945
ASUS43 KLOT 121501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-121600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 71 59 65 E6 30.19R TC 22
STERLING* MOSUNNY 71 61 70 E6 30.22R TC 22
ILZ003-004-008-010-011-017-018-121600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 70 61 73 VRB6 30.24R TC 21
ROCHELLE* MOSUNNY 72 57 60 SE6 30.22F TC 22
PERU* PTSUNNY 66 64 91 CALM 30.23R TC 19
ILZ005-006-012>014-019>023-121600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 73 59 61 SE3 30.22S TC 23
CHICAGO-MIDWAY PTSUNNY 74 53 48 S3 30.23R TC 23
AURORA MOSUNNY 73 57 57 SE5 30.23R TC 23
JOLIET* MOSUNNY 74 57 54 S5 30.23R TC 23
WAUKEGAN MOSUNNY 72 63 73 E5 30.23S TC 22
DUPAGE AIRPORT MOSUNNY 73 58 59 S5 30.23R TC 23
KANKAKEE* SUNNY 72 57 60 SE6 30.23S TC 22
WHEELING MOSUNNY 72 63 73 SE3 30.24S TC 22
MORRIS* MOSUNNY 70 58 66 SE5 30.22R TC 21
ROMEOVILLE* MOSUNNY 72 57 60 SE6 30.24R TC 22
LANSING* N/A 71 57 61 SE5 30.24R TC 22
LMZ740>746-121600-
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 66 66 100/ 4/ 4 1024.0R
WINTHROP HARBOR 64 67 270/ 4/ 6 N/A 1/ 4
WAUKEGAN HARBOR 65 68 N/A 1/ 4
WILMETTE BUOY 68 130/ 4/ 6 1025.9R 1/ 5
CHICAGO BUOY 70 65 140/ 4/ 6 1024.3R 1/ 4
HARRISON CRIB 71 140/ 4/ 5 N/A
CALUMET HARBOR 69 130/ 4/ 4 1022.7
BURNS HARBOR 73 180/ 4/ 5 1024.4R
MICHIGAN CITY 70 140/ 6/ 7 1022.8S
MICH CITY BUOY 71 1022.4R
ST. JOSEPH BUOY 66 69 200/ 2/ 2 1024.9R 1/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-121600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 78 61 55 S5 30.16R HX 80 TC 26
GALESBURG* MOSUNNY 72 58 62 SE5 30.20S TC 22
MACOMB* SUNNY 74 61 63 SE5 30.21R TC 23
JACKSONVILLE* SUNNY 74 61 63 CALM 30.18S TC 23
PITTSFIELD* SUNNY 76 63 62 E3 30.18S TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-121600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 72 56 58 SE5 30.22R TC 22
BLOOMINGTON MOSUNNY 76 56 49 SE8 30.22R TC 24
DECATUR SUNNY 79 58 48 SE8 30.20S HX 80 TC 26
PEORIA SUNNY 74 55 51 SE6 30.20R TC 23
LACON* MOSUNNY 69 55 61 CALM 30.21R TC 21
LINCOLN* SUNNY 77 59 54 S6 30.20R TC 25
SPRINGFIELD SUNNY 76 59 55 S6 30.19R TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-121600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 77 55 46 E7 30.21S TC 25
DANVILLE* SUNNY 74 56 52 SE3 30.23S TC 24
RANTOUL* MOSUNNY 74 54 49 SE6 30.22S TC 23
MATTOON SUNNY 78 55 44 SE8 30.20R TC 26
ILZ079-100>102-121600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 75 64 69 E5 30.18R TC 24
BELLEVILLE SUNNY 78 65 63 E5 30.15R HX 80 TC 26
CAHOKIA* SUNNY 77 64 64 CALM 30.16R TC 25
SPARTA* SUNNY 81 63 54 S3 30.18R HX 82 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 80 64 58 SE6 30.16R HX 82 TC 27
CAIRO* SUNNY 80 66 62 E5 30.17S HX 82 TC 27
EFFINGHAM* MOSUNNY 78 60 54 E7 30.22R TC 25
MT. VERNON SUNNY 81 62 52 SE6 30.19R HX 82 TC 27
CENTRALIA* SUNNY 82 61 48 SE6 30.19R HX 83 TC 28
SALEM* SUNNY 80 61 51 SE7 30.19R HX 81 TC 27
METROPOLIS* SUNNY 79 62 55 E3 30.17F HX 80 TC 26
ILZ067-068-072-073-078-083-087-091-121600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 76 61 59 E3 30.21R TC 24
FLORA* SUNNY 77 63 61 E6 30.20S TC 25
FAIRFIELD* SUNNY 79 61 53 SE3 30.19S HX 80 TC 26
HARRISBURG* SUNNY 80 62 52 MISG 30.18S HX 81 TC 27
ROBINSON* SUNNY 75 59 57 VRB3 30.20S TC 24
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