321
ASUS43 KLOT 161406
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-161500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 69 61 75 E7 30.20S TC 21
STERLING* SUNNY 71 60 68 E3 30.23S TC 22
ILZ003-004-008-010-011-017-018-161500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 69 60 73 CALM 30.25S TC 21
ROCHELLE* SUNNY 71 57 60 E3 30.24S TC 22
DE KALB* SUNNY 70 60 71 SE3 30.26R TC 21
PERU* SUNNY 70 59 69 E6 30.23R HAZE TC 21
ILZ005-006-012>014-019>023-161500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 72 57 59 E5 30.23S TC 22
CHICAGO-MIDWAY MOSUNNY 74 54 49 SE5 30.24S TC 23
AURORA SUNNY 71 60 68 E6 30.24S TC 22
JOLIET* SUNNY 72 56 55 E3 30.24S TC 22
WAUKEGAN SUNNY 73 62 68 CALM 30.24S TC 23
DUPAGE AIRPORT SUNNY 71 56 58 E3 30.24S TC 22
KANKAKEE* SUNNY 66 55 68 E5 30.24S TC 19
WHEELING SUNNY 72 61 68 CALM 30.25F TC 22
MORRIS* SUNNY 67 61 80 CALM 30.23S TC 19
ROMEOVILLE* SUNNY 70 57 64 E6 30.24S TC 21
LANSING* SUNNY 68 54 59 CALM 30.24S TC 20
NORTHERLY ISL* N/A 72 61 68 NE5 N/A TC 22
LMZ740>746-161500-
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 67 67 90/ 6/ 6 1024.7R 1
WINTHROP HARBOR 71 70 CALM / 2 N/A 1/ 3
WAUKEGAN HARBOR 72 69 N/A 1/ 3
WILMETTE BUOY 71 100/ 4/ 6 1026.7R 1/ 3
CHICAGO BUOY 71 65 70/ 4/ 6 1024.4S 1/ 3
HARRISON CRIB 70 80/ 5/ 6 N/A
NORTHERLY ISL 71 60/ 3/ 5 N/A
CALUMET HARBOR 71 50/ 6/ 7 1022.9R
BURNS HARBOR 68 60/ 4/ 5 1024.4S
MICHIGAN CITY 66 30/ 5/ 5 1023.2R
MICH CITY BUOY 66 1022.4R
ST. JOSEPH BUOY 66 68 40/ 6/ 6 1024.9F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-161500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 73 61 65 E3 30.18S TC 23
GALESBURG* SUNNY 71 58 64 CALM 30.22R TC 22
MACOMB* SUNNY 70 60 70 E5 30.22S TC 21
JACKSONVILLE* SUNNY 70 58 66 E5 30.19S TC 21
PITTSFIELD* SUNNY 73 61 66 CALM 30.19S TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-161500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 71 56 59 E3 30.23R TC 22
BLOOMINGTON SUNNY 69 59 70 E5 30.23R TC 21
DECATUR SUNNY 73 58 59 E6 30.21R TC 23
PEORIA SUNNY 71 57 61 E6 30.21R TC 22
LACON* SUNNY 67 57 70 NE3 30.22R TC 20
LINCOLN* SUNNY 71 59 66 E5 30.21R TC 21
SPRINGFIELD SUNNY 69 58 67 E6 30.20R TC 21
TAYLORVILLE MOSUNNY 73 57 56 MISG 30.20R TC 23
ILZ033-039-045-046-055>057-062-063-161500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 71 56 58 E8 30.21R TC 22
DANVILLE* SUNNY 69 55 61 E5 30.22S TC 21
RANTOUL* SUNNY 71 53 53 E8 30.21S TC 22
MATTOON MOSUNNY 69 57 65 E5 30.19R TC 21
ILZ079-100>102-161500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 72 63 73 VRB3 30.18R TC 22
BELLEVILLE SUNNY 76 65 69 CALM 30.14R TC 25
CAHOKIA* SUNNY 75 65 70 N3 30.16R TC 24
SPARTA* PTSUNNY 75 67 76 NE3 30.16S TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-161500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 72 66 81 E3 30.14S TC 22
CAIRO* SUNNY 77 70 79 CALM 30.14R TC 25
EFFINGHAM* SUNNY 73 61 65 CALM 30.19S TC 23
MARION SUNNY 73 66 78 CALM 30.14S TC 23
MT. VERNON SUNNY 76 65 68 NE7 30.16R TC 24
CENTRALIA* MOSUNNY 76 64 65 E3 30.16S TC 25
SALEM* SUNNY 77 63 63 NE5 30.16S TC 25
ILZ067-068-072-073-078-083-087-091-161500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 73 60 63 NE6 30.17R TC 23
FLORA* SUNNY 72 63 73 NE6 30.17S TC 22
FAIRFIELD* SUNNY 73 64 74 CALM 30.15S TC 23
HARRISBURG* SUNNY 76 65 68 MISG 30.15S TC 25
ROBINSON* MOSUNNY 72 61 68 N5 30.17R TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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