259
ASUS43 KLOT 170301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT TUE SEP 16 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.
ILZ001-002-007-009-015-016-024-170400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 67 61 81 E5 30.12S TC 19
STERLING* CLEAR 65 58 78 E6 30.15S TC 18
ILZ003-004-008-010-011-017-018-170400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 69 57 65 E5 30.17S TC 21
ROCHELLE* CLEAR 61 55 81 CALM 30.17R TC 16
DE KALB* CLEAR 65 57 73 E5 30.18S TC 19
ILZ005-006-012>014-019>023-170400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 70 54 56 E5 30.15S TC 21
CHICAGO-MIDWAY PTCLDY 72 56 57 E5 30.15F TC 22
AURORA CLEAR 64 56 75 E5 30.15F TC 18
JOLIET* CLEAR 62 57 84 CALM 30.16S TC 17
WAUKEGAN CLEAR 60 56 86 CALM 30.16S TC 16
DUPAGE AIRPORT CLEAR 64 55 72 N3 30.16S TC 18
WHEELING CLEAR 64 59 83 CALM 30.17F TC 18
MORRIS* CLEAR 64 58 80 CALM 30.14F TC 18
LANSING* CLEAR 62 58 87 CALM 30.16S TC 17
NORTHERLY ISL* N/A 68 61 78 N3 N/A TC 20
LMZ740>746-170400-
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 69 68 50/ 2/ 2 1021.5F
WINTHROP HARBOR 67 71 270/ 2/ 4 N/A 0
WAUKEGAN HARBOR 68 71 N/A 0
WILMETTE BUOY 71 70/ 6/ 8 1023.2 0
CHICAGO BUOY 71 66 30/ 2/ 4 1021.5F 1
NORTHERLY ISL 68 350/ 3/ 5 N/A
CALUMET HARBOR 67 360/ 3/ 3 1020.3
BURNS HARBOR 69 60/ 4/ 5 1021.7S
MICHIGAN CITY 69 30/ 7/ 8 1020.0R
ST. JOSEPH BUOY 69 69 360/ 10/ 14 1021.9R 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-170400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 77 57 50 E7 30.10S TC 25
MACOMB* CLEAR 65 59 81 N3 30.14R TC 18
PITTSFIELD* CLEAR 69 61 76 CALM 30.12S TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-170400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 65 57 75 E9 30.15S TC 18
DECATUR CLEAR 66 55 67 NE3 30.14R TC 19
PEORIA CLEAR 74 55 51 E8 30.13R TC 23
LACON* CLEAR 70 55 58 E10 30.13R TC 21
LINCOLN* CLEAR 64 56 75 CALM 30.13S TC 18
SPRINGFIELD CLEAR 73 55 53 E9 30.11S TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-170400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 72 54 53 NE8 30.14S TC 22
DANVILLE* CLEAR 62 54 74 N8 30.14S TC 17
RANTOUL* CLEAR 70 55 57 NE8 30.14S TC 21
MATTOON CLEAR 68 53 58 CALM 30.12R TC 20
PARIS* CLEAR 66 50 55 N5 30.13R TC 19
ILZ079-100>102-170400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 72 57 60 VRB6 30.10R TC 22
BELLEVILLE CLEAR 76 61 59 N5 30.07R TC 24
CAHOKIA* CLEAR 68 62 81 CALM 30.09R TC 20
SPARTA* CLEAR 74 62 67 CALM 30.10R TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 67 64 90 CALM 30.08R TC 19
CAIRO* CLEAR 73 69 87 CALM 30.07S TC 23
EFFINGHAM* CLEAR 72 55 54 CALM 30.13R TC 22
MARION CLEAR 71 60 67 CALM 30.09R TC 22
MT. VERNON CLEAR 66 63 90 CALM 30.10R TC 19
CENTRALIA* CLEAR 67 57 70 CALM 30.10R TC 20
SALEM* CLEAR 72 58 61 NE5 30.11R TC 22
METROPOLIS* MOCLDY 72 65 79 CALM 30.07S TC 22
ILZ067-068-072-073-078-083-087-091-170400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 69 60 73 NE6 30.10R TC 21
FLORA* CLEAR 72 61 68 NE5 30.11R TC 22
FAIRFIELD* CLEAR 70 59 68 CALM 30.09R TC 21
HARRISBURG* CLEAR 72 59 63 MISG 30.09R TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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