489
ASUS43 KLOT 170510
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-170600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 68 57 68 E5 30.12R TC 20
STERLING* CLEAR 62 59 90 CALM 30.15S TC 17
ILZ003-004-008-010-011-017-018-170600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 64 57 78 CALM 30.16S TC 18
ROCHELLE* CLEAR 59 54 83 CALM 30.15S TC 15
DE KALB* CLEAR 63 56 77 E6 30.16F TC 17
PERU* CLEAR 58 55 87 E3 30.14S TC 15
ILZ005-006-012>014-019>023-170600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 67 59 75 CALM 30.13F TC 19
CHICAGO-MIDWAY CLEAR 70 60 70 E6 30.14F TC 21
AURORA CLEAR 59 54 83 N3 30.15S TC 15
JOLIET* CLEAR 59 56 92 CALM 30.14F TC 15
WAUKEGAN CLEAR 58 55 90 CALM 30.14F FOG TC 14
DUPAGE AIRPORT CLEAR 60 54 80 CALM 30.14F TC 16
KANKAKEE* N/A 59 55 88 CALM 30.15R FOG TC 15
WHEELING CLEAR 63 59 87 CALM 30.16F TC 17
MORRIS* CLEAR 60 56 89 CALM 30.13F TC 15
ROMEOVILLE* CLEAR 63 57 82 NE5 30.15S TC 17
LANSING* CLEAR 58 58 100 CALM 30.15F FOG TC 15
NORTHERLY ISL* N/A 67 62 84 NE2 N/A TC 19
LMZ740>746-170600-
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 50/ 6/ 8 1020.6F 0
WINTHROP HARBOR 67 71 200/ 2/ 2 N/A 0
WAUKEGAN HARBOR 67 71 N/A 0
WILMETTE BUOY 71 80/ 8/ 10 1022.8F 1
CHICAGO BUOY 71 66 70/ 2/ 4 1021.2 1
HARRISON CRIB 71 80/ 3/ 4 N/A
NORTHERLY ISL 67 20/ 3/ 4 N/A
CALUMET HARBOR 68 40/ 3/ 5 1019.7
BURNS HARBOR 67 80/ 4/ 4 1021.0F
MICHIGAN CITY 67 70/ 6/ 7 1019.7S
ST. JOSEPH BUOY 68 68 40/ 8/ 12 1021.5F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-170600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 73 55 53 E5 30.10F TC 23
GALESBURG* CLEAR 69 55 59 E6 30.13F TC 21
MACOMB* CLEAR 61 56 82 CALM 30.14S TC 16
JACKSONVILLE* CLEAR 63 53 69 E5 30.11S TC 17
PITTSFIELD* CLEAR 65 60 83 CALM 30.12S TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-170600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 58 54 85 CALM 30.14F TC 14
BLOOMINGTON CLEAR 61 56 83 E6 30.15S TC 16
DECATUR CLEAR 62 54 74 CALM 30.12F TC 17
PEORIA CLEAR 70 56 61 E6 30.12F TC 21
LACON* CLEAR 62 54 76 CALM 30.12F TC 16
LINCOLN* CLEAR 63 56 77 CALM 30.13S TC 17
SPRINGFIELD CLEAR 64 55 72 NE6 30.11S TC 18
TAYLORVILLE CLEAR 68 54 60 MISG 30.12S TC 20
ILZ033-039-045-046-055>057-062-063-170600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 67 57 70 NE8 30.13F TC 19
DANVILLE* CLEAR 60 56 85 N5 30.13S TC 16
RANTOUL* CLEAR 65 56 72 NE6 30.14R TC 19
MATTOON CLEAR 66 52 60 CALM 30.11F TC 19
PARIS* CLEAR 61 51 70 NE3 30.12F TC 16
ILZ079-100>102-170600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 71 55 56 MISG 30.09S TC 22
BELLEVILLE CLEAR 73 58 60 NE5 30.06S TC 23
CAHOKIA* CLEAR 67 61 81 CALM 30.07F TC 19
SPARTA* CLEAR 72 62 70 CALM 30.09S TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 66 64 93 E3 30.07F TC 19
CAIRO* PTCLDY 69 66 90 CALM 30.07S TC 21
EFFINGHAM* CLEAR 68 55 62 CALM 30.12F TC 20
MARION CLEAR 65 63 91 CALM 30.09S TC 18
MT. VERNON CLEAR 69 61 75 NE3 30.09F TC 21
CENTRALIA* CLEAR 67 59 73 E5 30.10S TC 20
SALEM* CLEAR 73 56 55 E3 30.10F TC 23
METROPOLIS* CLEAR 69 65 88 CALM 30.07F TC 20
ILZ067-068-072-073-078-083-087-091-170600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 66 60 81 NW3 30.10F TC 19
FLORA* CLEAR 64 59 82 CALM 30.10F TC 18
FAIRFIELD* CLEAR 69 58 68 CALM 30.09F TC 20
HARRISBURG* PTCLDY 67 59 74 MISG 30.08F TC 19
ROBINSON* CLEAR 57 55 94 NW2 30.09F TC 14
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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