618
ASUS43 KLOT 261203
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
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
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;
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;
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 2/ 4
WAUKEGAN HARBOR 62 63 70/ 10/ 14 1022.6R 2/ 4
WILMETTE BUOY 61 100/ 12/ 16 1025.0R 2/ 3
CHICAGO BUOY 60 63 100/ 8/ 14 1022.2R 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/ 10 N/A 1
ST. JOSEPH BUOY 51 52 60/ 4/ 4 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
ILZ028>032-037-038-041>044-048-051>054-059>061-261300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
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;
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
MATTOON MOCLDY 55 51 86 NE5 30.17R TC 13
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
CAHOKIA* MOCLDY 62 53 72 CALM 30.14S TC 17
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
MARION CLEAR 61 52 72 CALM 30.13R TC 16
MT. VERNON PTCLDY 60 51 72 NE6 30.15S TC 16
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
FAIRFIELD* PTCLDY 58 50 74 NE3 30.15R TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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