680
ASUS43 KLOT 301656
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-301800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE RAIN 64 62 93 S9 29.87F FOG TC 18
STERLING* CLOUDY 63 63 100 VRB3 29.91F TC 17
ILZ003-004-008-010-011-017-018-301800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD DRIZZLE 64 62 93 S15 29.90S FOG TC 18
ILZ005-006-012>014-019>023-301800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 62 60 93 S13G20 29.91F FOG TC 17
CHICAGO-MIDWAY NOT AVBL
AURORA LGT RAIN 62 61 96 S7 29.92F FOG TC 17
WAUKEGAN CLOUDY 63 62 97 SW10G20 29.89F TC 17
DUPAGE AIRPORT RAIN 62 61 96 S12 29.92F FOG TC 17
WHEELING LGT RAIN 63 62 97 S16 29.90F FOG TC 17
NORTHERLY ISL* N/A 61 59 93 S12 N/A TC 16
LMZ740>746-301800-
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 64 65 140/ 16/ 19 1011.9R 3/ 4
WAUKEGAN HARBOR 64 65 190/ 12/ 16 1013.0F 2/ 3
WILMETTE BUOY 63 160/ 14/ 19 1015.0F 2/ 3
CHICAGO BUOY 63 64 200/ 14/ 17 1012.6F 1/ 3
HARRISON CRIB 63 190/ 19/ 21 N/A
NORTHERLY ISL 61 210/ 7/ 12 N/A
CALUMET HARBOR 170/ 11/ 13 1014.4
MICHIGAN CITY 62 160/ 7/ 8 1013.8F
MICH CITY BUOY 62 63 170/ 8/ 10 N/A 1
ST. JOSEPH BUOY 63 62 160/ 6/ 10 1015.7F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-301800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-301800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 71 58 63 NE3 29.92F TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-301800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-301800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 84 55 37 SW12 29.94F HX 83 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 84 55 37 SW12G21 29.97F HX 83 TC 29
ILZ067-068-072-073-078-083-087-091-301800-
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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