256
ASUS43 KLOT 151501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-151600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 77 63 61 E7 30.13R TC 25
STERLING* SUNNY 78 59 51 E7 30.17R TC 26
ILZ003-004-008-010-011-017-018-151600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 74 59 59 E9 30.20R TC 23
ROCHELLE* SUNNY 76 55 48 SE8 30.18S TC 24
PERU* SUNNY 75 58 56 E8 30.17R TC 24
ILZ005-006-012>014-019>023-151600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 75 59 57 E8 30.19R TC 24
CHICAGO-MIDWAY SUNNY 76 58 53 E6 30.19S TC 24
AURORA SUNNY 76 59 55 E10 30.18S TC 24
JOLIET* SUNNY 77 59 54 E5 30.19S TC 25
WAUKEGAN SUNNY 75 61 61 E10 30.21R TC 24
DUPAGE AIRPORT SUNNY 75 59 57 E7 30.19S TC 24
WHEELING SUNNY 74 61 63 E6 30.22R TC 23
MORRIS* SUNNY 73 60 64 E6 30.18S TC 23
ROMEOVILLE* SUNNY 73 61 64 E6 30.20R TC 23
LANSING* SUNNY 73 60 65 E6 30.20S TC 23
NORTHERLY ISL* N/A 71 59 65 E6 N/A TC 22
LMZ740>746-151600-
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 1023.7R
WINTHROP HARBOR 69 66 N/A 1/ 3
WAUKEGAN HARBOR 70 69 N/A 1/ 3
WILMETTE BUOY 70 110/ 10/ 14 1025.0R 2/ 3
CHICAGO BUOY 70 65 80/ 6/ 8 1023.1R 1/ 3
HARRISON CRIB 69 100/ 8/ 9 N/A
NORTHERLY ISL 71 70/ 7/ 8 N/A
CALUMET HARBOR 70 60/ 5/ 8 1021.6
BURNS HARBOR 74 140/ 4/ 10 1023.0R
MICHIGAN CITY 72 120/ 9/ 11 1021.2R
MICH CITY BUOY 73 1021.0R
ST. JOSEPH BUOY 70 68 80/ 14/ 17 1023.6R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-151600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 81 68 64 SE7 30.10R HX 84 TC 27
GALESBURG* MOSUNNY 79 63 57 E6 30.15R HX 81 TC 26
MACOMB* MOSUNNY 80 66 63 SE7 30.14S HX 82 TC 26
JACKSONVILLE* SUNNY 79 65 62 E3 30.13R HX 81 TC 26
PITTSFIELD* MOSUNNY 81 68 65 E6 30.12R HX 83 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-151600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 80 59 48 E8 30.17R HX 81 TC 27
DECATUR SUNNY 80 59 48 E7 30.15R HX 81 TC 27
PEORIA SUNNY 79 60 52 E5 30.14R HX 80 TC 26
LACON* SUNNY 74 58 58 CALM 30.15R TC 23
LINCOLN* SUNNY 81 59 47 E6 30.14R HX 82 TC 27
SPRINGFIELD SUNNY 79 61 53 VRB5 30.13R HX 80 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-151600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 79 58 48 VRB5 30.16R HX 80 TC 26
DANVILLE* SUNNY 76 59 55 E6 30.17R TC 25
RANTOUL* SUNNY 77 56 49 E5 30.16S TC 25
MATTOON SUNNY 80 59 48 E7 30.12R HX 81 TC 27
ILZ079-100>102-151600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 79 68 69 E5 30.10R HX 81 TC 26
BELLEVILLE SUNNY 82 70 66 NE6 30.07R HX 85 TC 28
CAHOKIA* SUNNY 80 69 69 NW5 30.09R HX 83 TC 27
SPARTA* SUNNY 81 70 70 E6 30.09R HX 84 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 78 70 76 N5 30.07R HX 80 TC 26
CAIRO* SUNNY 82 71 67 CALM 30.07R HX 87 TC 28
EFFINGHAM* MOSUNNY 80 63 56 NE6 30.14R HX 81 TC 27
MARION SUNNY 81 68 65 NE5 30.07R HX 83 TC 27
MT. VERNON SUNNY 81 68 64 E7 30.09R HX 84 TC 27
CENTRALIA* SUNNY 82 67 60 E5 30.09S HX 85 TC 28
SALEM* SUNNY 82 66 58 SE3 30.10S HX 84 TC 28
METROPOLIS* SUNNY 78 69 72 E6 30.08R HX 81 TC 26
ILZ067-068-072-073-078-083-087-091-151600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 79 64 60 E5 30.12R HX 81 TC 26
FLORA* SUNNY 79 66 65 NE6 30.11R HX 81 TC 26
FAIRFIELD* SUNNY 81 65 59 E6 30.09S HX 83 TC 27
HARRISBURG* SUNNY 80 67 64 MISG 30.09R HX 82 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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