667
ASUS43 KLOT 122201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM 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.
ILZ001-002-007-009-015-016-024-122300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 88 61 40 S8 30.05S HX 88 TC 31
STERLING* SUNNY 86 54 33 SE6 30.09S HX 84 TC 30
ILZ003-004-008-010-011-017-018-122300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 84 56 38 SE7 30.10F HX 83 TC 29
ILZ005-006-012>014-019>023-122300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 83 53 35 S9 30.11S HX 82 TC 28
CHICAGO-MIDWAY PTSUNNY 84 52 33 S9 30.12R HX 82 TC 29
AURORA MOSUNNY 84 57 39 SE10 30.10F HX 83 TC 29
JOLIET* MOSUNNY 83 56 39 SE6 30.11S HX 83 TC 29
WAUKEGAN MOSUNNY 79 58 48 SE8 30.13R HX 80 TC 26
DUPAGE AIRPORT MOSUNNY 83 55 38 SE7 30.11S HX 82 TC 28
WHEELING MOSUNNY 83 55 38 SE7 30.13S HX 82 TC 28
MORRIS* MOSUNNY 85 58 40 SE7 30.09F HX 84 TC 29
ROMEOVILLE* SUNNY 84 57 39 VRB6 30.12S HX 83 TC 29
LANSING* N/A 82 56 41 SW7 30.13S HX 81 TC 28
LMZ740>746-122300-
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/ 6/ 8 1020.8F
WINTHROP HARBOR 71 68 CALM / 2 N/A 1/ 2
WAUKEGAN HARBOR 71 70 N/A 1
WILMETTE BUOY 71 150/ 10/ 14 1022.7R 1/ 2
CHICAGO BUOY 72 66 90/ 8/ 12 1020.5F 1/ 2
HARRISON CRIB 73 100/ 12/ 12 N/A
CALUMET HARBOR 74 60/ 9/ 12 1019.0
BURNS HARBOR 74 80/ 7/ 8 1020.7F
MICHIGAN CITY 72 40/ 8/ 9 1019.2F
MICH CITY BUOY 77 1018.7F
ST. JOSEPH BUOY 71 70 350/ 8/ 10 1021.5F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-122300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 91 61 36 S9 30.04F HX 91 TC 33
GALESBURG* MOSUNNY 87 59 39 S3 30.08S HX 86 TC 30
MACOMB* SUNNY 90 62 39 SE7 30.08S HX 90 TC 32
JACKSONVILLE* SUNNY 89 59 36 S7 30.06F HX 88 TC 32
PITTSFIELD* MOSUNNY 91 62 37 SE7 30.07S HX 92 TC 33
ILZ028>032-037-038-041>044-048-051>054-059>061-122300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 86 55 34 SE10 30.11S HX 84 TC 30
DECATUR MOSUNNY 90 55 30 S3 30.09F HX 88 TC 32
PEORIA SUNNY 87 56 34 S5 30.07S HX 85 TC 31
LACON* MOSUNNY 86 54 32 SE7 30.07S HX 84 TC 30
LINCOLN* SUNNY 89 54 30 S3 30.08S HX 87 TC 32
SPRINGFIELD SUNNY 89 57 33 E6 30.06F HX 88 TC 32
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-122300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 88 56 33 S9 30.10F HX 86 TC 31
DANVILLE* MOSUNNY 86 51 30 CALM 30.12F HX 84 TC 30
RANTOUL* SUNNY 85 52 31 S5 30.11S HX 83 TC 30
MATTOON MOSUNNY 85 57 38 SE8 30.10F HX 84 TC 29
ILZ079-100>102-122300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 90 63 40 SE6 30.07F HX 90 TC 32
BELLEVILLE SUNNY 92 61 34 SE3 30.04F HX 92 TC 34
CAHOKIA* SUNNY 93 61 34 SE5 30.05F HX 93 TC 34
SPARTA* MOSUNNY 93 56 28 S3 30.07F HX 91 TC 34
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-122300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 91 59 33 SE6 30.06F HX 90 TC 33
CAIRO* MOSUNNY 93 62 34 E5 30.07F HX 94 TC 34
EFFINGHAM* MOSUNNY 89 50 26 SE5 30.10F HX 86 TC 32
MT. VERNON MOSUNNY 91 56 30 E5 30.08F HX 89 TC 33
CENTRALIA* MOSUNNY 91 56 30 E5 30.07F HX 90 TC 33
SALEM* MOSUNNY 91 56 30 E5 30.08F HX 89 TC 33
METROPOLIS* MOSUNNY 90 54 28 CALM 30.08F HX 88 TC 32
ILZ067-068-072-073-078-083-087-091-122300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 86 59 39 E7 30.10F HX 85 TC 30
FLORA* MOSUNNY 86 55 35 SE7 30.09F HX 84 TC 30
FAIRFIELD* MOSUNNY 89 55 31 SE5 30.09F HX 87 TC 31
HARRISBURG* MOSUNNY 89 53 29 MISG 30.09S HX 87 TC 32
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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