498
ASUS43 KLOT 160410
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM 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.
ILZ001-002-007-009-015-016-024-160500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 71 58 63 E7 30.14R TC 22
STERLING* PTCLDY 64 60 87 E6 30.18R TC 18
ILZ003-004-008-010-011-017-018-160500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 68 58 70 E5 30.20S TC 20
ROCHELLE* PTCLDY 62 55 79 E7 30.19S TC 17
DE KALB* PTCLDY 64 58 83 E7 30.21S TC 18
PERU* PTCLDY 66 60 80 E6 30.17S TC 19
ILZ005-006-012>014-019>023-160500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 69 62 78 NE6 30.18S TC 21
CHICAGO-MIDWAY CLEAR 74 58 57 E7 30.18F TC 23
AURORA CLEAR 63 57 81 NE5 30.18S TC 17
JOLIET* CLEAR 69 61 74 NE5 30.18F TC 21
WAUKEGAN CLEAR 65 62 90 NE3 30.19F FOG TC 18
DUPAGE AIRPORT CLEAR 67 59 75 N3 30.19S TC 19
KANKAKEE* CLEAR 64 61 88 CALM 30.18F TC 18
WHEELING CLEAR 66 64 93 CALM 30.20F TC 19
MORRIS* CLEAR 62 60 91 CALM 30.17S TC 17
ROMEOVILLE* CLEAR 66 63 88 NE7 30.19S TC 19
LANSING* CLEAR 67 64 88 NE3 30.19S TC 20
LMZ740>746-160500-
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 60/ 6/ 8 1022.5F 1/ 3
WINTHROP HARBOR 70 70 20/ 4/ 6 N/A 1/ 3
WAUKEGAN HARBOR 70 70 N/A 1
WILMETTE BUOY 71 60/ 10/ 12 1024.2F 1/ 2
CHICAGO BUOY 71 66 30/ 10/ 12 1022.3F 1/ 3
HARRISON CRIB 72 50/ 13/ 13 N/A
NORTHERLY ISL 71 30/ 7 N/A
CALUMET HARBOR 70 40/ 4/ 5 1021.1
BURNS HARBOR 68 CALM / 1 1022.7S
MICHIGAN CITY 69 60/ 1/ 2 1020.9R
MICH CITY BUOY 68 1020.3F
ST. JOSEPH BUOY 72 69 60/ 4/ 6 1023.1R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-160500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 72 65 78 NE3 30.12R TC 22
GALESBURG* PTCLDY 74 56 53 E7 30.16R TC 24
MACOMB* MOCLDY 67 60 79 N3 30.16S TC 19
JACKSONVILLE* MOCLDY 67 57 69 E6 30.12S TC 20
PITTSFIELD* MOCLDY 70 64 83 CALM 30.13S TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-160500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 66 59 79 NE6 30.17S TC 19
BLOOMINGTON CLEAR 66 59 78 E8 30.17S TC 19
DECATUR PTCLDY 68 57 68 NE5 30.14S TC 20
PEORIA PTCLDY 75 57 53 E8 30.14F TC 24
LACON* PTCLDY 68 57 68 E10 30.14F TC 20
LINCOLN* PTCLDY 69 58 67 E6 30.14S TC 21
SPRINGFIELD PTCLDY 69 57 65 E6 30.12S TC 21
TAYLORVILLE PTCLDY 73 55 53 MISG 30.13S TC 23
ILZ033-039-045-046-055>057-062-063-160500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 72 56 57 NE6 30.15S TC 22
DANVILLE* CLEAR 70 56 59 NE6 30.17R TC 21
RANTOUL* CLEAR 70 57 63 NE7 30.16S TC 21
MATTOON CLEAR 70 58 65 CALM 30.13S TC 21
ILZ079-100>102-160500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 74 62 66 MISG 30.11S TC 23
BELLEVILLE PTCLDY 74 65 74 CALM 30.08S TC 23
SPARTA* PTCLDY 75 69 81 E3 30.10F TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-160500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 70 67 90 CALM 30.08S TC 21
CAIRO* PTCLDY 73 69 87 CALM 30.07S TC 23
EFFINGHAM* CLEAR 69 64 85 CALM 30.14R TC 21
MARION PTCLDY 71 64 78 CALM 30.10S TC 22
MT. VERNON PTCLDY 74 65 73 NE3 30.11R TC 23
CENTRALIA* PTCLDY 71 62 74 E3 30.11R TC 22
SALEM* PTCLDY 78 63 58 E3 30.12R HX 80 TC 26
METROPOLIS* PTCLDY 73 70 91 CALM 30.08S TC 23
ILZ067-068-072-073-078-083-087-091-160500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 70 65 84 CALM 30.11S TC 21
FLORA* CLEAR 73 64 73 NE5 30.12R TC 23
FAIRFIELD* CLEAR 73 63 69 N3 30.10S TC 23
HARRISBURG* CLEAR 77 63 61 MISG 30.09S TC 25
ROBINSON* CLEAR 66 64 94 CALM 30.11F TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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