631
ASUS43 KLOT 170612
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT WED SEP 17 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.
ILZ001-002-007-009-015-016-024-170700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 63 59 87 E5 30.11F TC 17
6HR MIN TEMP: 63; 6HR MAX TEMP: 78;
STERLING* CLEAR 63 58 83 E3 30.14F TC 17
ILZ003-004-008-010-011-017-018-170700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 61 57 87 CALM 30.16S TC 16
6HR MIN TEMP: 60; 6HR MAX TEMP: 79;
ROCHELLE* CLEAR 59 54 82 CALM 30.15S TC 15
DE KALB* CLEAR 61 55 82 CALM 30.16S TC 16
PERU* CLEAR 58 55 88 CALM 30.13S TC 15
ILZ005-006-012>014-019>023-170700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 66 59 78 CALM 30.13S TC 19
6HR MIN TEMP: 65; 6HR MAX TEMP: 75;
CHICAGO-MIDWAY CLEAR 69 61 75 E5 30.13F TC 21
6HR MIN TEMP: 69; 6HR MAX TEMP: 76;
AURORA CLEAR 57 53 86 CALM 30.14F TC 14
6HR MIN TEMP: 57; 6HR MAX TEMP: 75;
JOLIET* CLEAR 56 55 97 CALM 30.13F TC 13
WAUKEGAN FOG 58 55 90 CALM 30.14S VSB 3/4 TC 14
6HR MIN TEMP: 57; 6HR MAX TEMP: 70;
DUPAGE AIRPORT CLEAR 59 53 80 CALM 30.14S TC 15
6HR MIN TEMP: 58; 6HR MAX TEMP: 75;
KANKAKEE* CLEAR 59 55 88 E3 30.14S TC 15
WHEELING CLEAR 61 58 90 CALM 30.15F TC 16
6HR MIN TEMP: 61; 6HR MAX TEMP: 74;
MORRIS* CLEAR 60 56 87 CALM 30.12F TC 15
ROMEOVILLE* CLEAR 63 59 88 NE5 30.14F TC 17
LANSING* CLEAR 57 57 99 CALM 30.14F TC 14
NORTHERLY ISL* N/A 67 61 81 E3 N/A TC 19
LMZ740>746-170700-
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/ 6/ 6 1020.6S 0
WINTHROP HARBOR 67 70 290/ 2/ 4 N/A 0
WAUKEGAN HARBOR 67 71 N/A 0
WILMETTE BUOY 71 90/ 8/ 12 1022.4F 1
CHICAGO BUOY 71 66 80/ 6/ 8 1020.9 1
HARRISON CRIB 71 90/ 7/ 9 N/A
NORTHERLY ISL 66 70/ 4/ 4 N/A
CALUMET HARBOR 70 50/ 6/ 7 1019.4
BURNS HARBOR 67 80/ 4/ 4 1021.0S
MICHIGAN CITY 65 60/ 6/ 6 1019.2F
ST. JOSEPH BUOY 67 68 20/ 6/ 8 1021.3F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-170700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 70 55 59 E7 30.11R TC 21
GALESBURG* CLEAR 67 55 64 SE3 30.14S TC 19
MACOMB* CLEAR 60 55 86 CALM 30.14S TC 15
JACKSONVILLE* CLEAR 62 53 72 E6 30.11S TC 17
PITTSFIELD* CLEAR 67 57 69 NE3 30.12S TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-170700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 55 52 90 CALM 30.13S TC 13
BLOOMINGTON CLEAR 60 56 86 E8 30.14F TC 16
DECATUR CLEAR 61 54 77 NE3 30.12S TC 16
PEORIA CLEAR 67 56 67 NE3 30.12S TC 19
6HR MIN TEMP: 67; 6HR MAX TEMP: 83;
LACON* CLEAR 59 53 79 CALM 30.12S TC 15
LINCOLN* CLEAR 61 55 81 CALM 30.12S TC 16
SPRINGFIELD CLEAR 62 55 77 CALM 30.11S TC 17
6HR MIN TEMP: 62; 6HR MAX TEMP: 77;
TAYLORVILLE CLEAR 66 54 63 MISG 30.11S TC 19
ILZ033-039-045-046-055>057-062-063-170700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 66 57 72 NE7 30.12F TC 19
DANVILLE* CLEAR 58 55 91 N3 30.13R TC 14
RANTOUL* CLEAR 65 55 72 NE8 30.12F TC 18
MATTOON CLEAR 64 52 64 CALM 30.10F TC 18
PARIS* CLEAR 61 51 70 N5 30.11S TC 16
ILZ079-100>102-170700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 69 55 60 MISG 30.09S TC 21
BELLEVILLE CLEAR 67 60 78 CALM 30.05F TC 20
CAHOKIA* CLEAR 69 59 70 CALM 30.07S TC 21
SPARTA* CLEAR 71 61 71 NE7 30.08F TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 65 62 90 CALM 30.06F TC 18
6HR MIN TEMP: 65; 6HR MAX TEMP: 83;
CAIRO* CLEAR 70 67 91 CALM 30.05F TC 21
EFFINGHAM* CLEAR 67 54 63 CALM 30.11F TC 19
MARION CLEAR 66 64 93 CALM 30.08S TC 19
MT. VERNON CLEAR 69 60 73 N5 30.09S TC 21
CENTRALIA* CLEAR 65 57 75 E3 30.09S TC 19
SALEM* CLEAR 71 57 59 CALM 30.09F TC 22
METROPOLIS* CLEAR 67 66 97 CALM 30.06F TC 19
ILZ067-068-072-073-078-083-087-091-170700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 65 59 81 CALM 30.08F TC 18
FLORA* CLEAR 64 59 82 CALM 30.09F TC 18
FAIRFIELD* CLEAR 67 57 71 CALM 30.08F TC 19
HARRISBURG* PTCLDY 65 58 79 MISG 30.07F TC 18
ROBINSON* CLEAR 59 57 94 NW2 30.08F TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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