423
ASUS43 KLOT 121101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT FRI SEP 12 2025
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.
ILZ001-002-007-009-015-016-024-121200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 54 52 93 E5 30.16S TC 12
STERLING* CLEAR 55 55 100 E5 30.20S FOG TC 13
ILZ003-004-008-010-011-017-018-121200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 58 58 100 CALM 30.22S FOG TC 14
ILZ005-006-012>014-019>023-121200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 62 60 93 N5 30.20S TC 17
CHICAGO-MIDWAY PTCLDY 63 58 83 CALM 30.20F TC 17
AURORA FOG 57 57 100 CALM 30.20S VSB 1/2 TC 14
JOLIET* FOG 56 56 100 CALM 30.21S VSB 3/4 TC 14
WAUKEGAN FOG 59 56 89 CALM 30.21S VSB 1/4 TC 15
DUPAGE AIRPORT PTCLDY 58 57 97 N5 30.20S FOG TC 14
WHEELING FOG 59 59 100 CALM 30.23R VSB 1/4 TC 15
MORRIS* FOG 57 57 100 CALM 30.20S VSB 1/4 TC 14
ROMEOVILLE* PTCLDY 61 61 100 NE3 30.21S FOG TC 16
LANSING* N/A 53 53 100 CALM 30.21S FOG TC 12
LMZ740>746-121200-
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)
S. MID LAKE BUOY 65 66 30/ 4/ 4 1023.1F
WINTHROP HARBOR 61 67 250/ 4/ 6 N/A 1/ 4
WAUKEGAN HARBOR 62 68 N/A 1/ 4
WILMETTE BUOY 67 110/ 4/ 6 1024.3F 2/ 4
CHICAGO BUOY 68 65 100/ 4/ 4 1023.3F 2/ 4
HARRISON CRIB 68 90/ 4/ 4 N/A
CALUMET HARBOR 64 CALM / 1 1021.7S
BURNS HARBOR 63 180/ 3/ 4 1023.4S
MICHIGAN CITY 62 140/ 11/ 12 1021.8F
MICH CITY BUOY 58 1021.1S
ST. JOSEPH BUOY 64 68 150/ 6/ 10 1023.7R 1/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-121200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 61 57 87 E6 30.14R TC 16
GALESBURG* CLEAR 58 53 84 E3 30.18S TC 15
MACOMB* CLEAR 53 52 97 E3 30.19S TC 12
JACKSONVILLE* CLEAR 56 56 99 E3 30.16R TC 13
PITTSFIELD* CLEAR 60 59 97 CALM 30.16S TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-121200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 56 53 90 SE3 30.20S TC 13
DECATUR CLEAR 54 51 90 E3 30.19R TC 12
PEORIA CLEAR 60 54 80 E5 30.18R TC 16
LACON* CLEAR 53 51 93 CALM 30.18S TC 12
LINCOLN* CLEAR 57 56 97 CALM 30.18S TC 14
SPRINGFIELD CLEAR 58 55 90 E3 30.17R TC 14
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-121200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 60 53 77 E5 30.20R TC 16
DANVILLE* CLEAR 54 50 86 E5 30.21S TC 12
RANTOUL* CLOUDY 59 51 75 CALM 30.20R TC 15
MATTOON CLEAR 60 54 80 CALM 30.18R TC 16
ILZ079-100>102-121200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 61 58 91 MISG 30.16R TC 16
CAHOKIA* CLEAR 59 59 100 CALM 30.13S TC 15
SPARTA* PTCLDY 67 62 84 SE3 30.15S TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 61 60 97 CALM 30.15R TC 16
CAIRO* PTCLDY 64 62 93 CALM 30.14S TC 18
EFFINGHAM* CLEAR 59 58 98 E3 30.19S TC 15
MARION MOCLDY 67 59 75 CALM 30.16R TC 19
MT. VERNON CLEAR 60 60 100 N3 30.17R TC 16
CENTRALIA* CLEAR 60 58 94 E5 30.16R TC 16
SALEM* CLEAR 67 59 77 E5 30.17R TC 19
METROPOLIS* CLEAR 63 62 97 CALM 30.15R TC 17
ILZ067-068-072-073-078-083-087-091-121200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 61 59 93 NE3 30.18R TC 16
FLORA* CLEAR 59 59 100 CALM 30.18S TC 15
FAIRFIELD* CLEAR 60 57 92 CALM 30.16S TC 15
HARRISBURG* CLEAR 59 57 94 MISG 30.16R TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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