927
ASUS43 KLOT 121401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-121500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 65 56 72 E5 30.18R TC 18
STERLING* MOSUNNY 64 64 100 E6 30.21S TC 18
ILZ003-004-008-010-011-017-018-121500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 63 59 87 E5 30.23S TC 17
ILZ005-006-012>014-019>023-121500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 68 63 84 E5 30.22S TC 20
CHICAGO-MIDWAY PTSUNNY 71 54 54 SE3 30.22S TC 22
AURORA SUNNY 69 61 75 E6 30.22R HAZE TC 21
JOLIET* SUNNY 69 57 65 SE5 30.22F TC 21
WAUKEGAN SUNNY 69 63 81 NE3 30.23S TC 21
DUPAGE AIRPORT SUNNY 66 61 84 E5 30.22S TC 19
WHEELING SUNNY 67 63 87 CALM 30.24S TC 19
MORRIS* SUNNY 63 63 100 E3 30.21F TC 17
ROMEOVILLE* MOSUNNY 66 61 82 SE6 30.23S TC 19
LANSING* N/A 63 59 85 SE3 30.23F TC 17
LMZ740>746-121500-
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 80/ 4/ 4 1023.9S
WINTHROP HARBOR 63 67 280/ 6/ 8 N/A 1/ 4
WAUKEGAN HARBOR 64 68 N/A 1/ 4
WILMETTE BUOY 67 130/ 6/ 8 1025.3F 1/ 4
CHICAGO BUOY 70 65 140/ 4/ 6 1023.9F 1/ 4
HARRISON CRIB 71 120/ 4/ 4 N/A
CALUMET HARBOR 68 130/ 1/ 3 1022.6
BURNS HARBOR 69 170/ 6/ 8 1024.0R
MICHIGAN CITY 67 140/ 3/ 5 1022.6R
MICH CITY BUOY 66 1022.2R
ST. JOSEPH BUOY 65 68 130/ 4/ 6 1024.7R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-121500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 71 60 68 SE5 30.15S TC 22
GALESBURG* PTSUNNY 66 56 70 SE5 30.20R TC 19
MACOMB* SUNNY 66 59 77 SE5 30.20S TC 19
JACKSONVILLE* SUNNY 68 60 74 SE5 30.17R TC 20
PITTSFIELD* SUNNY 69 62 80 CALM 30.17S TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-121500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 71 55 56 SE9 30.21S TC 22
DECATUR SUNNY 72 57 59 SE5 30.20R TC 22
PEORIA SUNNY 70 53 54 VRB3 30.18F TC 21
LACON* SUNNY 63 55 75 CALM 30.20R TC 17
LINCOLN* SUNNY 70 57 64 SE3 30.19S TC 21
SPRINGFIELD SUNNY 70 59 68 SE6 30.18R TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-121500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 70 54 56 E5 30.21S TC 21
DANVILLE* MOSUNNY 68 55 62 SE3 30.23R TC 20
RANTOUL* MOSUNNY 68 53 59 SE7 30.21S TC 20
MATTOON SUNNY 71 56 58 SE7 30.19S TC 22
ILZ079-100>102-121500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 68 63 83 E6 30.17S TC 20
BELLEVILLE SUNNY 73 64 74 E5 30.14S TC 23
CAHOKIA* SUNNY 72 62 71 SE5 30.15S TC 22
SPARTA* SUNNY 74 64 69 SE3 30.17F TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 73 64 73 SE3 30.15F TC 23
CAIRO* SUNNY 75 65 71 E3 30.16S TC 24
EFFINGHAM* MOSUNNY 72 59 64 E5 30.21S TC 22
MARION MOSUNNY 73 63 68 SE6 30.17R TC 23
MT. VERNON MOSUNNY 75 63 66 E3 30.18S TC 24
CENTRALIA* SUNNY 75 62 63 E3 30.17F TC 24
SALEM* SUNNY 74 60 61 SE3 30.18S TC 24
METROPOLIS* MOSUNNY 74 62 65 CALM 30.17S TC 23
ILZ067-068-072-073-078-083-087-091-121500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 70 60 70 E3 30.20S TC 21
FLORA* SUNNY 70 63 78 SE6 30.19S TC 21
FAIRFIELD* SUNNY 73 61 66 CALM 30.18S TC 23
HARRISBURG* SUNNY 74 62 67 MISG 30.18S TC 23
ROBINSON* SUNNY 68 59 73 E5 30.19S TC 20
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