317
ASUS43 KLOT 290708
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-290800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 47 46 97 E5 30.02S TC 8
STERLING* CLEAR 52 51 97 E3 30.05S TC 11
SAVANNA* CLEAR 55 52 90 CALM 30.05R TC 13
ILZ003-004-008-010-011-017-018-290800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 52 51 97 CALM 30.06S TC 11
FREEPORT* CLEAR 53 52 95 CALM 30.07R TC 12
ROCHELLE* CLEAR 49 49 100 CALM 30.06R TC 9
DE KALB* CLEAR 52 51 96 CALM 30.06R TC 11
ILZ005-006-012>014-019>023-290800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 57 55 93 CALM 30.05R TC 14
CHICAGO-MIDWAY CLEAR 58 57 97 CALM 30.05R TC 14
AURORA CLEAR 50 50 100 CALM 30.05R TC 10
JOLIET* CLEAR 53 53 100 CALM 30.05F FOG TC 12
WAUKEGAN CLEAR 48 48 100 CALM 30.05R FOG TC 9
DUPAGE AIRPORT CLEAR 51 49 92 CALM 30.05S TC 11
KANKAKEE* FOG 50 48 95 CALM 30.06F VSB 1/4 TC 10
WHEELING PTCLDY 54 53 97 N3 30.07R TC 12
ROMEOVILLE* PTCLDY 54 54 100 E3 30.05S TC 12
LANSING* FOG 51 51 100 CALM 30.05S VSB 1 TC 10
NORTHERLY ISL* N/A 60 58 92 SE1 N/A TC 16
LMZ740>746-290800-
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 65 280/ 4/ 4 1016.7R 0
WAUKEGAN HARBOR 61 65 230/ 4/ 4 1017.5R 0
WILMETTE BUOY 64 130/ 4/ 4 1019.4R 0
CHICAGO BUOY 64 64 160/ 4/ 6 1016.4R 1
HARRISON CRIB 63 150/ 4/ 5 N/A
NORTHERLY ISL 61 120/ 3/ 4 N/A
CALUMET HARBOR 62 90/ 4/ 5 1017.3
MICHIGAN CITY 58 120/ 6/ 8 1016.2F
MICH CITY BUOY 61 62 110/ 6/ 8 N/A 1
ST. JOSEPH BUOY 61 62 130/ 4/ 6 1017.8F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-290800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 58 44 60 SE6 30.02S TC 14
GALESBURG* CLEAR 48 48 100 CALM 30.05R TC 9
MACOMB* CLEAR 45 45 100 CALM 30.05S TC 7
JACKSONVILLE* CLEAR 49 48 99 E3 30.04S TC 9
PITTSFIELD* CLEAR 51 49 92 CALM 30.03F TC 11
ILZ028>032-037-038-041>044-048-051>054-059>061-290800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 53 53 100 E3 30.05S TC 12
BLOOMINGTON CLEAR 55 49 80 CALM 30.05F TC 13
DECATUR CLEAR 49 47 93 CALM 30.05R TC 9
PEORIA CLEAR 54 51 90 CALM 30.04S TC 12
LACON* CLEAR 51 48 89 CALM 30.04R TC 11
SPRINGFIELD CLEAR 48 47 96 CALM 30.04S TC 9
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-290800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 51 48 89 E6 30.04S TC 11
RANTOUL* CLEAR 53 50 89 NE3 30.05S TC 12
MATTOON CLEAR 57 53 86 S3 30.03S TC 14
PARIS* CLEAR 47 46 97 CALM 30.05S FOG TC 8
ILZ079-100>102-290800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 51 48 89 E3 30.04S TC 11
BELLEVILLE CLEAR 54 53 97 CALM 30.01S TC 12
CAHOKIA* CLEAR 51 51 100 CALM 30.03R TC 11
SPARTA* CLEAR 56 48 74 CALM 30.04S TC 13
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-290800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 55 54 97 CALM 30.03R TC 13
EFFINGHAM* CLEAR 51 49 93 CALM 30.05S TC 11
MARION CLEAR 54 50 87 W1 30.03R TC 12
MT. VERNON CLEAR 48 47 96 CALM 30.04R TC 9
CENTRALIA* CLEAR 51 47 89 CALM 30.04R TC 10
SALEM* CLEAR 54 49 83 MISG 30.04R TC 12
METROPOLIS* CLEAR 49 49 98 CALM 30.02S TC 10
ILZ067-068-072-073-078-083-087-091-290800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 54 52 93 CALM 30.03F TC 12
FLORA* CLEAR 54 52 94 CALM 30.04S TC 12
FAIRFIELD* CLEAR 56 49 75 CALM 30.03S TC 13
HARRISBURG* CLEAR 50 48 93 CALM 30.03S TC 10
ROBINSON* CLEAR 48 48 100 W1 30.03F TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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