
MICHIGAN CITY 68 170/ 12/ 15 1012.9S
MICH CITY BUOY 65 63 180/ 10/ 14 N/A 1
ST. JOSEPH BUOY 66 62 170/ 10/ 12 1014.8F 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-300700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-300700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 70 49 47 S8 29.92F TC 21
6HR MIN TEMP: 66; 6HR MAX TEMP: 71;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-300700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-300700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-300700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-300700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page