383
ASUS43 KLOT 010103
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
STERLING* CLOUDY 65 64 97 CALM 29.87S TC 18
SAVANNA* LGT RAIN 65 65 100 S6 29.86S TC 19
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
FREEPORT* CLOUDY 65 64 95 S9 29.89R TC 18
DE KALB* DRIZZLE 62 62 100 S6 29.89S TC 17
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 90 S7 29.87F TC 18
AURORA CLOUDY 63 62 97 CALM 29.89R TC 17
JOLIET* CLOUDY 64 64 100 S3 29.89S TC 18
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
LANSING* CLOUDY 63 60 90 S7 29.90F TC 17
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/ 12/ 13 N/A
NORTHERLY ISL 63 190/ 7/ 15 N/A
CALUMET HARBOR 64 170/ 7/ 9 1012.1
MICHIGAN CITY 64 150/ 12/ 15 1011.7S
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
QUINCY CLOUDY 73 66 78 SE8 29.84S TC 23
MACOMB* MOCLDY 68 66 96 E3 29.87F TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-010200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 67 59 75 SE6 29.90S TC 19
DECATUR MOCLDY 71 58 63 E3 29.89F TC 22
PEORIA MOCLDY 66 65 96 CALM 29.87S TC 19
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
CHAMPAIGN MOCLDY 70 60 70 E7 29.90F TC 21
MATTOON MOCLDY 78 58 49 S7 29.90S TC 26
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
EFFINGHAM* PTCLDY 74 60 62 SE5 29.92S TC 23
MT. VERNON PTCLDY 74 59 59 CALM 29.91S TC 23
CENTRALIA* CLEAR 78 58 49 S7 29.90S TC 26
SALEM* PTCLDY 82 59 46 MISG 29.90S HAZE HX 82
ILZ067-068-072-073-078-083-087-091-010200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 72 59 63 S7 29.93R TC 22
FAIRFIELD* PTCLDY 79 55 44 S3 29.92S TC 26
HARRISBURG* PTCLDY 74 58 56 SE6 29.92S TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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