496
ASUS43 KLOT 290901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CDT TUE SEP 29 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.
ILZ001-002-007-009-015-016-024-291000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 45 45 100 E6 30.01F TC 7
STERLING* CLEAR 51 51 100 E5 30.04F TC 11
SAVANNA* CLEAR 51 51 99 NE5 30.03F TC 11
ILZ003-004-008-010-011-017-018-291000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 50 49 96 CALM 30.06F TC 10
FREEPORT* CLEAR 50 49 95 CALM 30.06S TC 10
DE KALB* CLEAR 49 49 100 S5 30.06S TC 10
ILZ005-006-012>014-019>023-291000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 55 53 93 CALM 30.03S TC 13
CHICAGO-MIDWAY CLEAR 57 55 93 W3 30.04S TC 14
AURORA CLEAR 47 47 100 CALM 30.05R FOG TC 8
JOLIET* FOG 50 50 100 CALM 30.05S VSB 1 TC 10
WAUKEGAN FOG 52 52 100 CALM 30.04S VSB 1/2 TC 11
DUPAGE AIRPORT CLEAR 50 49 96 CALM 30.05S TC 10
WHEELING MOCLDY 54 53 97 CALM 30.05F TC 12
LANSING* CLOUDY 48 48 100 CALM 30.04S FOG TC 9
NORTHERLY ISL* N/A 60 57 89 SE2 N/A TC 16
LMZ740>746-291000-
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 59 65 280/ 4/ 6 1016.4S 0
WAUKEGAN HARBOR 59 65 270/ 4/ 6 1017.2R 0
WILMETTE BUOY 64 150/ 4/ 6 1018.8R 0
CHICAGO BUOY 63 64 170/ 4/ 6 1016.1F 1
HARRISON CRIB 63 160/ 5/ 6 N/A
NORTHERLY ISL 60 130/ 3/ 4 N/A
CALUMET HARBOR 58 170/ 2/ 3 1017.0
MICHIGAN CITY 56 110/ 4/ 5 1016.3F
MICH CITY BUOY 60 62 120/ 4/ 4 N/A 1
ST. JOSEPH BUOY 60 61 150/ 2/ 4 1018.0F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-291000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 55 45 68 SE6 30.00F TC 13
GALESBURG* CLEAR 52 50 93 E3 30.03S TC 11
MACOMB* CLEAR 46 46 100 CALM 30.04S TC 8
ILZ028>032-037-038-041>044-048-051>054-059>061-291000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 53 49 86 CALM 30.06S TC 12
DECATUR CLEAR 49 45 86 CALM 30.04S TC 9
PEORIA CLEAR 53 50 89 CALM 30.03S TC 12
LACON* CLEAR 48 46 91 CALM 30.03F TC 9
SPRINGFIELD CLEAR 48 46 93 CALM 30.02F TC 9
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-291000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 51 48 89 E6 30.03F TC 11
MATTOON CLEAR 50 49 96 CALM 30.02F TC 10
ILZ079-100>102-291000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLEAR 53 52 97 CALM 29.99F TC 11
CAHOKIA* CLEAR 51 50 96 CALM 30.00F TC 11
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-291000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 54 53 98 CALM 30.02S TC 12
EFFINGHAM* CLEAR 50 48 93 CALM 30.04F TC 10
MT. VERNON CLEAR 46 45 96 CALM 30.03F TC 8
CENTRALIA* CLEAR 48 47 93 CALM 30.02F TC 9
SALEM* CLEAR 52 51 94 MISG 30.02F TC 11
ILZ067-068-072-073-078-083-087-091-291000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 52 50 93 SW3 30.03S TC 11
FLORA* CLEAR 52 N/A N/A CALM 30.03S TC 11
FAIRFIELD* CLEAR 51 48 89 CALM 30.03S TC 11
HARRISBURG* CLEAR 49 48 97 CALM 30.03S TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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