091
ASUS43 KLOT 110801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT FRI SEP 11 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.
ILZ001-002-007-009-015-016-024-110900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 57 56 96 SE3 30.00F TC 14
STERLING* CLEAR 59 58 96 CALM 30.03S TC 15
SAVANNA* CLEAR 58 57 96 CALM 30.03S TC 15
ILZ003-004-008-010-011-017-018-110900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 57 55 93 CALM 30.04S TC 14
FREEPORT* CLEAR 60 59 95 CALM 30.05S TC 16
ILZ005-006-012>014-019>023-110900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 62 58 86 CALM 30.03R TC 17
CHICAGO-MIDWAY MOCLDY 64 59 83 CALM 30.03S TC 18
AURORA CLEAR 55 54 96 E3 30.03F TC 13
JOLIET* PTCLDY 60 59 97 CALM 30.04R TC 16
WAUKEGAN CLEAR 59 59 100 CALM 30.02F TC 15
DUPAGE AIRPORT CLEAR 56 54 93 CALM 30.04S TC 13
WHEELING CLEAR 57 57 100 CALM 30.04F TC 14
LANSING* CLEAR 56 56 100 CALM 30.04S TC 14
NORTHERLY ISL* N/A 67 57 70 E6 N/A TC 19
LMZ740>746-110900-
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 69 66 110/ 8/ 12 1016.1F 1/ 4
WAUKEGAN HARBOR 70 69 110/ 8/ 10 1016.9F 1/ 2
WILMETTE BUOY 71 130/ 8/ 10 1019.6F 1/ 2
CHICAGO BUOY 71 71 1016.2R 1/ 3
HARRISON CRIB 70 120/ 7/ 8 N/A
NORTHERLY ISL 67 110/ 6/ 7 N/A
CALUMET HARBOR 69 100/ 4/ 6 1016.9
MICHIGAN CITY 63 80/ 5/ 5 1015.9F
MICH CITY BUOY 65 69 100/ 6/ 8 N/A 1/ 4
ST. JOSEPH BUOY 65 70 90/ 6/ 6 1017.9F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-110900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY FOG 63 63 100 NE3 29.99F VSB 1/2 TC 17
MACOMB* FOG 62 62 100 CALM 30.03R VSB 1/2 TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-110900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 61 61 100 NE5 30.03S TC 16
DECATUR CLOUDY 68 65 90 E3 30.01S TC 20
PEORIA PTCLDY 64 63 96 E5 30.01S TC 18
LINCOLN* CLOUDY 67 67 100 CALM 30.01R TC 20
SPRINGFIELD CLOUDY 67 67 100 CALM 30.00R TC 19
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-110900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 64 63 96 E7 30.02S TC 18
MATTOON PTCLDY 63 63 100 CALM 30.00R TC 17
ILZ079-100>102-110900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* PTCLDY 67 67 100 CALM 29.97F TC 19
SPARTA* PTCLDY 68 68 100 CALM 29.98S TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-110900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* N/A 67 65 94 CALM 30.01S FOG TC 19
MT. VERNON PTCLDY 69 68 96 NE3 29.98S TC 21
CENTRALIA* FOG 68 67 98 CALM 29.98F VSB 1/2 TC 20
SALEM* FOG 69 69 100 MISG 29.98F VSB 1 TC 21
ILZ067-068-072-073-078-083-087-091-110900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 71 70 96 CALM 29.98S FOG TC 22
FAIRFIELD* MOCLDY 69 68 97 CALM 29.98S TC 21
HARRISBURG* CLOUDY 72 72 100 CALM 29.97S FOG TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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