903
ASUS43 KLOT 010057
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM 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.
ILZ001-002-007-009-015-016-024-010200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 65 64 97 CALM 29.86S TC 18
ILZ003-004-008-010-011-017-018-010200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 64 63 96 S5 29.88S TC 18
ILZ005-006-012>014-019>023-010200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 64 62 93 CALM 29.88R TC 18
CHICAGO-MIDWAY CLOUDY 64 61 88 S7 29.88S TC 18
AURORA CLOUDY 63 62 97 CALM 29.89R TC 17
WAUKEGAN CLOUDY 64 64 100 SW10 29.86S TC 18
DUPAGE AIRPORT LGT RAIN 63 62 97 CALM 29.89S TC 17
WHEELING LGT RAIN 65 63 93 SW8 29.89S TC 18
NORTHERLY ISL* N/A 64 59 83 SW7 N/A TC 18
LMZ740>746-010200-
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 64 160/ 10/ 14 1012.3F 2/ 4
WAUKEGAN HARBOR 65 64 210/ 8/ 12 1012.4R 1/ 4
WILMETTE BUOY 65 200/ 6/ 10 1013.9R 1/ 3
CHICAGO BUOY 65 64 210/ 8/ 16 1010.9F 1/ 3
HARRISON CRIB 65 190/ 14/ 16 N/A
NORTHERLY ISL 63 190/ 7/ 15 N/A
CALUMET HARBOR 160/ 7/ 11 1012.2
MICHIGAN CITY 64 160/ 12/ 14 1011.6F
MICH CITY BUOY 63 63 170/ 14/ 16 N/A 1/ 3
ST. JOSEPH BUOY 63 60 190/ 12/ 16 1013.6R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-010200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-010200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD MOCLDY 71 62 73 E3 29.86S TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-010200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-010200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 79 59 50 SE8 29.87S HX 80 TC 26
CAHOKIA* PTCLDY 82 61 48 S6 29.85S HX 83 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-010200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 77 61 57 SE6 29.89F TC 25
ILZ067-068-072-073-078-083-087-091-010200-
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
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