974
ASUS43 KLOT 300101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT TUE SEP 29 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.
ILZ001-002-007-009-015-016-024-300200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 71 55 56 SE7 29.86F TC 22
STERLING* CLOUDY 71 51 49 SE5 29.90F TC 22
SAVANNA* MOCLDY 70 56 59 SE6 29.87F TC 21
ILZ003-004-008-010-011-017-018-300200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 70 47 43 S6 29.91F TC 21
FREEPORT* MOCLDY 69 53 55 S9 29.91F TC 21
DE KALB* MOCLDY 65 51 61 S7 29.93F TC 18
ILZ005-006-012>014-019>023-300200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 70 54 56 SE3 29.92S TC 21
CHICAGO-MIDWAY CLOUDY 69 58 67 SE7 29.93S TC 21
AURORA MOCLDY 65 55 70 S3 29.93S TC 18
JOLIET* MOCLDY 63 57 80 CALM 29.94R TC 17
WAUKEGAN CLOUDY 67 58 72 S7 29.92S TC 19
DUPAGE AIRPORT CLOUDY 65 55 70 CALM 29.93S TC 18
WHEELING MOCLDY 67 57 70 SE3 29.94S TC 19
LANSING* CLEAR 63 51 65 S5 29.95R TC 17
NORTHERLY ISL* N/A 64 60 87 CALM N/A TC 18
LMZ740>746-300200-
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 66 65 160/ 6/ 8 1011.9R 1/ 3
WAUKEGAN HARBOR 66 66 190/ 4/ 6 1014.0S 1/ 3
WILMETTE BUOY 67 120/ 8/ 12 1015.5F 1
CHICAGO BUOY 67 64 200/ 4/ 6 1012.7R 1/ 2
HARRISON CRIB 67 190/ 6/ 8 N/A
NORTHERLY ISL 65 CALM / 3 N/A
CALUMET HARBOR 68 100/ 5/ 7 1013.8
MICHIGAN CITY 69 140/ 7/ 8 1012.8F
MICH CITY BUOY 65 64 100/ 4/ 6 N/A 0
ST. JOSEPH BUOY 67 64 130/ 4/ 4 1014.8F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-300200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 73 53 49 SE9 29.89S TC 23
MACOMB* PTCLDY 68 56 66 S6 29.92S TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-300200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 65 50 58 S8 29.96S TC 18
DECATUR PTCLDY 68 50 52 S6 29.96R TC 20
PEORIA PTCLDY 70 50 49 S7 29.92R TC 21
SPRINGFIELD PTCLDY 67 51 56 S6 29.93S TC 19
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-300200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 66 49 54 S7 29.97R TC 19
MATTOON PTCLDY 68 52 56 SE3 29.96S TC 20
ILZ079-100>102-300200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 68 54 60 SE5 29.93S TC 20
CAHOKIA* MOCLDY 72 52 49 S5 29.92R TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-300200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* PTCLDY 64 59 85 CALM 29.98S TC 18
MT. VERNON PTCLDY 60 54 80 CALM 29.96S TC 16
CENTRALIA* PTCLDY 65 51 61 SE3 29.95S TC 18
SALEM* PTCLDY 66 52 60 MISG 29.96R TC 19
ILZ067-068-072-073-078-083-087-091-300200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 68 53 58 CALM 29.98S TC 20
FAIRFIELD* PTCLDY 72 49 44 CALM 29.96S HAZE TC 22
HARRISBURG* N/A 68 52 56 CALM 29.97R HAZE TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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