827
ASUS43 KLOT 160811
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-160900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 63 59 87 E6 30.15F TC 17
STERLING* PTCLDY 60 59 96 E6 30.18F TC 16
ILZ003-004-008-010-011-017-018-160900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 60 58 92 CALM 30.21R TC 16
ROCHELLE* CLEAR 58 54 85 NE3 30.19S TC 15
DE KALB* CLEAR 58 58 99 NE3 30.21S TC 15
PERU* CLEAR 59 57 92 NE5 30.18S TC 15
ILZ005-006-012>014-019>023-160900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 65 63 93 CALM 30.18S TC 18
CHICAGO-MIDWAY CLEAR 67 60 78 CALM 30.19S TC 19
AURORA CLEAR 62 59 90 E3 30.19R FOG TC 17
JOLIET* CLEAR 59 58 97 CALM 30.18F TC 15
WAUKEGAN CLEAR 62 59 90 E5 30.19S TC 17
DUPAGE AIRPORT CLEAR 60 58 92 CALM 30.19S FOG TC 16
KANKAKEE* CLEAR 57 57 100 E5 30.18F TC 14
WHEELING CLEAR 64 62 93 CALM 30.20S TC 18
MORRIS* CLEAR 60 59 96 NE3 30.17F TC 16
ROMEOVILLE* CLEAR 63 63 100 NE5 30.19F TC 17
LANSING* CLEAR 59 59 100 CALM 30.20R TC 15
NORTHERLY ISL* N/A 68 63 84 SE3 N/A TC 20
LMZ740>746-160900-
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 68 67 120/ 10/ 12 1022.7R 1/ 3
WINTHROP HARBOR 71 70 130/ 4/ 6 N/A 1/ 3
WAUKEGAN HARBOR 71 70 N/A 1
WILMETTE BUOY 71 140/ 6/ 8 1024.3R 1/ 3
CHICAGO BUOY 70 66 150/ 4/ 4 1022.7 1/ 3
HARRISON CRIB 71 180/ 6/ 6 N/A
NORTHERLY ISL 67 CALM / 4 N/A
CALUMET HARBOR 70 160/ 2/ 4 1021.1R
BURNS HARBOR 70 140/ 4/ 9 1022.7R
MICHIGAN CITY 69 130/ 9/ 11 1020.8R
MICH CITY BUOY 68 1020.5S
ST. JOSEPH BUOY 67 68 90/ 14/ 17 1023.1S 1
ILZ025>027-034>036-040-047-049-050-058-095>099-160900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 67 61 81 NE5 30.13S TC 19
GALESBURG* PTCLDY 67 58 72 E3 30.17S TC 19
MACOMB* PTCLDY 61 58 90 CALM 30.17S TC 16
JACKSONVILLE* PTCLDY 61 55 83 E3 30.14R TC 16
PITTSFIELD* CLEAR 65 62 91 CALM 30.15R TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-160900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 62 56 82 E5 30.18S TC 17
BLOOMINGTON CLEAR 61 58 90 NE6 30.18S TC 16
DECATUR CLEAR 63 56 78 NE6 30.15S TC 17
PEORIA CLEAR 66 58 75 E7 30.15S TC 19
LACON* CLEAR 61 56 85 CALM 30.17S TC 16
LINCOLN* CLEAR 62 57 86 CALM 30.15S TC 17
SPRINGFIELD CLEAR 65 56 72 CALM 30.13S TC 18
TAYLORVILLE CLEAR 64 55 72 MISG 30.13S TC 18
ILZ033-039-045-046-055>057-062-063-160900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 64 55 72 E7 30.16R TC 18
DANVILLE* CLEAR 65 55 70 NE5 30.16S TC 18
RANTOUL* CLEAR 64 54 71 E6 30.16S TC 18
MATTOON CLEAR 64 57 78 CALM 30.13S TC 18
ILZ079-100>102-160900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 65 63 92 MISG 30.12R TC 18
BELLEVILLE CLEAR 69 65 88 CALM 30.08 TC 21
CAHOKIA* CLEAR 67 63 87 CALM 30.10S TC 19
SPARTA* CLEAR 71 66 85 CALM 30.11S TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-160900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 66 65 96 N3 30.08S FOG TC 19
CAIRO* PTCLDY 69 68 96 CALM 30.08S TC 21
EFFINGHAM* CLEAR 68 62 79 CALM 30.13S TC 20
MARION CLEAR 65 64 96 CALM 30.10R TC 19
MT. VERNON CLEAR 67 64 90 N5 30.10S TC 19
CENTRALIA* CLEAR 64 59 85 CALM 30.10S TC 18
SALEM* CLEAR 72 62 71 E3 30.11S TC 22
METROPOLIS* CLEAR 68 67 96 CALM 30.09S TC 20
ILZ067-068-072-073-078-083-087-091-160900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 69 64 84 NE9 30.11S TC 21
FLORA* CLEAR 68 64 88 CALM 30.11S TC 20
FAIRFIELD* CLEAR 69 63 80 CALM 30.09F TC 21
HARRISBURG* CLEAR 68 62 79 MISG 30.09S TC 20
ROBINSON* CLEAR 61 61 100 W3 30.11S TC 16
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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