807
ASUS43 KLOT 151701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-151800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 85 66 53 E7 30.14S HX 87 TC 29
STERLING* SUNNY 86 64 47 SE6 30.17S HX 87 TC 30
ILZ003-004-008-010-011-017-018-151800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 83 55 38 VRB7 30.20S HX 82 TC 28
ILZ005-006-012>014-019>023-151800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 80 59 48 NE6 30.19S HX 81 TC 27
CHICAGO-MIDWAY MOSUNNY 81 60 48 VRB7 30.19S HX 82 TC 27
AURORA SUNNY 84 61 45 E7 30.19R HX 84 TC 29
JOLIET* SUNNY 83 60 45 SE6 30.19S HX 84 TC 29
WAUKEGAN SUNNY 76 61 59 E9 30.21S TC 24
DUPAGE AIRPORT SUNNY 82 59 45 VRB6 30.19S HX 82 TC 28
WHEELING SUNNY 78 63 59 E6 30.22R HX 80 TC 26
MORRIS* SUNNY 81 61 49 CALM 30.18S HX 82 TC 27
ROMEOVILLE* SUNNY 81 63 54 E7 30.20S HX 82 TC 27
LANSING* SUNNY 79 61 53 SE3 30.20S HX 80 TC 26
NORTHERLY ISL* N/A 72 61 68 NE8 N/A TC 22
LMZ740>746-151800-
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 80/ 8/ 8 1023.7S
WINTHROP HARBOR 69 68 130/ 6/ 10 N/A 2/ 3
WAUKEGAN HARBOR 69 70 N/A 1/ 3
WILMETTE BUOY 69 90/ 10/ 14 1025.2S 2/ 3
CHICAGO BUOY 70 66 70/ 8/ 10 1023.2F 2/ 3
HARRISON CRIB 69 80/ 10/ 10 N/A
NORTHERLY ISL 72 60/ 5/ 7 N/A
CALUMET HARBOR 71 50/ 7/ 9 1021.6
BURNS HARBOR 71 30/ 4/ 6 1023.0F
MICHIGAN CITY 77 100/ 8/ 9 1021.0F
MICH CITY BUOY 79 1020.9F
ST. JOSEPH BUOY 74 69 70/ 6/ 10 1023.8S 0
ILZ025>027-034>036-040-047-049-050-058-095>099-151800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 87 67 51 VRB5 30.12R HX 90 TC 31
GALESBURG* MOSUNNY 86 64 48 SE8 30.16S HX 87 TC 30
MACOMB* MOSUNNY 88 65 46 SE8 30.16S HX 89 TC 31
PITTSFIELD* MOSUNNY 88 66 48 E7 30.13S HX 90 TC 31
ILZ028>032-037-038-041>044-048-051>054-059>061-151800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 87 59 38 E10 30.17S HX 86 TC 31
DECATUR SUNNY 90 58 33 E10 30.14S HX 89 TC 32
PEORIA SUNNY 88 59 37 E9 30.14S HX 87 TC 31
LACON* SUNNY 84 60 44 CALM 30.15S HX 84 TC 29
LINCOLN* SUNNY 88 60 38 SE8 30.14S HX 87 TC 31
SPRINGFIELD SUNNY 87 62 43 E12 30.13S HX 87 TC 31
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-151800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 89 57 33 E7G17 30.15F HX 88 TC 32
DANVILLE* SUNNY 86 59 39 E5 30.17S HX 86 TC 30
RANTOUL* SUNNY 85 55 34 NE8 30.16S HX 84 TC 30
MATTOON SUNNY 88 56 33 SE12 30.13S HX 86 TC 31
ILZ079-100>102-151800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 86 68 54 E6 30.12R HX 89 TC 30
CAHOKIA* MOSUNNY 87 69 54 NE5 30.09S HX 91 TC 31
SPARTA* SUNNY 88 69 53 E8 30.10S HX 92 TC 31
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 85 70 60 E3 30.08S HX 89 TC 29
CAIRO* SUNNY 88 68 51 SE5 30.08S HX 92 TC 31
EFFINGHAM* MOSUNNY 87 63 44 E7 30.14S HAZE HX 88
MT. VERNON PTSUNNY 87 68 52 E6 30.10F HX 90 TC 31
CENTRALIA* SUNNY 90 65 43 E8 30.10S HX 92 TC 32
SALEM* SUNNY 89 65 44 E7 30.11S HX 91 TC 32
METROPOLIS* SUNNY 85 66 54 SE7 30.09S HX 87 TC 29
ILZ067-068-072-073-078-083-087-091-151800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 87 64 46 SE6 30.12S HX 88 TC 31
FLORA* SUNNY 88 64 45 SE9 30.11S HX 89 TC 31
FAIRFIELD* MOSUNNY 89 64 44 SE5 30.10S HX 90 TC 31
HARRISBURG* MOSUNNY 88 66 49 MISG 30.09S HX 90 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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