555
ASUS43 KLOT 151401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM 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.
ILZ001-002-007-009-015-016-024-151500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 72 61 68 E3 30.12S TC 22
STERLING* SUNNY 72 61 68 E8 30.16R TC 22
ILZ003-004-008-010-011-017-018-151500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 70 58 65 E9G18 30.19R TC 21
ROCHELLE* SUNNY 72 55 56 SE9 30.17S TC 22
PERU* SUNNY 70 58 66 E6 30.16S TC 21
ILZ005-006-012>014-019>023-151500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 72 59 63 E7 30.18S TC 22
CHICAGO-MIDWAY SUNNY 74 57 55 E7 30.19R TC 23
AURORA SUNNY 71 59 65 E6 30.18S TC 22
JOLIET* SUNNY 73 60 63 SE6 30.19R TC 23
WAUKEGAN SUNNY 73 60 63 E10 30.20R TC 23
DUPAGE AIRPORT SUNNY 72 58 61 E6 30.19R TC 22
WHEELING SUNNY 72 62 71 E7 30.21R TC 22
MORRIS* SUNNY 67 59 76 E3 30.17R TC 19
ROMEOVILLE* SUNNY 70 61 73 E5 30.19R TC 21
LANSING* SUNNY 68 60 74 SE6 30.19S TC 20
NORTHERLY ISL* N/A 71 59 65 E7 N/A TC 22
LMZ740>746-151500-
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 67 100/ 8/ 10 1023.2R
WINTHROP HARBOR 69 66 N/A 1/ 3
WAUKEGAN HARBOR 70 69 N/A 1/ 3
WILMETTE BUOY 70 110/ 10/ 14 1024.4R 1/ 3
CHICAGO BUOY 70 65 80/ 8/ 10 1022.6R 1/ 3
HARRISON CRIB 70 100/ 11/ 11 N/A
NORTHERLY ISL 70 80/ 7/ 8 N/A
CALUMET HARBOR 70 50/ 7/ 9 1021.0
BURNS HARBOR 71 140/ 6/ 8 1022.4R
MICHIGAN CITY 69 120/ 9/ 11 1020.8R
MICH CITY BUOY 69 1020.4R
ST. JOSEPH BUOY 67 68 80/ 14/ 19 1023.1S 1
ILZ025>027-034>036-040-047-049-050-058-095>099-151500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 76 67 73 E8 30.09R TC 24
GALESBURG* MOSUNNY 74 61 64 E3 30.14S TC 23
MACOMB* MOSUNNY 75 66 74 SE7 30.13S TC 24
JACKSONVILLE* SUNNY 75 65 72 E3 30.11R TC 24
PITTSFIELD* MOSUNNY 76 68 76 E7 30.11S TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-151500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 70 57 64 E6 30.17R TC 21
BLOOMINGTON SUNNY 72 61 68 E6 30.16R TC 22
DECATUR SUNNY 75 59 57 E8 30.13R TC 24
PEORIA SUNNY 74 59 59 E6 30.13R TC 23
LACON* SUNNY 69 58 68 CALM 30.14R TC 20
LINCOLN* SUNNY 74 59 58 E5 30.13S TC 24
SPRINGFIELD SUNNY 74 61 63 E7 30.11R TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-151500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 72 58 61 E8 30.15R TC 22
DANVILLE* SUNNY 71 58 63 E5 30.16R TC 22
RANTOUL* SUNNY 70 57 64 E7 30.15S TC 21
MATTOON SUNNY 74 58 57 E8 30.11S TC 23
ILZ079-100>102-151500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 75 68 78 E8 30.09R TC 24
BELLEVILLE SUNNY 77 69 75 E6 30.06R TC 25
CAHOKIA* SUNNY 77 69 76 E5 30.07R TC 25
SPARTA* SUNNY 77 71 81 E6 30.08R TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 73 70 88 CALM 30.06R TC 23
CAIRO* SUNNY 79 70 73 E5 30.06R HX 82 TC 26
EFFINGHAM* MOSUNNY 74 63 68 NE3 30.12R HAZE TC 23
MARION SUNNY 75 68 78 CALM 30.06S TC 24
MT. VERNON SUNNY 76 67 73 NE6 30.08R TC 24
CENTRALIA* SUNNY 76 67 72 E5 30.08S TC 25
SALEM* SUNNY 77 66 69 E7 30.09R TC 25
METROPOLIS* SUNNY 73 72 96 CALM 30.06S TC 23
ILZ067-068-072-073-078-083-087-091-151500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 74 64 71 E5 30.11R TC 23
FLORA* SUNNY 75 64 69 E6 30.10R TC 24
FAIRFIELD* SUNNY 76 65 69 E6 30.08R TC 25
HARRISBURG* SUNNY 75 66 73 MISG 30.07S TC 24
ROBINSON* SUNNY 73 63 68 E7 30.11R TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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