114
ASUS43 KLOT 121201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.
ILZ001-002-007-009-015-016-024-121300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 53 53 100 E5 30.17R FOG TC 12
6HR MIN TEMP: 53; 6HR MAX TEMP: 59;
STERLING* CLEAR 55 55 100 E6 30.20S FOG TC 13
ILZ003-004-008-010-011-017-018-121300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 57 57 100 CALM 30.23R FOG TC 14
6HR MIN TEMP: 57; 6HR MAX TEMP: 60;
ILZ005-006-012>014-019>023-121300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 60 59 96 N6 30.21R TC 16
6HR MIN TEMP: 60; 6HR MAX TEMP: 64;
CHICAGO-MIDWAY PTCLDY 66 61 84 CALM 30.21R TC 19
6HR MIN TEMP: 62; 6HR MAX TEMP: 67;
AURORA FOG 57 56 96 NE5 30.21S VSB 1/4 TC 14
6HR MIN TEMP: 56; 6HR MAX TEMP: 61;
JOLIET* FOG 56 56 100 CALM 30.21S VSB 3/4 TC 13
WAUKEGAN FOG 59 56 89 CALM 30.22R VSB 1/4 TC 15
6HR MIN TEMP: 56; 6HR MAX TEMP: 61;
DUPAGE AIRPORT FOG 56 54 93 N3 30.21S VSB 1/4 TC 13
6HR MIN TEMP: 55; 6HR MAX TEMP: 62; 6HR PCP: TRACE;
WHEELING FOG 59 59 100 N3 30.23S VSB 1/4 TC 15
6HR MIN TEMP: 59; 6HR MAX TEMP: 62;
MORRIS* FOG 55 55 100 E3 30.19F VSB<1/4 TC 13
ROMEOVILLE* PTCLDY 61 61 100 NE5 30.22R FOG TC 16
LANSING* FOG 53 53 100 CALM 30.22R VSB<1/4 TC 11
LMZ740>746-121300-
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/ 6 1023.4R
WINTHROP HARBOR 61 67 240/ 4/ 4 N/A 1/ 4
WAUKEGAN HARBOR 61 68 N/A 1/ 4
WILMETTE BUOY 67 110/ 4/ 6 1024.6R 2/ 4
CHICAGO BUOY 68 65 100/ 4/ 6 1023.6R 2/ 5
HARRISON CRIB 68 100/ 3/ 3 N/A
CALUMET HARBOR 63 170/ 1/ 3 1022.0
BURNS HARBOR 65 170/ 4/ 6 1023.7R
MICHIGAN CITY 62 140/ 11/ 12 1022.3R
MICH CITY BUOY 59 1021.7R
ST. JOSEPH BUOY 65 68 120/ 4/ 6 1024.2R 1/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-121300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 62 58 86 E6 30.15R TC 17
GALESBURG* CLEAR 58 53 83 E6 30.18S TC 15
MACOMB* CLEAR 53 52 97 CALM 30.19S TC 12
JACKSONVILLE* CLEAR 56 55 98 E5 30.16S TC 13
PITTSFIELD* CLEAR 58 58 99 CALM 30.17R TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-121300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 58 52 80 SE8 30.21R TC 14
DECATUR CLEAR 57 52 83 E6 30.20R TC 14
PEORIA CLEAR 60 54 80 E3 30.18S TC 16
6HR MIN TEMP: 59; 6HR MAX TEMP: 67;
LACON* CLEAR 53 51 92 CALM 30.19R TC 12
LINCOLN* CLEAR 56 55 99 CALM 30.19S TC 13
SPRINGFIELD CLEAR 57 55 93 E3 30.17S TC 14
6HR MIN TEMP: 57; 6HR MAX TEMP: 63;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-121300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 58 52 80 E3 30.20S TC 14
DANVILLE* PTCLDY 55 51 87 CALM 30.22S TC 13
RANTOUL* PTCLDY 58 50 75 SE6 30.21R TC 14
MATTOON CLEAR 60 53 77 SE5 30.19R TC 16
ILZ079-100>102-121300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 61 59 94 VRB3 30.16S TC 16
BELLEVILLE MOCLDY 64 61 91 CALM 30.14R TC 18
CAHOKIA* CLEAR 59 58 96 CALM 30.15R TC 15
SPARTA* CLEAR 66 62 89 E3 30.16R TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 61 59 93 CALM 30.15S FOG TC 16
6HR MIN TEMP: 61; 6HR MAX TEMP: 64;
CAIRO* CLEAR 64 63 95 CALM 30.15S TC 18
EFFINGHAM* CLEAR 59 58 97 CALM 30.21R TC 15
MARION MOCLDY 66 61 82 SE7 30.16S TC 19
MT. VERNON CLEAR 58 58 100 CALM 30.17S FOG TC 14
CENTRALIA* PTCLDY 60 58 94 E3 30.17S TC 15
SALEM* CLEAR 66 59 78 E5 30.18R TC 19
METROPOLIS* PTCLDY 62 61 97 CALM 30.16R TC 17
ILZ067-068-072-073-078-083-087-091-121300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 59 57 93 NE5 30.19R TC 15
FLORA* CLEAR 57 57 100 CALM 30.19R TC 14
FAIRFIELD* CLEAR 61 58 90 CALM 30.18R TC 16
HARRISBURG* CLEAR 59 57 94 MISG 30.17S TC 15
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