428
ASUS43 KLOT 261101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-261200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 55 52 89 E3 30.19R TC 13
STERLING* PTCLDY 48 48 100 CALM 30.22R TC 9
SAVANNA* PTCLDY 50 49 96 NE5 30.21S TC 10
ILZ003-004-008-010-011-017-018-261200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 51 49 92 CALM 30.23S TC 11
FREEPORT* N/A 46 45 95 CALM 30.24S VSB 1 TC 8
DE KALB* CLEAR 48 48 100 E5 30.22S TC 9
ILZ005-006-012>014-019>023-261200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 52 47 83 NE3 30.21F TC 11
CHICAGO-MIDWAY PTCLDY 56 51 84 E5 30.21F TC 13
AURORA PTCLDY 47 47 100 CALM 30.21F TC 8
JOLIET* CLEAR 47 47 100 CALM 30.22S FOG TC 8
WAUKEGAN CLEAR 46 46 100 CALM 30.22F TC 8
DUPAGE AIRPORT CLEAR 47 45 93 N3 30.22F TC 8
WHEELING MOCLDY 47 47 100 CALM 30.23F TC 8
LANSING* CLEAR 49 47 92 CALM 30.22F TC 10
NORTHERLY ISL* N/A 58 52 80 E5 N/A TC 14
LMZ740>746-261200-
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 63 64 70/ 8/ 12 1021.8S 1/ 3
WAUKEGAN HARBOR 63 63 70/ 10/ 12 1022.6S 2/ 3
WILMETTE BUOY 61 100/ 10/ 14 1024.9F 2/ 3
CHICAGO BUOY 60 63 110/ 8/ 12 1022.1S 2/ 3
HARRISON CRIB 60 110/ 10/ 11 N/A
NORTHERLY ISL 58 100/ 5/ 8 N/A
CALUMET HARBOR 59 90/ 4/ 5 1023.2F
MICHIGAN CITY 52 80/ 3/ 5 1023.1R
MICH CITY BUOY 56 60 100/ 8/ 10 N/A 1
ST. JOSEPH BUOY 52 52 10/ 4/ 4 1024.4R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-261200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 59 54 83 E3 30.16R TC 15
MACOMB* MOCLDY 56 56 98 E3 30.19S TC 14
ILZ028>032-037-038-041>044-048-051>054-059>061-261200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 53 52 96 E9 30.20S TC 12
DECATUR MOCLDY 57 52 83 E7 30.18R TC 14
PEORIA CLOUDY 58 51 78 E8 30.18S TC 14
SPRINGFIELD CLOUDY 58 51 78 NE6 30.17S TC 14
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-261200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 53 50 89 E8 30.19R TC 12
MATTOON MOCLDY 56 52 86 NE3 30.16F TC 13
ILZ079-100>102-261200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* MOCLDY 62 54 74 NE5 30.14R TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-261200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* PTCLDY 57 51 80 NE5 30.17F TC 14
MT. VERNON PTCLDY 61 51 70 N5 30.15R TC 16
CENTRALIA* PTCLDY 60 53 77 CALM 30.15R TC 16
SALEM* PTCLDY 61 52 72 MISG 30.15S TC 16
ILZ067-068-072-073-078-083-087-091-261200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 56 51 84 N6 30.16R TC 13
FAIRFIELD* PTCLDY 59 50 73 N3 30.14S TC 15
HARRISBURG* CLOUDY 61 53 73 CALM 30.13S TC 16
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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