045
ASUS43 KLOT 260801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT SAT SEP 26 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.
ILZ001-002-007-009-015-016-024-260900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 59 54 83 E6 30.18F TC 15
STERLING* CLOUDY 52 52 100 E3 30.23S TC 11
SAVANNA* CLOUDY 55 53 94 E5 30.21F TC 13
ILZ003-004-008-010-011-017-018-260900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 52 50 93 CALM 30.25S TC 11
FREEPORT* CLOUDY 47 46 95 CALM 30.25S VSB 1/4 TC 9
DE KALB* CLEAR 49 49 100 NE5 30.24S TC 9
ILZ005-006-012>014-019>023-260900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 54 50 86 CALM 30.21F TC 12
CHICAGO-MIDWAY PTCLDY 56 50 80 E3 30.22F TC 13
AURORA CLEAR 50 49 96 CALM 30.22F TC 10
JOLIET* CLEAR 49 49 99 CALM 30.22S TC 10
WAUKEGAN CLEAR 48 48 100 CALM 30.22F TC 9
DUPAGE AIRPORT CLEAR 48 46 93 CALM 30.23S TC 9
WHEELING PTCLDY 50 49 96 CALM 30.24S TC 10
LANSING* CLEAR 48 47 94 CALM 30.22F TC 9
NORTHERLY ISL* N/A 60 47 61 E10 N/A TC 16
LMZ740>746-260900-
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 64 60/ 8/ 12 1021.8F 1/ 3
WAUKEGAN HARBOR 64 64 50/ 10/ 12 1022.6F 1/ 3
WILMETTE BUOY 63 70/ 12/ 14 1025.1F 1/ 3
CHICAGO BUOY 63 63 100/ 12/ 16 1021.9F 2/ 3
HARRISON CRIB 62 90/ 12/ 14 N/A
NORTHERLY ISL 61 70/ 9/ 12 N/A
CALUMET HARBOR 61 70/ 6/ 8 1023.2
MICHIGAN CITY 54 100/ 4/ 5 1022.7F
MICH CITY BUOY 57 60 100/ 8/ 10 N/A 1
ST. JOSEPH BUOY 53 52 80/ 4/ 4 1024.0F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-260900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 62 56 80 E7 30.15F TC 17
MACOMB* CLOUDY 60 58 95 E3 30.20S TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-260900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 55 52 89 NE7 30.20F TC 13
DECATUR PTCLDY 54 51 90 E3 30.18F TC 12
PEORIA CLOUDY 56 51 84 E7 30.19F TC 13
SPRINGFIELD MOCLDY 60 48 64 E5 30.17S TC 16
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-260900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 58 50 75 NE7 30.19S TC 14
MATTOON PTCLDY 54 50 86 CALM 30.17F TC 12
ILZ079-100>102-260900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLOUDY 64 57 79 NE6 30.11F TC 18
CAHOKIA* MOCLDY 63 57 81 E6 30.13S TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-260900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* PTCLDY 56 50 79 NE3 30.17F TC 14
MT. VERNON CLOUDY 62 51 67 N3 30.14S TC 17
CENTRALIA* MOCLDY 61 53 73 CALM 30.15S TC 16
SALEM* PTCLDY 63 53 70 MISG 30.15S TC 17
ILZ067-068-072-073-078-083-087-091-260900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 57 51 80 N5 30.15S TC 14
FAIRFIELD* CLOUDY 63 50 64 NE3 30.13F TC 17
HARRISBURG* CLOUDY 63 53 71 CALM 30.12F TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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