393
ASUS43 KLOT 121601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CDT FRI SEP 12 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.
ILZ001-002-007-009-015-016-024-121700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 76 60 57 VRB3 30.17F TC 24
STERLING* MOSUNNY 77 59 53 VRB6 30.21F TC 25
ILZ003-004-008-010-011-017-018-121700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 75 60 59 SE6 30.22F TC 24
ILZ005-006-012>014-019>023-121700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 77 55 46 S6 30.22S TC 25
CHICAGO-MIDWAY MOSUNNY 77 52 41 S5 30.22F TC 25
AURORA MOSUNNY 78 57 48 S7 30.22F TC 26
JOLIET* MOSUNNY 78 57 48 S3 30.23S TC 26
WAUKEGAN MOSUNNY 76 62 62 SE6 30.22F TC 24
DUPAGE AIRPORT MOSUNNY 77 56 48 S7 30.22F TC 25
WHEELING MOSUNNY 77 60 55 CALM 30.24S TC 25
MORRIS* PTSUNNY 74 58 58 CALM 30.22S TC 23
ROMEOVILLE* SUNNY 77 57 50 VRB5 30.23F TC 25
LANSING* N/A 76 57 52 S3 30.24S TC 24
LMZ740>746-121700-
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 66 66 120/ 4/ 6 1023.7F
WINTHROP HARBOR 64 67 270/ 4/ 4 N/A 1/ 4
WAUKEGAN HARBOR 68 68 N/A 1
WILMETTE BUOY 69 160/ 4/ 6 1025.7F 1/ 4
CHICAGO BUOY 70 66 130/ 6/ 8 1024.1F 1/ 4
HARRISON CRIB 71 140/ 9/ 9 N/A
CALUMET HARBOR 72 90/ 3/ 5 1022.7F
BURNS HARBOR 75 200/ 3/ 5 1024.4S
MICHIGAN CITY 74 170/ 5/ 7 1022.6F
MICH CITY BUOY 75 1022.4S
ST. JOSEPH BUOY 67 69 180/ 2/ 2 1024.7F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-121700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 83 58 42 S9 30.15F HX 83 TC 28
GALESBURG* MOSUNNY 77 61 56 S5 30.20S TC 25
MACOMB* MOSUNNY 79 62 55 CALM 30.20F HX 81 TC 26
JACKSONVILLE* SUNNY 80 62 53 CALM 30.17F HX 82 TC 27
PITTSFIELD* SUNNY 83 61 47 S5 30.18S HX 83 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-121700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 81 59 47 S10 30.23R HX 81 TC 27
DECATUR SUNNY 83 60 45 SE8 30.21R HX 83 TC 28
PEORIA MOSUNNY 78 57 48 VRB7 30.19F TC 26
LACON* MOSUNNY 76 58 53 CALM 30.20F TC 24
LINCOLN* MOSUNNY 81 61 50 S7 30.20S HX 82 TC 27
SPRINGFIELD SUNNY 80 61 52 E5 30.18F HX 81 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-121700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 82 55 39 VRB6 30.22R HX 81 TC 28
DANVILLE* SUNNY 80 56 43 S3 30.23S HX 80 TC 27
RANTOUL* MOSUNNY 77 54 44 CALM 30.23R TC 25
MATTOON SUNNY 82 57 42 S9 30.20S HX 82 TC 28
ILZ079-100>102-121700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 81 64 57 E7 30.18S HX 82 TC 27
BELLEVILLE SUNNY 82 65 56 E3 30.15S HX 84 TC 28
CAHOKIA* SUNNY 82 65 56 CALM 30.16S HX 84 TC 28
SPARTA* SUNNY 86 63 45 E5 30.17F HX 87 TC 30
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 86 64 47 VRB5 30.16S HX 87 TC 30
CAIRO* MOSUNNY 84 67 56 S7 30.17R HX 87 TC 29
EFFINGHAM* SUNNY 83 60 45 E6 30.22S HX 83 TC 28
MARION MOSUNNY 77 63 61 SE7 30.17S TC 25
MT. VERNON SUNNY 85 62 46 S6 30.19S HX 85 TC 29
CENTRALIA* SUNNY 86 60 41 SE9 30.18F HX 86 TC 30
SALEM* SUNNY 85 60 42 S3 30.18F HX 84 TC 29
METROPOLIS* SUNNY 83 61 47 CALM 30.17S HX 84 TC 29
ILZ067-068-072-073-078-083-087-091-121700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 81 60 48 E5 30.20F HX 82 TC 27
FLORA* SUNNY 82 63 51 E7 30.20S HX 83 TC 28
FAIRFIELD* SUNNY 83 59 44 E5 30.19S HX 83 TC 28
HARRISBURG* SUNNY 85 61 44 MISG 30.18S HX 85 TC 29
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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