594
ASUS43 KLOT 160501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT TUE SEP 16 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.
ILZ001-002-007-009-015-016-024-160600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 67 58 72 E6 30.15R TC 19
STERLING* PTCLDY 63 60 90 E5 30.18S TC 17
ILZ003-004-008-010-011-017-018-160600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 66 58 75 CALM 30.20S TC 19
ILZ005-006-012>014-019>023-160600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 68 62 81 N6 30.17F TC 20
CHICAGO-MIDWAY CLEAR 72 59 63 CALM 30.17F TC 22
AURORA CLEAR 64 58 80 NE5 30.18S TC 18
JOLIET* CLEAR 68 61 77 NE3 30.18S TC 20
WAUKEGAN CLEAR 65 63 93 N5 30.19S TC 18
DUPAGE AIRPORT CLEAR 64 59 83 N5 30.18F TC 18
WHEELING CLEAR 66 63 90 NW5 30.19F TC 19
MORRIS* CLEAR 63 60 88 CALM 30.17S TC 17
LANSING* CLEAR 64 62 93 CALM 30.19R TC 18
NORTHERLY ISL* N/A 69 64 84 NW3 N/A TC 21
LMZ740>746-160600-
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 70 67 90/ 8/ 10 1022.4F
WINTHROP HARBOR 70 70 20/ 4/ 6 N/A 1/ 3
WAUKEGAN HARBOR 70 70 N/A 1
WILMETTE BUOY 71 50/ 8/ 12 1024.0F 1/ 2
CHICAGO BUOY 71 66 40/ 8/ 12 1022.0F 1/ 3
HARRISON CRIB 71 50/ 12/ 13 N/A
NORTHERLY ISL 69 360/ 2/ 9 N/A
CALUMET HARBOR 70 20/ 5/ 6 1020.8
BURNS HARBOR 69 80/ 2/ 2 1022.4F
MICHIGAN CITY 68 90/ 4/ 6 1020.6F
MICH CITY BUOY 66 1020.3S
ST. JOSEPH BUOY 70 69 70/ 6/ 8 1022.9F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-160600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 69 64 84 NW3 30.13R TC 21
GALESBURG* PTCLDY 72 57 58 E6 30.16S TC 22
MACOMB* PTCLDY 65 59 81 NE3 30.17R TC 18
PITTSFIELD* PTCLDY 69 63 81 CALM 30.13S TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-160600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 64 59 83 E8 30.17S TC 18
DECATUR PTCLDY 67 57 70 CALM 30.14S TC 19
PEORIA PTCLDY 74 57 55 E8 30.15R TC 23
LACON* PTCLDY 67 58 72 E10 30.15R TC 20
LINCOLN* PTCLDY 67 58 72 E5 30.14S TC 20
SPRINGFIELD PTCLDY 71 56 58 E6 30.13R TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-160600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 71 56 58 NE7 30.15S TC 22
DANVILLE* CLEAR 67 56 67 NE6 30.16S TC 20
RANTOUL* CLEAR 68 56 66 NE6 30.16S TC 20
MATTOON CLEAR 69 58 67 E5 30.13S TC 21
ILZ079-100>102-160600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 71 62 74 MISG 30.10F TC 22
BELLEVILLE PTCLDY 73 64 73 CALM 30.07F TC 23
CAHOKIA* PTCLDY 69 64 84 CALM 30.08 TC 21
SPARTA* PTCLDY 75 65 72 E5 30.10S TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-160600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 69 67 93 CALM 30.08S TC 21
CAIRO* PTCLDY 70 67 89 CALM 30.07S TC 21
EFFINGHAM* CLEAR 70 62 77 CALM 30.14S TC 21
MARION PTCLDY 67 64 89 CALM 30.09F TC 20
MT. VERNON CLEAR 73 65 75 N3 30.10F TC 23
CENTRALIA* PTCLDY 69 62 78 E3 30.10F TC 21
SALEM* PTCLDY 77 63 61 NE3 30.11F TC 25
METROPOLIS* PTCLDY 72 70 96 CALM 30.08S TC 22
ILZ067-068-072-073-078-083-087-091-160600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 69 64 84 CALM 30.11S TC 21
FLORA* CLEAR 73 64 73 CALM 30.11S TC 23
FAIRFIELD* CLEAR 73 63 71 N3 30.10F TC 23
HARRISBURG* CLEAR 75 62 63 MISG 30.09S 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