609
ASUS43 KLOT 121008
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-121100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 54 53 97 E5 30.16F TC 12
STERLING* CLEAR 55 55 100 E5 30.20S FOG TC 13
ILZ003-004-008-010-011-017-018-121100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 58 58 100 CALM 30.22S FOG TC 14
ROCHELLE* CLEAR 54 52 94 NE3 30.21S FOG TC 12
DE KALB* FOG 57 57 100 CALM 30.21F VSB 1/4 TC 14
PERU* CLEAR 56 56 98 NE3 30.19S FOG TC 14
ILZ005-006-012>014-019>023-121100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 62 61 96 N3 30.20S TC 17
CHICAGO-MIDWAY PTCLDY 62 58 86 CALM 30.21R TC 17
AURORA FOG 59 57 93 E6 30.20F VSB 1/4 TC 15
JOLIET* FOG 58 58 100 CALM 30.21S VSB 1 TC 15
WAUKEGAN FOG 59 56 89 CALM 30.21S VSB 1/4 TC 15
DUPAGE AIRPORT CLOUDY 60 59 96 N3 30.20S FOG TC 16
KANKAKEE* CLEAR 54 54 100 CALM 30.21S TC 12
WHEELING FOG 60 59 96 N3 30.22S VSB 3/4 TC 16
MORRIS* FOG 58 58 100 CALM 30.20S VSB 1 TC 14
ROMEOVILLE* CLOUDY 61 61 100 NE3 30.21S FOG TC 16
LANSING* FOG 56 56 100 CALM 30.21S VSB 1/2 TC 13
LMZ740>746-121100-
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 30/ 4/ 4 1023.4R
WINTHROP HARBOR 62 67 230/ 4/ 6 N/A 2/ 4
WAUKEGAN HARBOR 62 68 N/A 1/ 4
WILMETTE BUOY 67 60/ 6/ 8 1024.4S 2/ 4
CHICAGO BUOY 68 65 70/ 4/ 6 1023.4R 2/ 4
HARRISON CRIB 68 60/ 5/ 6 N/A
CALUMET HARBOR 67 80/ 4/ 5 1021.7
BURNS HARBOR 64 170/ 3/ 5 1023.4S
MICHIGAN CITY 60 130/ 4/ 5 1022.0R
MICH CITY BUOY 59 1021.1S
ST. JOSEPH BUOY 65 68 120/ 6/ 8 1023.6R 1/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-121100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 63 57 81 E6 30.13S TC 17
GALESBURG* CLEAR 59 54 82 E5 30.18S TC 15
MACOMB* CLEAR 55 53 95 CALM 30.19R TC 13
JACKSONVILLE* CLEAR 56 56 99 CALM 30.15S TC 14
PITTSFIELD* CLEAR 58 58 98 CALM 30.16R TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-121100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 55 53 92 E5 30.20R TC 13
BLOOMINGTON CLEAR 57 54 89 E7 30.20R TC 14
DECATUR CLEAR 58 54 86 CALM 30.18S TC 14
PEORIA CLEAR 62 55 77 E6 30.17S TC 17
LACON* CLEAR 54 52 91 CALM 30.18S FOG TC 12
LINCOLN* CLEAR 56 56 100 CALM 30.18R TC 14
SPRINGFIELD N/A 60 56 86 E7 30.16S TC 16
TAYLORVILLE CLEAR 63 57 82 MISG 30.16S TC 17
ILZ033-039-045-046-055>057-062-063-121100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 59 53 80 E6 30.19S TC 15
DANVILLE* CLEAR 54 51 89 CALM 30.21R TC 12
RANTOUL* MOCLDY 60 51 73 CALM 30.19S TC 15
MATTOON CLEAR 59 54 83 NE3 30.17S TC 15
ILZ079-100>102-121100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 60 58 94 MISG 30.15R TC 15
CAHOKIA* CLEAR 59 57 93 CALM 30.13S TC 15
SPARTA* MOCLDY 67 63 86 CALM 30.14S TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 61 60 97 CALM 30.13S TC 16
CAIRO* CLEAR 65 63 94 CALM 30.14R TC 18
EFFINGHAM* CLEAR 59 59 99 CALM 30.19S TC 15
MARION PTCLDY 65 60 85 SE3 30.15S TC 18
MT. VERNON CLEAR 58 58 100 N3 30.16R TC 14
CENTRALIA* PTCLDY 62 60 94 E3 30.15S TC 17
SALEM* CLEAR 66 60 78 E3 30.16R TC 19
METROPOLIS* CLEAR 63 62 97 CALM 30.14S TC 17
ILZ067-068-072-073-078-083-087-091-121100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 61 59 93 NE5 30.17R TC 16
FLORA* CLEAR 61 59 94 CALM 30.17S TC 16
FAIRFIELD* CLEAR 60 58 92 CALM 30.16S TC 16
HARRISBURG* CLEAR 61 59 94 MISG 30.15S TC 16
ROBINSON* CLOUDY 55 55 100 CALM 30.17S FOG TC 13
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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