353
ASUS43 KLOT 151112
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT MON SEP 15 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.
ILZ001-002-007-009-015-016-024-151200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 66 62 87 E6 30.09R TC 19
STERLING* CLEAR 61 60 97 E3 30.13R TC 16
ILZ003-004-008-010-011-017-018-151200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 64 58 80 E3 30.15S TC 18
ROCHELLE* CLEAR 59 54 83 E6 30.14S TC 15
DE KALB* CLEAR 60 56 87 E6 30.16R TC 16
PERU* CLEAR 61 58 91 CALM 30.13R TC 16
ILZ005-006-012>014-019>023-151200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 65 55 70 E5 30.15R TC 18
CHICAGO-MIDWAY CLEAR 67 54 63 E6 30.15R TC 19
AURORA CLEAR 59 55 87 CALM 30.14R TC 15
JOLIET* CLEAR 64 55 75 CALM 30.15R TC 18
WAUKEGAN CLEAR 66 61 84 SE3 30.16R TC 19
DUPAGE AIRPORT CLEAR 57 54 89 CALM 30.15R TC 14
KANKAKEE* CLEAR 57 55 94 E6 30.15R TC 14
WHEELING CLEAR 61 58 90 CALM 30.17R TC 16
MORRIS* CLEAR 60 56 85 E3 30.13R TC 16
ROMEOVILLE* CLEAR 64 57 77 E6 30.15R TC 18
LANSING* CLEAR 62 55 79 E3 N/A TC 17
LMZ740>746-151200-
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 67 67 120/ 10/ 10 1021.9R
WINTHROP HARBOR 70 66 150/ 10/ 12 N/A 1/ 3
WAUKEGAN HARBOR 70 69 N/A 1/ 3
WILMETTE BUOY 70 110/ 10/ 12 1023.1R 1/ 3
CHICAGO BUOY 70 65 100/ 8/ 10 1021.7 1/ 3
HARRISON CRIB 70 100/ 8/ 8 N/A
CALUMET HARBOR 69 90/ 6/ 8 1019.8R
BURNS HARBOR 69 130/ 8/ 13 1021.3R
MICHIGAN CITY 67 120/ 9/ 11 1019.8R
MICH CITY BUOY 66 1019.6R
ST. JOSEPH BUOY 65 68 80/ 10/ 14 1022.5R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-151200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 70 66 87 CALM 30.07R TC 21
GALESBURG* CLEAR 68 61 79 E5 30.10S TC 20
MACOMB* PTCLDY 65 64 97 E3 30.10S TC 18
JACKSONVILLE* PTCLDY 66 65 97 E6 30.08R TC 19
PITTSFIELD* CLEAR 68 68 99 CALM 30.08R TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-151200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 59 56 89 CALM 30.13S TC 15
BLOOMINGTON CLEAR 61 57 87 E7 30.13R TC 16
DECATUR CLEAR 65 59 81 E6 30.10R TC 18
PEORIA CLEAR 67 60 78 E3 30.10R TC 19
LACON* CLEAR 61 56 83 CALM 30.11S TC 16
LINCOLN* CLEAR 64 62 94 CALM 30.10R TC 18
SPRINGFIELD CLEAR 66 64 93 NE5 30.08R TC 19
TAYLORVILLE CLEAR 70 64 83 MISG 30.08S TC 21
ILZ033-039-045-046-055>057-062-063-151200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 62 56 80 E8 30.11R TC 17
DANVILLE* CLEAR 61 56 85 E5 30.13S TC 16
RANTOUL* CLEAR 62 56 80 E6 30.12R TC 17
MATTOON CLEAR 64 60 87 CALM 30.08S TC 18
ILZ079-100>102-151200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 70 67 92 MISG 30.05R TC 21
BELLEVILLE CLEAR 69 67 92 CALM 30.02R TC 21
CAHOKIA* PTCLDY 69 68 96 CALM 30.03R TC 21
SPARTA* PTCLDY 70 69 96 CALM 30.04S TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 68 67 96 CALM 30.03S TC 20
EFFINGHAM* CLEAR 67 65 93 NE5 30.09R TC 20
MARION CLEAR 65 64 96 CALM 30.04R TC 18
MT. VERNON CLEAR 68 66 93 NE5 30.05R TC 20
CENTRALIA* CLEAR 67 65 95 CALM 30.05R TC 19
SALEM* CLEAR 71 65 83 E3 30.06R TC 22
METROPOLIS* PTCLDY 67 66 97 CALM 30.03S FOG TC 20
ILZ067-068-072-073-078-083-087-091-151200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 67 63 87 NE8 30.07R TC 19
FLORA* CLEAR 68 66 94 NE5 30.06R TC 20
FAIRFIELD* CLEAR 67 63 87 CALM 30.05R TC 20
HARRISBURG* CLEAR 64 63 95 MISG 30.04R TC 18
ROBINSON* PTCLDY 63 63 100 N3 30.07S TC 17
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