577
ASUS43 KLOT 110312
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT THU SEP 10 2026
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.
ILZ001-002-007-009-015-016-024-110400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 63 61 93 CALM 30.00S TC 17
STERLING* CLEAR 64 61 90 E3 30.02S TC 18
SAVANNA* CLEAR 63 61 93 CALM 30.02R TC 17
ILZ003-004-008-010-011-017-018-110400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 63 59 87 CALM 30.04R TC 17
FREEPORT* PTCLDY 62 61 95 S3 30.04R TC 17
ROCHELLE* CLEAR 61 59 92 SE6 30.04R TC 16
DE KALB* CLEAR 61 56 84 S6 30.04S TC 16
PERU* CLEAR 68 64 88 E6 30.02S TC 20
ILZ005-006-012>014-019>023-110400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 67 55 65 SE5 30.02R TC 19
CHICAGO-MIDWAY CLEAR 69 59 70 SE5 30.03R TC 21
AURORA CLEAR 63 57 81 CALM 30.03R TC 17
JOLIET* PTCLDY 64 61 89 CALM 30.04R TC 18
WAUKEGAN CLEAR 61 60 97 CALM 30.03R TC 16
DUPAGE AIRPORT CLEAR 63 56 78 CALM 30.03S TC 17
KANKAKEE* PTCLDY 64 58 83 CALM 30.05R TC 18
WHEELING PTCLDY 64 59 83 CALM 30.04S TC 18
ROMEOVILLE* PTCLDY 64 59 82 SE7 30.04S TC 18
LANSING* CLEAR 62 58 88 CALM 30.04R TC 17
NORTHERLY ISL* N/A 69 59 70 E7 N/A TC 21
LMZ740>746-110400-
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)
WINTHROP HARBOR 70 66 130/ 6/ 8 1016.3 1/ 2
WAUKEGAN HARBOR 71 70 90/ 6/ 8 1017.3 1
WILMETTE BUOY 72 120/ 8/ 12 1019.5R 1/ 4
CHICAGO BUOY 72 71 1016.0 1/ 4
HARRISON CRIB 72 100/ 9/ 9 N/A
NORTHERLY ISL 69 80/ 5/ 7 N/A
CALUMET HARBOR 70 90/ 3/ 6 1017.0R
MICHIGAN CITY 67 100/ 4/ 5 1015.8R
MICH CITY BUOY 68 68 100/ 4/ 8 N/A 1/ 4
ST. JOSEPH BUOY 68 71 60/ 4/ 4 1017.8R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-110400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 69 68 96 CALM 30.00S TC 21
GALESBURG* CLEAR 64 64 100 CALM 30.03R TC 18
MACOMB* PTCLDY 67 67 100 CALM 30.03S TC 19
JACKSONVILLE* N/A 67 67 100 CALM 30.01R TC 19
PITTSFIELD* CLEAR 70 69 98 CALM 30.01S TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-110400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 66 66 100 E5 30.03S TC 19
BLOOMINGTON PTCLDY 66 66 100 E5 30.04R TC 19
DECATUR MOCLDY 69 67 93 CALM 30.02R TC 21
PEORIA CLEAR 67 67 100 CALM 30.01R TC 19
LACON* CLEAR 67 65 94 CALM 30.01R TC 19
LINCOLN* PTCLDY 67 67 100 CALM 30.02R TC 20
SPRINGFIELD PTCLDY 68 68 100 CALM 30.01R TC 20
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-110400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 66 64 93 E5 30.02R TC 19
RANTOUL* PTCLDY 66 65 98 NE3 30.03R TC 19
MATTOON MOCLDY 70 68 93 NE3 30.00F TC 21
PARIS* MOCLDY 67 66 97 CALM 30.02S TC 20
ILZ079-100>102-110400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE MOCLDY 75 74 98 CALM 29.97S TC 24
CAHOKIA* PTCLDY 72 70 93 CALM 29.99R TC 22
SPARTA* MOCLDY 74 72 93 CALM 30.01R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-110400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 78 74 85 NE3 29.97R HX 81 TC 26
EFFINGHAM* MOCLDY 72 70 94 CALM 30.02S TC 22
MARION MOCLDY 73 73 100 SE3 29.99R TC 23
MT. VERNON CLOUDY 73 70 90 NE3 30.00S TC 23
CENTRALIA* CLOUDY 74 72 93 CALM 30.00R TC 23
SALEM* CLOUDY 75 72 92 MISG 30.00S TC 24
METROPOLIS* CLOUDY 77 71 81 CALM 29.98R TC 25
ILZ067-068-072-073-078-083-087-091-110400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 71 70 96 NE3 30.00 TC 22
FLORA* MOCLDY 73 N/A N/A CALM 30.00F TC 23
FAIRFIELD* MOCLDY 73 69 88 CALM 30.00R TC 23
HARRISBURG* CLOUDY 74 73 96 CALM 29.99R TC 23
ROBINSON* CLOUDY 72 72 100 S2 30.00F TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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