034
ASUS43 KLOT 160301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-160400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 72 59 63 E8 30.13S TC 22
STERLING* PTCLDY 66 59 78 E5 30.17S TC 19
ILZ003-004-008-010-011-017-018-160400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 70 58 65 E3 30.20S TC 21
ILZ005-006-012>014-019>023-160400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 71 62 73 NE7 30.18F TC 22
CHICAGO-MIDWAY CLEAR 74 60 61 CALM 30.19S TC 23
AURORA CLEAR 65 58 78 NE3 30.18S TC 18
JOLIET* CLEAR 70 60 70 E6 30.18F TC 21
WAUKEGAN CLEAR 66 63 90 NE6 30.20S FOG TC 19
DUPAGE AIRPORT CLEAR 68 58 70 VRB3 30.19S TC 20
WHEELING CLEAR 67 64 90 CALM 30.21F TC 19
MORRIS* CLEAR 65 61 85 CALM 30.17S TC 19
LANSING* CLEAR 68 64 85 NE3 30.20S TC 20
NORTHERLY ISL* N/A 70 60 70 N7 N/A TC 21
LMZ740>746-160400-
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 40/ 8/ 10 1022.6R
WINTHROP HARBOR 69 70 20/ 6/ 8 N/A 1/ 3
WAUKEGAN HARBOR 69 70 N/A 1
WILMETTE BUOY 71 50/ 8/ 10 1024.4F 1/ 3
CHICAGO BUOY 72 66 30/ 6/ 10 1022.7F 1/ 3
HARRISON CRIB 72 40/ 8/ 9 N/A
NORTHERLY ISL 69 340/ 4/ 6 N/A
CALUMET HARBOR 71 10/ 3/ 4 1021.4
BURNS HARBOR 69 50/ 3/ 3 1022.7S
MICHIGAN CITY 70 50/ 1/ 2 1021.0S
MICH CITY BUOY 69 1020.3R
ST. JOSEPH BUOY 72 69 360/ 4/ 8 1023.0R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-160400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 72 66 81 N3 30.11F TC 22
GALESBURG* MOCLDY 77 56 48 E8 30.15S TC 25
MACOMB* MOCLDY 67 60 80 CALM 30.15R TC 19
PITTSFIELD* MOCLDY 71 65 82 CALM 30.12F TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-160400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 68 58 70 E8 30.17S TC 20
DECATUR CLEAR 69 57 65 NE3 30.14S TC 21
PEORIA PTCLDY 75 56 51 E8 30.15R TC 24
LACON* PTCLDY 71 56 59 E10 30.15R TC 22
LINCOLN* PTCLDY 68 58 70 NE5 30.14R TC 20
SPRINGFIELD PTCLDY 68 58 70 NE3 30.12S TC 20
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-160400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 74 56 53 NE7 30.15S TC 23
DANVILLE* CLEAR 70 56 61 NE5 30.16S TC 21
RANTOUL* CLEAR 73 56 55 NE10 30.16S TC 23
MATTOON CLEAR 71 59 65 NE3 30.13R TC 22
ILZ079-100>102-160400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 70 66 88 CALM 30.10S TC 21
BELLEVILLE MOCLDY 74 65 74 CALM 30.08R TC 23
CAHOKIA* MOCLDY 70 65 84 CALM 30.08S TC 21
SPARTA* PTCLDY 75 68 78 CALM 30.10R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-160400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 71 68 90 CALM 30.08S TC 22
CAIRO* PTCLDY 75 71 87 CALM 30.07S TC 24
EFFINGHAM* CLEAR 71 64 78 CALM 30.13S TC 22
MARION PTCLDY 71 64 76 CALM 30.09S TC 22
MT. VERNON PTCLDY 75 65 70 NE7 30.10S TC 24
CENTRALIA* PTCLDY 71 62 74 E3 30.10S TC 22
SALEM* PTCLDY 79 62 57 E3 30.11S HX 80 TC 26
METROPOLIS* PTCLDY 74 69 85 CALM 30.09R TC 23
ILZ067-068-072-073-078-083-087-091-160400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 73 65 75 NE7 30.11S TC 23
FLORA* CLEAR 75 64 69 NE5 30.11S TC 24
FAIRFIELD* CLEAR 74 62 66 N3 30.10S TC 24
HARRISBURG* PTCLDY 76 63 63 MISG 30.09S TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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