457
ASUS43 KLOT 260701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-260800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 60 55 83 E8 30.20F TC 16
STERLING* PTCLDY 52 51 97 E3 30.23F TC 11
SAVANNA* CLOUDY 55 53 94 E5 30.23S TC 13
ILZ003-004-008-010-011-017-018-260800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 53 51 93 NE3 30.25F TC 12
FREEPORT* N/A 48 47 95 CALM 30.26S TC 9
DE KALB* CLEAR 49 49 100 E5 30.24F TC 10
ILZ005-006-012>014-019>023-260800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 53 49 86 CALM 30.22F TC 12
CHICAGO-MIDWAY PTCLDY 58 50 75 E6 30.23F TC 14
AURORA CLEAR 50 49 96 CALM 30.23F TC 10
JOLIET* CLEAR 51 50 95 CALM 30.23F TC 11
WAUKEGAN CLEAR 50 49 96 E5 30.23F TC 10
DUPAGE AIRPORT CLEAR 48 46 93 NE3 30.23F TC 9
WHEELING PTCLDY 51 50 96 CALM 30.24F TC 11
LANSING* CLEAR 48 47 95 CALM 30.23F TC 9
NORTHERLY ISL* N/A 61 51 70 E10 N/A TC 16
LMZ740>746-260800-
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 64 64 60/ 10/ 12 1022.1F 1/ 3
WAUKEGAN HARBOR 64 64 50/ 10/ 14 1022.7F 1/ 3
WILMETTE BUOY 63 80/ 10/ 14 1025.4F 1/ 3
CHICAGO BUOY 63 63 90/ 12/ 16 1022.3F 2/ 3
HARRISON CRIB 62 90/ 12/ 13 N/A
NORTHERLY ISL 61 80/ 10/ 12 N/A
CALUMET HARBOR 62 60/ 9/ 11 1023.6
MICHIGAN CITY 55 90/ 5/ 6 1023.1F
MICH CITY BUOY 58 60 100/ 8/ 10 N/A 1
ST. JOSEPH BUOY 53 52 60/ 2/ 4 1024.4F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-260800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 62 59 90 E8 30.16F TC 17
MACOMB* CLOUDY 60 59 95 E5 30.21F TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-260800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 56 52 86 NE7 30.21F TC 13
DECATUR PTCLDY 53 49 86 E3 30.19F TC 12
PEORIA PTCLDY 55 50 83 NE7 30.20F TC 13
SPRINGFIELD PTCLDY 60 49 66 E7 30.17F TC 16
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-260800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 59 49 69 E8 30.19F TC 15
MATTOON PTCLDY 56 49 77 CALM 30.18R TC 13
ILZ079-100>102-260800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLOUDY 64 56 75 E3 30.13F TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-260800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* PTCLDY 58 50 74 CALM 30.18S TC 15
MT. VERNON CLOUDY 64 51 62 N3 30.14F TC 18
CENTRALIA* CLOUDY 62 53 73 CALM 30.15F TC 17
SALEM* CLOUDY 64 54 70 MISG 30.15F TC 18
ILZ067-068-072-073-078-083-087-091-260800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 60 50 69 NE5 30.15F TC 16
FAIRFIELD* CLOUDY 63 50 63 CALM 30.14F TC 17
HARRISBURG* CLOUDY 63 54 72 CALM 30.14S TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page