630
ASUS43 KLOT 291210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.
ILZ001-002-007-009-015-016-024-291300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 45 45 100 CALM 30.02S TC 7
6HR MIN TEMP: 45; 6HR MAX TEMP: 51;
STERLING* CLEAR 49 49 100 CALM 30.05R TC 9
SAVANNA* CLEAR 49 49 100 NE3 30.04R FOG TC 9
ILZ003-004-008-010-011-017-018-291300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 50 49 96 CALM 30.05S TC 10
6HR MIN TEMP: 47; 6HR MAX TEMP: 54;
FREEPORT* CLEAR 49 47 95 CALM 30.06R TC 9
ROCHELLE* CLEAR 49 49 100 CALM 30.04S FOG TC 9
DE KALB* FOG 49 49 100 E5 30.05S VSB<1/4 TC 9
PERU* CLEAR 52 50 93 CALM 30.05R FOG TC 11
ILZ005-006-012>014-019>023-291300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE FOG 54 53 97 CALM 30.05R VSB 1 TC 12
6HR MIN TEMP: 54; 6HR MAX TEMP: 58;
CHICAGO-MIDWAY PTCLDY 54 53 97 CALM 30.05R TC 12
6HR MIN TEMP: 54; 6HR MAX TEMP: 60;
AURORA PTCLDY 47 47 100 E3 30.04S FOG TC 8
6HR MIN TEMP: 46; 6HR MAX TEMP: 53;
JOLIET* N/A 48 48 100 CALM 30.06S FOG TC 9
WAUKEGAN FOG 47 47 100 CALM 30.05R VSB 1/2 TC 8
6HR MIN TEMP: 47; 6HR MAX TEMP: 53;
DUPAGE AIRPORT FOG 50 49 96 CALM 30.05F VSB<1/4 TC 10
6HR MIN TEMP: 48; 6HR MAX TEMP: 53;
KANKAKEE* FOG 48 46 95 CALM 30.07S VSB<1/4 TC 9
WHEELING FOG 52 52 100 CALM 30.06R VSB 1/4 TC 11
6HR MIN TEMP: 51; 6HR MAX TEMP: 55;
LANSING* FOG 46 46 100 CALM 30.06S VSB 1/2 TC 8
NORTHERLY ISL* N/A 58 56 93 S2 N/A TC 14
LMZ740>746-291300-
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 58 64 240/ 4/ 4 1016.7 0
WAUKEGAN HARBOR 58 65 260/ 2/ 4 1017.4 0
WILMETTE BUOY 62 60/ 2/ 4 1019.0F 0
CHICAGO BUOY 63 63 180/ 4/ 4 1016.5 0
NORTHERLY ISL 58 CALM / 4 N/A
CALUMET HARBOR 56 CALM / 1 1017.5
MICH CITY BUOY 60 62 180/ 4/ 6 N/A 1
ST. JOSEPH BUOY 59 60 160/ 4/ 6 1018.7R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-291300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 56 46 69 SE6 30.00S TC 13
GALESBURG* CLEAR 49 49 100 SE3 30.04R TC 10
MACOMB* CLEAR 44 44 100 CALM 30.04S TC 6
JACKSONVILLE* CLEAR 46 46 100 CALM 30.03S TC 8
PITTSFIELD* CLEAR 49 48 97 CALM 30.02F TC 10
ILZ028>032-037-038-041>044-048-051>054-059>061-291300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 48 48 100 SE3 30.05S FOG TC 9
BLOOMINGTON CLEAR 51 49 92 S7 30.05S TC 11
DECATUR CLEAR 45 44 97 E3 30.05S TC 7
PEORIA CLEAR 51 50 96 CALM 30.04R TC 11
6HR MIN TEMP: 51; 6HR MAX TEMP: 55;
LACON* CLEAR 47 45 93 CALM 30.04R TC 8
SPRINGFIELD CLEAR 45 44 97 CALM 30.04R TC 7
6HR MIN TEMP: 45; 6HR MAX TEMP: 49;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-291300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 49 47 93 E6 30.05S TC 9
RANTOUL* CLEAR 49 49 99 CALM 30.06S TC 10
MATTOON CLEAR 49 48 97 CALM 30.05R TC 9
PARIS* CLEAR 44 43 97 CALM 30.06S FOG TC 7
ILZ079-100>102-291300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 48 46 93 CALM 30.03S TC 9
BELLEVILLE CLEAR 51 51 97 CALM 30.02R TC 11
CAHOKIA* CLEAR 49 49 100 CALM 30.03R TC 9
SPARTA* CLEAR 50 50 98 CALM 30.05R TC 10
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-291300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 48 46 93 CALM 30.04 TC 9
CAIRO* CLEAR 52 52 99 CALM 30.04R TC 11
EFFINGHAM* CLEAR 48 47 94 CALM 30.06S TC 9
MT. VERNON CLEAR 45 44 97 CALM 30.05R TC 7
CENTRALIA* CLEAR 46 45 96 E3 30.04S TC 8
SALEM* CLEAR 51 50 98 MISG 30.04R TC 11
METROPOLIS* CLEAR 48 47 97 CALM 30.04S TC 9
ILZ067-068-072-073-078-083-087-091-291300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 50 49 96 CALM 30.05R TC 10
FLORA* CLEAR 48 N/A N/A CALM 30.05S TC 9
FAIRFIELD* CLEAR 50 47 92 CALM 30.05R TC 10
HARRISBURG* CLEAR 47 47 99 CALM 30.05R TC 8
ROBINSON* CLEAR 45 45 100 NW1 30.05S FOG TC 7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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