473
ASUS43 KLOT 301558
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-301700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE RAIN 63 61 93 S8 29.88F FOG TC 17
ILZ003-004-008-010-011-017-018-301700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 64 62 93 S14 29.90S TC 18
ILZ005-006-012>014-019>023-301700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 62 61 96 S12 29.93F FOG TC 17
CHICAGO-MIDWAY NOT AVBL
AURORA RAIN 62 62 100 S9 29.93F FOG TC 17
WAUKEGAN CLOUDY 62 61 96 S12 29.90F FOG TC 17
DUPAGE AIRPORT LGT RAIN 62 61 96 S13 29.93F FOG TC 17
WHEELING LGT RAIN 63 62 97 S15G22 29.93F TC 17
NORTHERLY ISL* N/A 61 59 93 S8 N/A TC 16
LMZ740>746-301700-
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 63 65 130/ 19/ 21 1011.2R 2/ 3
WAUKEGAN HARBOR 63 65 160/ 14/ 19 1013.4F 2/ 3
WILMETTE BUOY 63 150/ 14/ 17 1015.6F 1/ 3
CHICAGO BUOY 63 64 200/ 10/ 16 1013.3F 1/ 2
HARRISON CRIB 62 190/ 20/ 23 N/A
NORTHERLY ISL 61 200/ 8/ 9 N/A
CALUMET HARBOR 180/ 7/ 12 1014.9
MICHIGAN CITY 63 140/ 9/ 11 1014.2F
MICH CITY BUOY 62 63 160/ 10/ 14 N/A 1
ST. JOSEPH BUOY 63 62 190/ 8/ 10 1016.4S 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-301700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-301700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 69 58 67 E3 29.93S TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-301700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 71 53 52 CALM 29.98S TC 22
ILZ079-100>102-301700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 79 54 41 S8 29.95S TC 26
CAHOKIA* MOSUNNY 84 55 36 SW9 29.93F HX 83 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-301700-
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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