507
ASUS43 KLOT 290601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-290700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 49 49 100 CALM 30.02S TC 9
6HR MIN TEMP: 49; 6HR MAX TEMP: 64;
STERLING* CLEAR 53 51 93 E3 30.05R TC 12
SAVANNA* CLEAR 59 51 74 SE3 30.04R TC 15
ILZ003-004-008-010-011-017-018-290700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 53 51 93 CALM 30.06S TC 12
6HR MIN TEMP: 52; 6HR MAX TEMP: 66;
FREEPORT* CLEAR 55 53 94 S7 30.06R TC 13
DE KALB* CLEAR 55 52 92 S3 30.06S TC 13
ILZ005-006-012>014-019>023-290700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 57 55 93 CALM 30.03F TC 14
6HR MIN TEMP: 57; 6HR MAX TEMP: 66;
CHICAGO-MIDWAY CLEAR 60 58 92 SE5 30.04F TC 16
6HR MIN TEMP: 60; 6HR MAX TEMP: 66;
AURORA CLEAR 53 52 96 CALM 30.04F TC 12
6HR MIN TEMP: 52; 6HR MAX TEMP: 65;
JOLIET* N/A 51 51 100 CALM 30.06S FOG TC 11
WAUKEGAN PTCLDY 51 51 100 CALM 30.04S TC 11
6HR MIN TEMP: 49; 6HR MAX TEMP: 58;
DUPAGE AIRPORT CLEAR 53 52 96 CALM 30.05F TC 12
6HR MIN TEMP: 52; 6HR MAX TEMP: 66;
WHEELING PTCLDY 55 54 96 CALM 30.06S TC 13
6HR MIN TEMP: 54; 6HR MAX TEMP: 64;
LANSING* FOG 52 52 100 CALM 30.05F VSB 1/2 TC 11
NORTHERLY ISL* N/A 61 58 90 SE3 N/A TC 16
LMZ740>746-290700-
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 65 270/ 4/ 6 1016.3F 0
WAUKEGAN HARBOR 61 65 200/ 2/ 4 1017.0F 0
WILMETTE BUOY 65 90/ 2/ 4 1019.3F 1
CHICAGO BUOY 64 64 160/ 4/ 4 1016.4F 1
HARRISON CRIB 63 150/ 3/ 4 N/A
NORTHERLY ISL 60 90/ 2/ 4 N/A
CALUMET HARBOR 63 80/ 3/ 4 1017.7
MICHIGAN CITY 59 80/ 5/ 6 1016.8R
MICH CITY BUOY 61 63 110/ 6/ 6 N/A 1
ST. JOSEPH BUOY 61 62 80/ 2/ 6 1018.2F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-290700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 58 46 64 SE7 30.02F TC 14
MACOMB* CLEAR 46 46 100 CALM 30.05F TC 8
ILZ028>032-037-038-041>044-048-051>054-059>061-290700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 54 52 93 SE6 30.06S TC 12
DECATUR CLEAR 50 46 86 NE6 30.04F TC 10
PEORIA CLEAR 55 50 83 CALM 30.04S TC 13
6HR MIN TEMP: 53; 6HR MAX TEMP: 63;
SPRINGFIELD CLEAR 48 47 96 CALM 30.04R TC 9
6HR MIN TEMP: 48; 6HR MAX TEMP: 63;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-290700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 53 49 86 E7 30.04F TC 12
MATTOON CLEAR 51 49 92 SE5 30.03F TC 11
ILZ079-100>102-290700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLEAR 53 52 96 CALM 30.02R TC 12
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-290700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* CLEAR 52 50 94 CALM 30.05F TC 11
MT. VERNON CLEAR 48 47 96 CALM 30.03F TC 9
CENTRALIA* CLEAR 51 47 87 CALM 30.03S TC 10
SALEM* CLEAR 62 51 65 MISG 30.03S TC 17
ILZ067-068-072-073-078-083-087-091-290700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 56 53 90 CALM 30.04S TC 13
FAIRFIELD* CLEAR 58 49 70 CALM 30.03F TC 15
HARRISBURG* CLEAR 52 49 90 CALM 30.03S TC 11
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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