333
ASUS43 KLOT 120810
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-120900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 57 55 93 E3 30.17S TC 14
STERLING* CLEAR 55 55 100 E5 30.20S TC 13
ILZ003-004-008-010-011-017-018-120900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 59 58 96 CALM 30.22S FOG TC 15
ROCHELLE* CLEAR 58 56 94 E5 30.21S TC 15
DE KALB* MOCLDY 59 59 100 E7 30.22S FOG TC 15
PERU* CLEAR 58 56 96 E3 30.20S FOG TC 14
ILZ005-006-012>014-019>023-120900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 63 60 90 NE6 30.20S TC 17
CHICAGO-MIDWAY PTCLDY 67 60 78 CALM 30.20F TC 19
AURORA FOG 60 58 92 E5 30.20F VSB 3/4 TC 16
JOLIET* PTCLDY 63 62 99 CALM 30.21S FOG TC 17
WAUKEGAN FOG 58 55 90 CALM 30.21S VSB 1/4 TC 14
DUPAGE AIRPORT MOCLDY 60 58 92 N6 30.21S TC 16
KANKAKEE* PTCLDY 57 57 100 E3 30.21F TC 14
WHEELING CLEAR 60 59 96 N3 30.23R TC 16
MORRIS* MOCLDY 58 58 100 CALM 30.20S FOG TC 14
ROMEOVILLE* MOCLDY 63 63 100 NE6 30.21F TC 17
LANSING* FOG 56 56 100 CALM 30.21S VSB 1/4 TC 13
LMZ740>746-120900-
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 40/ 6/ 6 1022.9 1/ 5
WINTHROP HARBOR 65 66 310/ 6/ 8 N/A 2/ 4
WAUKEGAN HARBOR 63 68 N/A 2/ 4
WILMETTE BUOY 67 40/ 6/ 8 1024.5F 2/ 4
CHICAGO BUOY 68 65 20/ 4/ 6 1023.4 2/ 4
HARRISON CRIB 68 50/ 6/ 6 N/A
CALUMET HARBOR 67 30/ 4/ 5 1021.8
BURNS HARBOR 65 80/ 2/ 3 1023.4S
MICHIGAN CITY 63 90/ 2/ 3 1021.9
MICH CITY BUOY 61 1021.3R
ST. JOSEPH BUOY 66 68 50/ 4/ 6 1023.5S 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-120900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 65 56 72 E8 30.13S TC 18
GALESBURG* CLEAR 62 55 77 E6 30.18S TC 17
MACOMB* CLEAR 55 54 94 NE3 30.18S TC 13
JACKSONVILLE* CLEAR 59 58 96 E6 30.15S TC 15
PITTSFIELD* CLEAR 59 59 99 CALM 30.15F TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-120900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 55 54 94 E3 30.20F TC 13
BLOOMINGTON MOCLDY 58 55 90 E8 30.20S TC 14
DECATUR PTCLDY 60 55 83 NE3 30.18S TC 16
PEORIA CLEAR 64 55 72 E7 30.17F TC 18
LACON* CLEAR 57 54 88 CALM 30.18F TC 14
LINCOLN* CLEAR 57 57 100 CALM 30.18S TC 14
SPRINGFIELD CLEAR 61 57 87 E7 30.16R TC 16
TAYLORVILLE CLEAR 64 59 82 MISG 30.16S TC 18
ILZ033-039-045-046-055>057-062-063-120900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 61 54 77 E7 30.19S TC 16
DANVILLE* PTCLDY 61 53 74 E5 30.20S TC 16
RANTOUL* MOCLDY 61 52 72 E6 30.19F TC 16
MATTOON CLEAR 65 56 72 S5 30.17S TC 18
ILZ079-100>102-120900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 62 58 85 MISG 30.14S TC 17
CAHOKIA* CLEAR 61 60 97 CALM 30.12S TC 16
SPARTA* CLEAR 66 61 82 CALM 30.14S TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-120900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 63 61 93 CALM 30.13R TC 17
CAIRO* MOCLDY 67 63 88 CALM 30.13R TC 19
EFFINGHAM* CLEAR 62 61 97 CALM 30.18S TC 17
MARION PTCLDY 62 61 96 CALM 30.15R TC 17
MT. VERNON PTCLDY 59 59 100 CALM 30.15S TC 15
CENTRALIA* PTCLDY 61 58 89 E3 30.15S TC 16
SALEM* CLEAR 67 60 78 CALM 30.15S TC 20
METROPOLIS* PTCLDY 65 61 87 CALM 30.14R TC 18
ILZ067-068-072-073-078-083-087-091-120900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 62 60 93 CALM 30.16S TC 17
FLORA* CLEAR 63 61 94 CALM 30.16S TC 17
FAIRFIELD* CLEAR 63 59 86 CALM 30.15S TC 17
HARRISBURG* CLEAR 61 58 91 MISG 30.14S TC 16
ROBINSON* CLEAR 57 57 100 S1 30.16S FOG TC 14
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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