644
ASUS43 KLOT 122301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-130000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 84 62 47 SE5 30.04F HX 85 TC 29
STERLING* SUNNY 83 56 39 SE5 30.08F HX 82 TC 28
ILZ003-004-008-010-011-017-018-130000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 82 56 40 SE7 30.10S HX 82 TC 28
ILZ005-006-012>014-019>023-130000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 82 53 36 S8 30.09F HX 81 TC 28
CHICAGO-MIDWAY MOSUNNY 82 54 37 E12 30.11F HX 81 TC 28
AURORA SUNNY 82 58 43 SE8 30.10S HX 82 TC 28
JOLIET* MOSUNNY 83 57 41 SE6 30.11S HX 82 TC 28
WAUKEGAN MOSUNNY 76 58 53 SE7 30.11F TC 24
DUPAGE AIRPORT SUNNY 82 55 39 S7 30.10F HX 81 TC 28
WHEELING SUNNY 80 56 43 SE9 30.12F HX 80 TC 27
MORRIS* MOSUNNY 82 59 45 SE7 30.09S HX 82 TC 28
ROMEOVILLE* SUNNY 82 59 44 SE7 30.12S HX 82 TC 28
LANSING* N/A 80 58 46 S3 30.13S HX 80 TC 27
LMZ740>746-130000-
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 67 100/ 6/ 8 1020.3F
WINTHROP HARBOR 70 68 150/ 2/ 4 N/A 1
WAUKEGAN HARBOR 71 69 N/A 1/ 3
WILMETTE BUOY 71 140/ 8/ 12 1022.7R 1/ 2
CHICAGO BUOY 72 66 80/ 8/ 12 1020.3F 1/ 2
HARRISON CRIB 73 100/ 12/ 13 N/A
CALUMET HARBOR 74 60/ 9/ 11 1019.1
BURNS HARBOR 74 70/ 6/ 7 1020.7S
MICHIGAN CITY 72 40/ 9/ 9 1019.1F
MICH CITY BUOY 78 1018.7F
ST. JOSEPH BUOY 70 70 360/ 8/ 10 1021.4S 1
ILZ025>027-034>036-040-047-049-050-058-095>099-130000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 87 62 43 SE7 30.04S HX 87 TC 31
GALESBURG* MOSUNNY 83 60 45 SE3 30.07F HX 84 TC 29
MACOMB* SUNNY 87 63 45 SE5 30.07F HX 87 TC 30
PITTSFIELD* MOSUNNY 90 62 39 SE6 30.06S HX 90 TC 32
ILZ028>032-037-038-041>044-048-051>054-059>061-130000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 83 55 38 SE8 30.10F HX 82 TC 28
DECATUR MOSUNNY 88 54 31 S5 30.08F HX 86 TC 31
PEORIA MOSUNNY 86 56 35 SE7 30.07S HX 85 TC 30
LACON* SUNNY 83 57 41 SE3 30.07S HX 82 TC 28
LINCOLN* SUNNY 86 61 42 CALM 30.07S HX 86 TC 30
SPRINGFIELD SUNNY 88 57 34 S6 30.06S HX 87 TC 31
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-130000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 86 57 37 VRB6 30.10S HX 85 TC 30
DANVILLE* MOSUNNY 84 55 36 E5 30.12S HX 82 TC 29
RANTOUL* SUNNY 84 53 34 SE7 30.11S HX 83 TC 29
MATTOON MOSUNNY 83 59 44 SE9 30.10S HX 83 TC 28
ILZ079-100>102-130000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 86 66 51 SE5 30.06F HX 88 TC 30
BELLEVILLE SUNNY 89 63 41 CALM 30.03F HX 89 TC 32
CAHOKIA* SUNNY 91 63 39 SE6 30.04F HX 92 TC 33
SPARTA* SUNNY 91 58 33 E7 30.06S HX 90 TC 33
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-130000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 89 60 37 SE5 30.05F HX 89 TC 32
CAIRO* SUNNY 91 62 37 E7 30.06F HX 91 TC 33
EFFINGHAM* MOSUNNY 87 52 29 SE5 30.10S HX 85 TC 31
MARION SUNNY 90 59 35 E6 30.07S HX 89 TC 32
MT. VERNON MOSUNNY 89 57 33 E6 30.08S HX 88 TC 32
CENTRALIA* MOSUNNY 89 57 33 SE5 30.07S HX 88 TC 32
SALEM* MOSUNNY 89 55 31 SE3 30.07S HX 87 TC 32
METROPOLIS* MOSUNNY 90 54 28 CALM 30.07F HX 88 TC 32
ILZ067-068-072-073-078-083-087-091-130000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 81 63 54 E7 30.10S HX 82 TC 27
FLORA* MOSUNNY 86 61 42 E5 30.09S HX 86 TC 30
FAIRFIELD* MOSUNNY 86 55 34 SE3 30.08S HX 84 TC 30
HARRISBURG* MOSUNNY 88 52 28 MISG 30.07F HX 86 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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