693
ASUS43 KLOT 170001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.
ILZ001-002-007-009-015-016-024-170100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 78 63 59 S3 30.10S HX 80 TC 26
6HR MIN TEMP: 78; 6HR MAX TEMP: 90;
STERLING* CLEAR 78 56 46 E3 30.13S TC 26
ILZ003-004-008-010-011-017-018-170100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 79 56 45 CALM 30.15S HX 80 TC 26
6HR MIN TEMP: 78; 6HR MAX TEMP: 86;
ROCHELLE* CLEAR 77 53 43 E3 30.14S TC 25
DE KALB* CLEAR 75 60 58 E6 30.16S TC 24
PERU* CLEAR 79 56 46 E5 30.12S TC 26
ILZ005-006-012>014-019>023-170100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 75 52 44 E8 30.14F TC 24
6HR MIN TEMP: 75; 6HR MAX TEMP: 83;
CHICAGO-MIDWAY MOCLDY 76 52 43 NE8 30.15S TC 24
6HR MIN TEMP: 76; 6HR MAX TEMP: 83;
AURORA CLEAR 75 58 55 E7 30.14S TC 24
6HR MIN TEMP: 75; 6HR MAX TEMP: 87;
JOLIET* CLEAR 75 57 53 E6 30.14F TC 24
WAUKEGAN PTCLDY 70 58 65 CALM 30.15F TC 21
6HR MIN TEMP: 70; 6HR MAX TEMP: 80;
DUPAGE AIRPORT PTCLDY 75 55 49 E6 30.15R TC 24
6HR MIN TEMP: 75; 6HR MAX TEMP: 86;
WHEELING PTCLDY 74 54 49 E3 30.16F TC 23
6HR MIN TEMP: 74; 6HR MAX TEMP: 82;
MORRIS* CLEAR 74 59 58 E6 30.12F TC 23
ROMEOVILLE* CLEAR 75 57 53 E7 30.15S TC 24
LANSING* CLEAR 72 57 60 NE6 30.15F TC 22
NORTHERLY ISL* N/A 69 61 75 N3 N/A TC 21
LMZ740>746-170100-
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 68 310/ 2/ 2 1021.3S
WINTHROP HARBOR 71 71 100/ 2/ 4 N/A 1/ 3
WAUKEGAN HARBOR 71 71 N/A 1
WILMETTE BUOY 71 60/ 6/ 8 1023.6F 1
CHICAGO BUOY 72 66 40/ 6/ 6 1021.4F 1/ 2
HARRISON CRIB 71 50/ 7/ 8 N/A
NORTHERLY ISL 71 20/ 3/ 6 N/A
CALUMET HARBOR 71 10/ 3/ 4 1020.0
BURNS HARBOR 71 70/ 4/ 5 1021.3F
MICHIGAN CITY 70 30/ 7/ 7 1019.8F
ST. JOSEPH BUOY 69 69 350/ 8/ 10 1021.9F 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-170100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 86 60 41 E5 30.09S HX 86 TC 30
GALESBURG* CLEAR 77 58 50 CALM 30.13R TC 25
MACOMB* PTCLDY 78 61 54 CALM 30.13S HX 80 TC 26
JACKSONVILLE* CLEAR 78 55 45 N5 30.10R TC 25
PITTSFIELD* PTCLDY 83 57 40 NE3 30.11S HX 83 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-170100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 77 53 43 E7 30.13S TC 25
BLOOMINGTON PTCLDY 77 56 48 E7 30.13S TC 25
DECATUR CLEAR 79 56 45 NE9 30.10S HX 80 TC 26
PEORIA CLEAR 83 52 34 NE3 30.11R HX 82 TC 28
6HR MIN TEMP: 83; 6HR MAX TEMP: 90;
LACON* CLEAR 76 57 52 CALM 30.11S TC 24
LINCOLN* CLEAR 79 56 44 NE3 30.10S HX 80 TC 26
SPRINGFIELD CLEAR 78 59 51 N3 30.09S TC 26
6HR MIN TEMP: 78; 6HR MAX TEMP: 91;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-170100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 79 55 43 NE8 30.12S TC 26
DANVILLE* CLEAR 71 53 51 N6 30.13S TC 22
RANTOUL* CLEAR 78 53 41 NE8 30.13S TC 26
MATTOON CLEAR 79 52 38 NE6 30.09S TC 26
PARIS* CLEAR 76 52 43 NE3 30.11S TC 24
ILZ079-100>102-170100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 84 57 39 VRB6 30.07S HX 83 TC 29
BELLEVILLE CLEAR 86 59 40 N6 30.03S HX 85 TC 30
CAHOKIA* CLEAR 83 59 44 CALM 30.05S HX 83 TC 28
SPARTA* CLEAR 86 57 36 N3 30.06S HX 85 TC 30
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 83 61 47 NE5 30.04S HX 83 TC 28
6HR MIN TEMP: 83; 6HR MAX TEMP: 93;
CAIRO* CLEAR 84 67 57 CALM 30.03F HX 86 TC 29
EFFINGHAM* CLEAR 82 55 39 NE3 30.09S HX 82 TC 28
MARION CLEAR 84 63 48 NE6 30.04F HX 85 TC 29
MT. VERNON CLEAR 82 61 48 NE3 30.06S HX 83 TC 28
CENTRALIA* CLEAR 83 58 42 NE5 30.06S HX 82 TC 28
SALEM* CLEAR 86 56 35 CALM 30.06S HX 85 TC 30
METROPOLIS* CLEAR 84 64 51 CALM 30.04S HX 85 TC 29
ILZ067-068-072-073-078-083-087-091-170100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 80 59 48 N6 30.07S HX 81 TC 27
FLORA* CLEAR 82 61 47 NE6 30.07S HX 83 TC 28
FAIRFIELD* CLEAR 81 58 45 NE3 30.06S HX 81 TC 27
HARRISBURG* CLEAR 84 58 40 MISG 30.05S HX 83 TC 29
ROBINSON* CLEAR 77 61 57 E3 30.07F TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page