940
ASUS43 KLOT 261206
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 AM CDT SAT SEP 26 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.
ILZ001-002-007-009-015-016-024-261300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 53 51 93 E3 30.19S TC 12
6HR MIN TEMP: 53; 6HR MAX TEMP: 60;
STERLING* CLEAR 47 47 100 E6 30.22S TC 8
SAVANNA* CLEAR 50 49 96 CALM 30.21R TC 10
ILZ003-004-008-010-011-017-018-261300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 48 48 100 CALM 30.25R TC 9
6HR MIN TEMP: 48; 6HR MAX TEMP: 54;
FREEPORT* CLOUDY 44 43 95 NE3 30.24S VSB<1/4 TC 7
ROCHELLE* PTCLDY 46 46 100 CALM 30.23R TC 8
DE KALB* CLEAR 47 47 100 E3 30.24R TC 9
ILZ005-006-012>014-019>023-261300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 53 49 86 E3 30.22R TC 12
6HR MIN TEMP: 51; 6HR MAX TEMP: 58;
CHICAGO-MIDWAY MOCLDY 56 51 84 E6 30.22R TC 13
6HR MIN TEMP: 54; 6HR MAX TEMP: 58;
AURORA CLEAR 47 47 100 CALM 30.23R FOG TC 8
6HR MIN TEMP: 47; 6HR MAX TEMP: 51;
JOLIET* CLEAR 47 47 100 CALM 30.23R FOG TC 8
WAUKEGAN CLEAR 46 46 100 CALM 30.23R TC 8
6HR MIN TEMP: 45; 6HR MAX TEMP: 51;
DUPAGE AIRPORT CLEAR 47 44 90 CALM 30.23R TC 8
6HR MIN TEMP: 46; 6HR MAX TEMP: 50;
KANKAKEE* CLEAR 47 46 95 CALM 30.23R TC 9
WHEELING CLEAR 48 47 96 CALM 30.24R TC 9
6HR MIN TEMP: 47; 6HR MAX TEMP: 52;
LANSING* CLEAR 49 47 92 CALM 30.23R TC 10
NORTHERLY ISL* N/A 58 52 80 E8 N/A TC 14
LMZ740>746-261300-
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 62 64 70/ 10/ 14 1021.9R 1/ 3
WAUKEGAN HARBOR 62 63 70/ 10/ 14 1022.6R 2/ 3
WILMETTE BUOY 61 100/ 10/ 14 1024.9R 2/ 4
CHICAGO BUOY 60 63 100/ 10/ 12 1022.3R 2/ 3
HARRISON CRIB 60 100/ 11/ 11 N/A
NORTHERLY ISL 58 70/ 6/ 7 N/A
CALUMET HARBOR 59 80/ 4/ 5 1023.3
MICHIGAN CITY 51 50/ 4/ 5 1023.6R
MICH CITY BUOY 56 60 90/ 8/ 12 N/A 1
ST. JOSEPH BUOY 51 52 80/ 6/ 8 1024.5R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-261300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 59 54 83 E5 30.18R TC 15
GALESBURG* CLOUDY 56 53 91 E5 30.20R TC 13
MACOMB* CLOUDY 57 56 99 CALM 30.21R TC 14
JACKSONVILLE* CLOUDY 57 52 82 E3 30.17R TC 14
PITTSFIELD* CLOUDY 58 56 92 CALM 30.18R TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-261300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 48 48 99 E3 30.22R TC 9
BLOOMINGTON PTCLDY 51 51 100 NE6 30.21R TC 11
DECATUR MOCLDY 57 52 83 E5 30.18S TC 14
PEORIA CLOUDY 58 51 78 E8 30.19R TC 14
6HR MIN TEMP: 55; 6HR MAX TEMP: 58;
LACON* PTCLDY 51 47 86 E8 30.20R TC 11
LINCOLN* CLOUDY 57 54 88 NE3 30.19R TC 14
SPRINGFIELD MOCLDY 58 52 80 NE5 30.17S TC 14
6HR MIN TEMP: 58; 6HR MAX TEMP: 61;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-261300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 53 49 86 E9 30.20R TC 12
RANTOUL* CLEAR 50 49 97 NE3 30.21S TC 10
MATTOON MOCLDY 55 51 86 NE5 30.17R TC 13
PARIS* CLEAR 50 49 97 NE3 30.20R TC 10
ILZ079-100>102-261300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 61 50 67 E6 30.16S TC 16
BELLEVILLE MOCLDY 62 56 82 CALM 30.13R TC 17
CAHOKIA* MOCLDY 62 53 72 CALM 30.14S TC 17
SPARTA* PTCLDY 60 52 75 CALM 30.15R TC 15
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-261300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 61 55 82 NE3 30.13 TC 16
CAIRO* PTCLDY 60 56 87 CALM 30.13R TC 16
EFFINGHAM* MOCLDY 58 52 82 CALM 30.18R TC 14
MARION CLEAR 61 52 72 CALM 30.13R TC 16
MT. VERNON PTCLDY 60 51 72 NE6 30.15S TC 16
CENTRALIA* PTCLDY 60 51 74 E5 30.16R TC 15
SALEM* PTCLDY 61 52 72 MISG 30.16R TC 16
METROPOLIS* PTCLDY 58 51 77 CALM 30.12R TC 15
ILZ067-068-072-073-078-083-087-091-261300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 55 51 86 CALM 30.16S TC 13
FLORA* MOCLDY 57 52 82 NE3 30.17R TC 14
FAIRFIELD* PTCLDY 58 50 74 NE3 30.15R TC 15
HARRISBURG* PTCLDY 60 53 75 NE3 30.13F TC 16
ROBINSON* MOCLDY 54 54 100 N3 30.17R TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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