488
ASUS43 KLOT 150606
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-150700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 69 65 86 E6 30.05S TC 21
6HR MIN TEMP: 69; 6HR MAX TEMP: 83;
STERLING* CLEAR 65 64 97 E5 30.10R TC 18
ILZ003-004-008-010-011-017-018-150700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 67 59 75 E6 30.13R TC 19
6HR MIN TEMP: 67; 6HR MAX TEMP: 79;
ROCHELLE* CLEAR 65 58 77 E6 30.12R TC 19
DE KALB* CLEAR 64 61 88 E7 30.13R TC 18
PERU* CLEAR 67 62 85 NE6 30.09R TC 19
ILZ005-006-012>014-019>023-150700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 69 60 73 SE5 30.11S TC 21
6HR MIN TEMP: 68; 6HR MAX TEMP: 77;
CHICAGO-MIDWAY CLEAR 71 58 63 SE6 30.11S TC 22
6HR MIN TEMP: 71; 6HR MAX TEMP: 79;
AURORA CLEAR 65 60 84 E6 30.11R TC 18
6HR MIN TEMP: 65; 6HR MAX TEMP: 78;
JOLIET* CLEAR 71 59 66 SE9 30.11S TC 22
WAUKEGAN CLEAR 69 61 75 SE3 30.12S TC 21
6HR MIN TEMP: 66; 6HR MAX TEMP: 72;
DUPAGE AIRPORT CLEAR 67 61 81 E5 30.12R TC 19
6HR MIN TEMP: 67; 6HR MAX TEMP: 77;
KANKAKEE* CLEAR 66 55 68 E9 30.12S TC 19
WHEELING CLEAR 66 62 87 CALM 30.13S TC 19
6HR MIN TEMP: 65; 6HR MAX TEMP: 75;
MORRIS* CLEAR 68 60 74 E9 30.09S TC 20
ROMEOVILLE* PTCLDY 70 63 78 E7 30.12S TC 21
LANSING* CLEAR 65 57 74 E3 30.13S TC 19
LMZ740>746-150700-
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 67 140/ 10/ 10 1020.7R 1
WINTHROP HARBOR 69 66 140/ 4/ 6 N/A 2/ 3
WAUKEGAN HARBOR 72 70 N/A 1/ 3
WILMETTE BUOY 72 130/ 12/ 16 1022.0R 1/ 3
CHICAGO BUOY 72 66 120/ 12/ 16 1020.4R 2/ 3
HARRISON CRIB 72 140/ 9/ 10 N/A
CALUMET HARBOR 73 110/ 8/ 10 1018.9
BURNS HARBOR 72 120/ 8/ 11 1020.3R
MICHIGAN CITY 70 110/ 9/ 11 1018.8R
MICH CITY BUOY 69 1018.5R
ST. JOSEPH BUOY 70 69 90/ 8/ 12 1021.3R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-150700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 76 66 71 E9 30.02S TC 24
GALESBURG* PTCLDY 73 64 75 E3 30.07R TC 23
MACOMB* PTCLDY 69 66 90 CALM 30.07S TC 21
JACKSONVILLE* PTCLDY 71 65 80 E7 30.03S TC 22
PITTSFIELD* PTCLDY 74 66 75 NE3 30.04R TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-150700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 68 59 73 E7 30.09R TC 20
BLOOMINGTON CLEAR 66 63 90 E7 30.09R TC 19
DECATUR CLEAR 68 66 93 E3 30.06R TC 20
PEORIA PTCLDY 75 65 70 E7 30.06R TC 24
6HR MIN TEMP: 75; 6HR MAX TEMP: 87;
LACON* CLEAR 69 61 74 E9 30.06S TC 21
LINCOLN* CLEAR 70 65 84 E3 30.05S TC 21
SPRINGFIELD PTCLDY 75 66 73 E6 30.04R TC 24
6HR MIN TEMP: 75; 6HR MAX TEMP: 86;
TAYLORVILLE PTCLDY 73 66 78 MISG 30.04R TC 23
ILZ033-039-045-046-055>057-062-063-150700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 69 61 75 E6 30.07S TC 21
DANVILLE* CLEAR 68 57 69 E7 30.10R TC 20
RANTOUL* CLEAR 69 60 71 E8 30.08S TC 21
MATTOON CLEAR 71 65 81 E7 30.04S TC 22
ILZ079-100>102-150700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 73 68 86 MISG 30.02R TC 23
SPARTA* PTCLDY 74 71 89 CALM 30.02R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-150700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 73 66 81 N5 29.99S TC 23
EFFINGHAM* CLEAR 73 69 87 NE6 30.05R TC 23
MARION PTCLDY 72 65 80 CALM 30.01S TC 22
MT. VERNON PTCLDY 74 69 85 N3 30.01R TC 23
CENTRALIA* PTCLDY 71 67 89 E3 30.02R TC 22
SALEM* PTCLDY 76 68 76 CALM 30.02R TC 25
METROPOLIS* PTCLDY 70 69 97 CALM 29.99S FOG TC 21
ILZ067-068-072-073-078-083-087-091-150700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 71 67 87 NE7 30.03S TC 22
FLORA* CLEAR 73 68 83 E7 30.02S TC 23
FAIRFIELD* CLEAR 74 66 75 NE3 30.01R TC 23
HARRISBURG* PTCLDY 69 64 85 MISG 30.00S TC 21
ROBINSON* CLEAR 70 66 88 E2 30.04R TC 21
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