910
ASUS43 KLOT 261001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-261100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 57 52 83 E8 30.17F TC 14
STERLING* PTCLDY 50 49 96 E5 30.21S TC 10
SAVANNA* PTCLDY 51 49 95 CALM 30.21S TC 11
ILZ003-004-008-010-011-017-018-261100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 51 50 96 NE6 30.23F TC 11
FREEPORT* PTCLDY 48 47 95 E3 30.23R TC 9
DE KALB* CLEAR 48 48 100 E6 30.23S TC 9
ILZ005-006-012>014-019>023-261100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 53 49 86 CALM 30.22S TC 12
CHICAGO-MIDWAY MOCLDY 56 50 80 CALM 30.22S TC 13
AURORA MOCLDY 49 49 100 CALM 30.22S TC 9
JOLIET* CLEAR 48 48 99 CALM 30.22S TC 9
WAUKEGAN CLEAR 46 46 100 CALM 30.23R TC 8
DUPAGE AIRPORT PTCLDY 47 46 97 CALM 30.23S TC 8
WHEELING PTCLDY 48 48 100 CALM 30.24F TC 9
LANSING* CLEAR 49 47 94 CALM 30.23S TC 10
NORTHERLY ISL* N/A 58 51 78 E7 N/A TC 14
LMZ740>746-261100-
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 80/ 10/ 14 1021.8S 2/ 3
WAUKEGAN HARBOR 63 63 70/ 10/ 12 1022.6S 1/ 3
WILMETTE BUOY 62 100/ 10/ 14 1025.0F 2/ 3
CHICAGO BUOY 61 63 110/ 10/ 12 1022.1S 2/ 3
HARRISON CRIB 61 100/ 12/ 13 N/A
NORTHERLY ISL 59 90/ 5/ 11 N/A
CALUMET HARBOR 60 90/ 6/ 8 1023.3
MICHIGAN CITY 52 80/ 2/ 3 1023.0S
ST. JOSEPH BUOY 52 52 80/ 6/ 8 1024.1S 0
ILZ025>027-034>036-040-047-049-050-058-095>099-261100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 60 53 77 E8 30.14F TC 16
MACOMB* CLOUDY 58 56 91 E5 30.19F TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-261100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 54 52 93 NE7 30.20S TC 12
DECATUR MOCLDY 57 52 83 E8 30.17F TC 14
PEORIA CLOUDY 57 51 80 E8 30.18F TC 14
SPRINGFIELD CLOUDY 59 49 69 E3 30.17R TC 15
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-261100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 55 50 83 E8 30.18S TC 13
MATTOON PTCLDY 55 51 86 CALM 30.17R TC 13
ILZ079-100>102-261100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* MOCLDY 63 56 78 NE5 30.12S TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-261100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* PTCLDY 57 50 79 CALM 30.18S TC 14
MT. VERNON PTCLDY 61 51 70 NE5 30.14R TC 16
CENTRALIA* PTCLDY 60 53 77 E5 30.14S TC 16
SALEM* MOCLDY 62 52 70 MISG 30.15R TC 17
ILZ067-068-072-073-078-083-087-091-261100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 57 51 80 NE6 30.14S TC 14
FAIRFIELD* CLOUDY 59 50 73 NE6 30.13S TC 15
HARRISBURG* MOCLDY 61 53 75 CALM 30.12S TC 16
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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