450
ASUS43 KLOT 151006
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-151100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 66 64 93 E7 30.08R TC 19
STERLING* CLEAR 61 61 100 E3 30.12R TC 16
ILZ003-004-008-010-011-017-018-151100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 64 59 83 E3 30.15R TC 18
ROCHELLE* CLEAR 63 55 73 SE6 30.14R TC 17
DE KALB* CLEAR 61 58 88 E6 30.15S TC 16
PERU* CLEAR 62 59 89 NE3 30.12R TC 17
ILZ005-006-012>014-019>023-151100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 65 55 70 SE5 30.14R TC 18
CHICAGO-MIDWAY CLEAR 68 54 60 E3 30.14R TC 20
AURORA CLEAR 62 56 80 CALM 30.13S TC 17
JOLIET* CLEAR 65 55 70 CALM 30.13S TC 19
WAUKEGAN CLEAR 67 60 78 SE5 30.15R TC 19
DUPAGE AIRPORT CLEAR 59 54 83 CALM 30.14R TC 15
KANKAKEE* CLEAR 57 55 94 E5 30.14R TC 14
WHEELING CLEAR 62 59 90 CALM 30.16R TC 17
MORRIS* CLEAR 61 57 87 CALM 30.12R TC 16
ROMEOVILLE* CLEAR 66 57 72 E8 30.14S TC 19
LANSING* CLEAR 61 55 79 CALM 30.14S TC 16
LMZ740>746-151100-
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/ 8/ 10 1021.4R
WINTHROP HARBOR 70 66 140/ 8/ 12 N/A 1/ 3
WAUKEGAN HARBOR 70 69 N/A 1/ 3
WILMETTE BUOY 70 130/ 8/ 12 1022.6R 1/ 3
CHICAGO BUOY 70 65 120/ 6/ 8 1021.3 1/ 3
HARRISON CRIB 70 140/ 8/ 10 N/A
CALUMET HARBOR 69 120/ 5/ 7 1019.5
BURNS HARBOR 70 130/ 8/ 12 1021.0R
MICHIGAN CITY 67 120/ 9/ 12 1019.3R
MICH CITY BUOY 66 1019.1R
ST. JOSEPH BUOY 66 68 80/ 10/ 14 1021.9R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-151100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 70 66 87 E5 30.05R TC 21
GALESBURG* PTCLDY 68 62 81 E6 30.09R TC 20
MACOMB* MOCLDY 65 65 97 E6 30.09R TC 19
JACKSONVILLE* PTCLDY 68 67 98 E6 30.06S TC 20
PITTSFIELD* PTCLDY 70 68 95 CALM 30.07R TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-151100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 60 56 85 E5 30.12R TC 16
BLOOMINGTON CLEAR 62 57 83 E7 30.12R TC 17
DECATUR CLEAR 66 60 81 E5 30.09R TC 19
PEORIA CLEAR 70 60 70 E3 30.09R TC 21
LACON* CLEAR 63 57 81 CALM 30.10R TC 17
LINCOLN* CLEAR 65 63 92 CALM 30.09R TC 19
SPRINGFIELD CLEAR 67 65 93 NE6 30.07R TC 19
TAYLORVILLE CLEAR 70 64 83 MISG 30.07R TC 21
ILZ033-039-045-046-055>057-062-063-151100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 62 56 80 E8 30.10S TC 17
DANVILLE* CLEAR 62 56 83 E5 30.13R TC 17
RANTOUL* CLEAR 62 55 78 E6 30.11S TC 17
MATTOON CLEAR 64 61 90 CALM 30.08R TC 18
ILZ079-100>102-151100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 69 67 94 MISG 30.04R TC 21
CAHOKIA* PTCLDY 71 68 90 CALM 30.02R TC 22
SPARTA* PTCLDY 71 69 96 E3 30.04R TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 70 68 92 CALM 30.02R TC 21
EFFINGHAM* CLEAR 69 66 92 CALM 30.08R TC 20
MARION PTCLDY 67 66 96 CALM 30.03R TC 20
MT. VERNON PTCLDY 69 67 93 CALM 30.04R TC 21
CENTRALIA* PTCLDY 67 66 94 CALM 30.04S TC 20
SALEM* CLEAR 72 65 81 CALM 30.04R TC 22
METROPOLIS* PTCLDY 68 67 96 CALM 30.03R FOG TC 20
ILZ067-068-072-073-078-083-087-091-151100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 68 64 87 NE7 30.06R TC 20
FLORA* CLEAR 70 68 94 CALM 30.05R TC 21
FAIRFIELD* CLEAR 67 64 88 CALM 30.04R TC 20
HARRISBURG* CLEAR 66 64 94 MISG 30.03R TC 19
ROBINSON* CLEAR 61 61 100 N1 30.07R TC 16
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