858
ASUS43 KLOT 290503
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-290600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 51 50 96 CALM 30.02S TC 11
STERLING* CLEAR 53 50 89 E5 30.04F TC 12
SAVANNA* CLEAR 57 53 86 CALM 30.03S TC 14
ILZ003-004-008-010-011-017-018-290600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 55 52 89 CALM 30.06F TC 13
FREEPORT* CLEAR 55 51 87 SE3 30.06F TC 13
DE KALB* CLEAR 55 52 90 E6 30.06F TC 13
ILZ005-006-012>014-019>023-290600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 60 58 92 CALM 30.04S TC 16
CHICAGO-MIDWAY CLEAR 61 58 90 CALM 30.05S TC 16
AURORA CLEAR 52 51 97 CALM 30.06R TC 11
JOLIET* CLEAR 55 55 99 CALM 30.06S TC 13
WAUKEGAN PTCLDY 51 51 100 CALM 30.05S FOG TC 11
DUPAGE AIRPORT CLEAR 54 51 90 CALM 30.06S TC 12
KANKAKEE* FOG 51 50 95 CALM 30.07S VSB 3/4 TC 11
WHEELING CLEAR 56 55 97 CALM 30.06F TC 13
LANSING* CLEAR 52 51 98 CALM 30.06S FOG TC 11
NORTHERLY ISL* N/A 60 58 92 NE2 N/A TC 16
LMZ740>746-290600-
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 61 65 300/ 2/ 4 1016.6F 0
WAUKEGAN HARBOR 62 65 230/ 2/ 4 1017.4F 0
WILMETTE BUOY 65 90/ 2/ 4 1019.4F 1
CHICAGO BUOY 64 64 50/ 2/ 12 1016.6F 1
HARRISON CRIB 64 80/ 3/ 3 N/A
NORTHERLY ISL 60 40/ 3 N/A
CALUMET HARBOR 63 50/ 4/ 5 1017.6F
MICHIGAN CITY 60 80/ 5/ 6 1016.6F
MICH CITY BUOY 61 62 100/ 4/ 6 N/A 1
ST. JOSEPH BUOY 61 62 80/ 4/ 4 1018.4F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-290600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 59 46 62 SE5 30.03R TC 15
GALESBURG* CLEAR 50 50 100 CALM 30.04S TC 10
MACOMB* CLEAR 47 47 100 CALM 30.05S TC 9
JACKSONVILLE* CLEAR 50 50 99 E3 30.03S TC 10
ILZ028>032-037-038-041>044-048-051>054-059>061-290600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 55 51 86 E7 30.06S TC 13
DECATUR CLEAR 54 47 77 CALM 30.05S TC 12
PEORIA CLEAR 55 50 83 E6 30.04S TC 13
LACON* CLEAR 52 48 85 CALM 30.03F TC 11
SPRINGFIELD CLEAR 49 47 93 CALM 30.03F TC 9
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-290600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 57 50 77 E7 30.05S TC 14
MATTOON CLEAR 56 52 86 CALM 30.04S TC 13
ILZ079-100>102-290600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLEAR 54 54 100 CALM 30.01S TC 12
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-290600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 58 55 90 CALM 30.02S TC 14
EFFINGHAM* CLEAR 53 52 94 CALM 30.06S TC 12
MARION HAZE 55 48 76 CALM 30.03S VSB 1/4 TC 13
MT. VERNON CLEAR 49 47 93 CALM 30.04S TC 9
CENTRALIA* CLEAR 52 48 86 CALM 30.03S TC 11
SALEM* CLEAR 64 50 61 MISG 30.03S TC 18
ILZ067-068-072-073-078-083-087-091-290600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 57 52 83 CALM 30.04R TC 14
FLORA* CLEAR 55 50 82 CALM 30.04S TC 13
FAIRFIELD* CLEAR 60 48 64 CALM 30.03S TC 16
HARRISBURG* CLEAR 53 50 88 CALM 30.04R TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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