457
ASUS43 KLOT 170401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM 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.
ILZ001-002-007-009-015-016-024-170500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 64 60 87 E3 30.11F TC 18
STERLING* CLEAR 63 59 87 E5 30.15S TC 17
ILZ003-004-008-010-011-017-018-170500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 67 58 72 CALM 30.16F TC 19
ROCHELLE* CLEAR 59 54 83 CALM 30.16F TC 15
DE KALB* CLEAR 64 56 77 E3 30.17F TC 18
ILZ005-006-012>014-019>023-170500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 67 56 67 NE3 30.15S TC 19
CHICAGO-MIDWAY PTCLDY 71 58 63 E6 30.15S TC 22
AURORA CLEAR 60 55 83 CALM 30.15S TC 16
JOLIET* CLEAR 61 58 90 CALM 30.15F TC 16
WAUKEGAN CLEAR 59 56 89 CALM 30.15F TC 15
DUPAGE AIRPORT CLEAR 61 54 77 CALM 30.15F TC 16
WHEELING CLEAR 63 59 87 CALM 30.17S TC 17
MORRIS* CLEAR 62 57 84 CALM 30.14S TC 17
LANSING* CLEAR 58 58 97 CALM 30.16S TC 15
LMZ740>746-170500-
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 69 68 60/ 4/ 6 1021.2F
WINTHROP HARBOR 68 71 290/ 2/ 4 N/A 0
WAUKEGAN HARBOR 68 71 N/A 0
WILMETTE BUOY 71 70/ 6/ 8 1023.2R 1
CHICAGO BUOY 71 66 20/ 2/ 4 1021.5S 1
HARRISON CRIB 71 60/ 4/ 5 N/A
NORTHERLY ISL 68 20/ 3/ 5 N/A
CALUMET HARBOR 68 20/ 3/ 3 1020.0F
BURNS HARBOR 68 80/ 4/ 5 1021.7S
MICHIGAN CITY 67 80/ 6/ 6 1019.7F
ST. JOSEPH BUOY 68 68 10/ 8/ 12 1021.9S 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-170500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 76 55 48 E6 30.11R TC 24
MACOMB* CLEAR 64 57 80 NE3 30.14F TC 18
PITTSFIELD* CLEAR 66 61 83 CALM 30.12S TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-170500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 63 57 81 E7 30.15S TC 17
DECATUR CLEAR 64 54 69 E3 30.13F TC 18
PEORIA CLEAR 72 56 57 E8 30.13S TC 22
LACON* CLEAR 67 55 64 E6 30.13S TC 20
LINCOLN* CLEAR 62 56 80 CALM 30.13S TC 17
SPRINGFIELD CLEAR 68 55 63 E6 30.11S TC 20
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-170500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 70 55 59 NE6 30.14S TC 21
DANVILLE* CLEAR 60 55 84 N5 30.14F TC 16
RANTOUL* CLEAR 65 56 72 E8 30.14S TC 19
MATTOON CLEAR 66 52 60 NE5 30.12S TC 19
PARIS* CLEAR 65 50 58 N5 30.13S TC 19
ILZ079-100>102-170500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 70 57 63 MISG 30.09F TC 21
BELLEVILLE CLEAR 72 60 67 NE3 30.06F TC 22
CAHOKIA* CLEAR 67 62 84 CALM 30.08F TC 19
SPARTA* CLEAR 71 63 76 CALM 30.09F TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 66 64 93 CALM 30.08S TC 19
CAIRO* CLEAR 71 68 90 CALM 30.07S TC 22
EFFINGHAM* CLEAR 69 55 62 CALM 30.13S TC 20
MARION CLEAR 68 61 77 CALM 30.09F TC 20
MT. VERNON CLEAR 64 62 93 CALM 30.10S TC 18
CENTRALIA* CLEAR 67 59 75 CALM 30.11R TC 20
SALEM* CLEAR 75 57 52 NE3 30.11S TC 24
METROPOLIS* CLEAR 71 64 80 CALM 30.08S TC 22
ILZ067-068-072-073-078-083-087-091-170500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 69 59 70 CALM 30.11R TC 21
FAIRFIELD* CLEAR 71 58 64 N7 30.10S TC 22
HARRISBURG* CLEAR 69 58 70 MISG 30.09S TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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