475
ASUS43 KLOT 291501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-291600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 66 53 63 S3 30.01S TC 19
STERLING* MOSUNNY 67 53 61 S5 30.04F TC 19
SAVANNA* SUNNY 64 55 74 S6 30.02F TC 18
ILZ003-004-008-010-011-017-018-291600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 65 55 70 SE6 30.05F TC 18
FREEPORT* SUNNY 66 56 72 S6 30.04F TC 19
DE KALB* SUNNY 64 56 74 S8 30.06F TC 18
ILZ005-006-012>014-019>023-291600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 65 54 67 SW3 30.04F TC 18
CHICAGO-MIDWAY MOSUNNY 65 55 70 W5 30.05F TC 18
AURORA SUNNY 64 56 75 S6 30.05F TC 18
JOLIET* SUNNY 66 57 72 SW3 30.06F TC 19
WAUKEGAN CLOUDY 60 60 100 S5 30.05S FOG TC 16
DUPAGE AIRPORT SUNNY 64 57 78 CALM 30.05F TC 18
WHEELING SUNNY 60 59 96 SW3 30.06F TC 16
LANSING* SUNNY 66 56 70 SW7 30.06S TC 19
NORTHERLY ISL* N/A 65 54 67 SW3 N/A TC 18
LMZ740>746-291600-
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 60 64 210/ 6/ 8 1020.0R 0
WAUKEGAN HARBOR 61 65 170/ 4/ 8 1017.5S 0
WILMETTE BUOY 63 190/ 4/ 6 1019.9R 0
CHICAGO BUOY 62 64 180/ 4/ 6 1016.5F 1
HARRISON CRIB 61 180/ 8/ 8 N/A
NORTHERLY ISL 64 150/ 2/ 4 N/A
CALUMET HARBOR 63 190/ 4/ 6 1017.7F
MICHIGAN CITY 64 190/ 6/ 6 1016.7F
MICH CITY BUOY 62 62 180/ 2/ 2 N/A 0
ST. JOSEPH BUOY 62 61 170/ 6/ 6 1018.6F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-291600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 71 49 45 S7 30.01F TC 22
MACOMB* SUNNY 69 54 60 S6 30.04F TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-291600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 70 54 56 S8 30.07S TC 21
DECATUR SUNNY 67 54 63 S5 30.06F TC 19
PEORIA SUNNY 66 52 60 SE3 30.04S TC 19
SPRINGFIELD SUNNY 70 51 51 VRB6 30.04S TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-291600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 70 54 56 VRB5 30.07S TC 21
MATTOON SUNNY 70 54 56 S7 30.06F TC 21
ILZ079-100>102-291600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 70 52 52 VRB3 30.05S TC 21
BELLEVILLE SUNNY 71 56 58 S5 30.03S TC 22
CAHOKIA* SUNNY 70 55 59 CALM 30.05R TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-291600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 70 55 60 CALM 30.05S TC 21
EFFINGHAM* SUNNY 70 53 55 SE3 30.08F TC 21
MT. VERNON SUNNY 73 53 49 VRB5 30.07S TC 23
CENTRALIA* SUNNY 76 51 42 S8 30.06S TC 24
SALEM* SUNNY 72 55 54 MISG 30.06S HAZE TC 22
ILZ067-068-072-073-078-083-087-091-291600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A N/A N/A N/A S5 30.07S
FLORA* SUNNY 70 54 56 S6 30.07S TC 21
FAIRFIELD* SUNNY 71 52 49 CALM 30.06F TC 22
HARRISBURG* SUNNY 72 55 55 CALM 30.07S TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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