327
ASUS43 KLOT 152201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CDT MON SEP 15 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.
ILZ001-002-007-009-015-016-024-152300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 89 62 40 E10 30.08S HX 89 TC 32
STERLING* SUNNY 89 57 33 E10 30.12S HX 88 TC 32
ILZ003-004-008-010-011-017-018-152300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 86 56 35 E7 30.15F HX 85 TC 30
ILZ005-006-012>014-019>023-152300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 81 56 42 NE13 30.16S HX 81 TC 27
CHICAGO-MIDWAY MOSUNNY 82 58 43 E13 30.16S HX 82 TC 28
AURORA SUNNY 86 57 37 E5 30.14S HX 85 TC 30
JOLIET* SUNNY 87 56 35 E6 30.14S HX 85 TC 30
WAUKEGAN SUNNY 77 60 55 E8 30.19R TC 25
DUPAGE AIRPORT SUNNY 83 57 41 E13 30.15S HX 82 TC 28
WHEELING SUNNY 78 62 57 NE8 30.19S HX 80 TC 26
MORRIS* SUNNY 86 58 38 E7 30.12S HX 85 TC 30
ROMEOVILLE* SUNNY 84 61 45 NE12 30.15F HX 84 TC 29
LANSING* SUNNY 79 63 56 NE9 30.16S HX 81 TC 26
NORTHERLY ISL* N/A 74 62 66 NE7 N/A TC 23
LMZ740>746-152300-
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 70 68 20/ 6/ 6 1022.2F
WINTHROP HARBOR 70 69 30/ 4/ 6 N/A 1/ 3
WAUKEGAN HARBOR 71 70 N/A 1/ 4
WILMETTE BUOY 71 40/ 8/ 10 1024.3R 1/ 3
CHICAGO BUOY 72 66 20/ 6/ 8 1022.0S 1/ 3
HARRISON CRIB 72 40/ 10/ 10 N/A
NORTHERLY ISL 74 10/ 7/ 8 N/A
CALUMET HARBOR 74 10/ 7/ 12 1020.4
BURNS HARBOR 74 70/ 5/ 6 1022.0S
MICHIGAN CITY 72 40/ 9/ 10 1020.2R
MICH CITY BUOY 76 1019.8R
ST. JOSEPH BUOY 72 69 340/ 14/ 16 1022.2R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-152300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 88 63 43 E3 30.09R HX 89 TC 31
GALESBURG* SUNNY 88 57 34 NE7 30.10R HX 86 TC 31
MACOMB* MOSUNNY 91 61 36 E9 30.10R HX 90 TC 33
PITTSFIELD* MOSUNNY 91 62 37 CALM 30.09R HX 91 TC 33
ILZ028>032-037-038-041>044-048-051>054-059>061-152300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 89 57 33 NE7 30.11S HX 88 TC 32
DECATUR SUNNY 92 56 29 E10G17 30.08S HX 90 TC 33
PEORIA SUNNY 90 55 30 NE13 30.08S HX 88 TC 32
LACON* SUNNY 89 54 30 E8 30.09S HX 86 TC 31
LINCOLN* SUNNY 91 57 31 E9 30.07S HX 90 TC 33
SPRINGFIELD SUNNY 91 55 29 E12 30.05F HX 89 TC 33
TAYLORVILLE SUNNY 91 55 29 MISG 30.06S HX 89 TC 33
ILZ033-039-045-046-055>057-062-063-152300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 90 55 30 NE8 30.10S HX 88 TC 32
DANVILLE* SUNNY 88 56 33 NE6 30.12R HX 86 TC 31
RANTOUL* SUNNY 89 53 29 E8 30.11S HX 86 TC 31
MATTOON MOSUNNY 89 56 32 SE10 30.07S HX 87 TC 32
ILZ079-100>102-152300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 91 59 33 E8 30.05R HX 90 TC 33
BELLEVILLE SUNNY 94 60 32 CALM 30.02R HX 93 TC 34
CAHOKIA* SUNNY 93 60 33 VRB3 30.04R HX 93 TC 34
SPARTA* PTSUNNY 92 60 34 E7 30.06R HX 92 TC 33
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 92 64 39 E8 30.02R HX 93 TC 33
CAIRO* SUNNY 91 70 50 S3 30.02R HX 96 TC 33
EFFINGHAM* CLOUDY 90 60 36 E5 30.08S HX 90 TC 32
MARION MOSUNNY 93 64 38 SE12 30.02S HX 95 TC 34
MT. VERNON MOSUNNY 93 64 38 SE5 30.04R HX 94 TC 34
CENTRALIA* MOSUNNY 94 59 31 E9 30.04S HX 93 TC 34
SALEM* PTSUNNY 93 61 34 E3 30.04S HX 93 TC 34
METROPOLIS* SUNNY 91 62 38 CALM 30.02S HX 92 TC 33
ILZ067-068-072-073-078-083-087-091-152300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 90 62 39 SE5 30.06S HX 90 TC 32
FLORA* SUNNY 90 63 40 NE10 30.05S HX 90 TC 32
FAIRFIELD* MOSUNNY 90 61 37 E5 30.04S HX 90 TC 32
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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