845
ASUS43 KLOT 270256
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM 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.
ILZ001-002-007-009-015-016-024-270400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 61 58 90 CALM 30.09S TC 16
ILZ003-004-008-010-011-017-018-270400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 57 48 72 VRB6 30.15S TC 14
ILZ005-006-012>014-019>023-270400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 56 48 74 CALM 30.14R TC 13
CHICAGO-MIDWAY NOT AVBL
AURORA PTCLDY 54 49 83 NE3 30.14R TC 12
WAUKEGAN PTCLDY 48 48 100 CALM 30.14S TC 9
DUPAGE AIRPORT PTCLDY 50 46 86 NE3 30.14S TC 10
WHEELING PTCLDY 52 50 93 CALM 30.16S TC 11
NORTHERLY ISL* N/A 61 54 77 E6 N/A TC 16
LMZ740>746-270400-
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 50/ 10/ 14 1019.3S 1/ 2
WAUKEGAN HARBOR 64 64 50/ 8/ 12 1020.1R 1/ 3
WILMETTE BUOY 63 90/ 10/ 14 1022.1R 1/ 2
CHICAGO BUOY 63 64 90/ 8/ 12 1019.2S 1/ 3
HARRISON CRIB 63 80/ 10/ 11 N/A
NORTHERLY ISL 60 70/ 6/ 8 N/A
CALUMET HARBOR 70/ 8/ 11 1020.6
MICHIGAN CITY 60 40/ 13/ 14 1019.8R
MICH CITY BUOY 60 61 50/ 14/ 16 N/A 1/ 2
ST. JOSEPH BUOY 55 53 40/ 8/ 10 1021.3S 1
ILZ025>027-034>036-040-047-049-050-058-095>099-270400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-270400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 63 57 81 CALM 30.09R TC 17
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-270400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 58 50 75 E8 30.10S TC 14
MATTOON MOCLDY 61 52 72 CALM 30.08S TC 16
ILZ079-100>102-270400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* FOG 58 58 100 CALM 30.07F VSB 3/4 TC 14
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-270400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-270400-
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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