395
ASUS43 KLOT 120310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT THU SEP 11 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.
ILZ001-002-007-009-015-016-024-120400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 61 57 87 E3 30.14S TC 16
STERLING* CLEAR 62 60 93 E6 30.18S TC 17
ILZ003-004-008-010-011-017-018-120400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 65 58 78 VRB6 30.21S TC 18
ROCHELLE* CLEAR 63 55 76 E8 30.20R TC 17
DE KALB* CLEAR 59 57 91 NE7 30.21S TC 15
PERU* CLEAR 65 57 74 E7 30.18R TC 19
ILZ005-006-012>014-019>023-120400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 65 62 90 NE8 30.20R TC 18
CHICAGO-MIDWAY CLEAR 68 61 78 NE7 30.20S TC 20
AURORA CLEAR 62 57 83 E5 30.19S TC 17
JOLIET* CLEAR 66 58 73 NE3 30.20R TC 19
WAUKEGAN PTCLDY 62 59 90 NE5 30.21S TC 17
DUPAGE AIRPORT CLEAR 64 60 87 NE7 30.20S TC 18
KANKAKEE* CLEAR 61 57 88 NE5 30.20R TC 16
WHEELING CLEAR 65 62 90 NE5 30.22S TC 18
MORRIS* CLEAR 61 56 85 NE3 30.18S TC 16
ROMEOVILLE* CLEAR 64 61 88 NE8 30.21R TC 18
LANSING* N/A 65 63 91 NE5 30.21R TC 19
LMZ740>746-120400-
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 65 66 30/ 10/ 10 1022.9S 2/ 4
WINTHROP HARBOR 66 65 310/ 8/ 10 N/A 2/ 4
WAUKEGAN HARBOR 66 68 N/A 2/ 4
WILMETTE BUOY 67 40/ 10/ 16 1024.3F 2/ 5
CHICAGO BUOY 68 65 20/ 8/ 10 1023.4 2/ 4
HARRISON CRIB 67 40/ 11/ 12 N/A
CALUMET HARBOR 67 20/ 6/ 9 1021.7
BURNS HARBOR 68 50/ 7/ 8 1023.0S
MICHIGAN CITY 69 30/ 11/ 11 1021.3S
MICH CITY BUOY 68 1020.8R
ST. JOSEPH BUOY 68 69 360/ 12/ 16 1023.3S 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-120400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 71 57 61 E7 30.12R TC 22
GALESBURG* CLEAR 65 55 69 NE3 30.16S TC 18
MACOMB* CLEAR 60 56 87 NE3 30.17R TC 15
JACKSONVILLE* CLEAR 62 55 79 NE5 30.13S TC 17
PITTSFIELD* CLEAR 66 59 78 CALM 30.14R TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-120400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 63 56 79 NE7 30.18R TC 17
BLOOMINGTON MOCLDY 64 57 77 E8 30.18R TC 18
DECATUR CLEAR 69 59 70 E3 30.15S TC 21
PEORIA CLEAR 68 57 68 NE5 30.15R TC 20
LACON* CLEAR 65 56 72 E8 30.16R TC 18
LINCOLN* CLEAR 64 57 78 NE5 30.15R TC 18
SPRINGFIELD CLEAR 69 59 70 E3 30.13S TC 21
TAYLORVILLE CLEAR 68 59 73 MISG 30.14R TC 20
ILZ033-039-045-046-055>057-062-063-120400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 65 57 75 E6 30.16R TC 18
DANVILLE* CLEAR 68 55 62 NE6 30.18R TC 20
RANTOUL* MOCLDY 69 54 59 NE7 30.17R TC 20
MATTOON PTCLDY 71 60 68 E3 30.14R TC 22
ILZ079-100>102-120400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 68 61 77 CALM 30.12R TC 20
CAHOKIA* CLEAR 68 63 84 CALM 30.10S TC 20
SPARTA* CLEAR 73 60 63 CALM 30.12S TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-120400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 67 62 84 SW5 30.10R TC 19
CAIRO* CLEAR 68 64 88 CALM 30.11R TC 20
EFFINGHAM* PTCLDY 71 64 79 E3 30.16R TC 22
MARION CLEAR 67 60 78 CALM 30.12R TC 20
MT. VERNON CLEAR 66 63 90 CALM 30.12R TC 19
CENTRALIA* CLEAR 65 58 78 CALM 30.13R TC 18
SALEM* CLEAR 76 59 55 E3 30.13R TC 24
METROPOLIS* CLEAR 69 62 79 CALM 30.11R TC 21
ILZ067-068-072-073-078-083-087-091-120400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 68 61 78 NE5 30.14R TC 20
FLORA* CLEAR 68 63 83 E3 30.13R TC 20
FAIRFIELD* CLEAR 71 61 70 CALM 30.12R TC 22
HARRISBURG* CLEAR 69 61 77 MISG 30.12R TC 20
ROBINSON* CLEAR 64 63 94 NE2 30.14R TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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