115
ASUS43 KLOT 280801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT MON SEP 28 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.
ILZ001-002-007-009-015-016-024-280900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 53 52 96 CALM 30.10F TC 12
STERLING* PTCLDY 54 54 100 CALM 30.12S TC 12
SAVANNA* PTCLDY 54 54 99 N3 30.12S TC 12
ILZ003-004-008-010-011-017-018-280900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 48 47 96 CALM 30.13S TC 9
FREEPORT* MOCLDY 50 48 95 CALM 30.14S TC 10
DE KALB* PTCLDY 49 49 100 NW3 30.12S TC 9
ILZ005-006-012>014-019>023-280900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 54 51 90 N5 30.08F TC 12
CHICAGO-MIDWAY CLEAR 53 52 96 N3 30.08F TC 12
AURORA PTCLDY 45 45 100 NW5 30.10S FOG TC 7
JOLIET* PTCLDY 48 48 100 CALM 30.10S FOG TC 9
WAUKEGAN CLEAR 52 51 97 NW5 30.09S TC 11
DUPAGE AIRPORT PTCLDY 49 48 97 NE3 30.10S FOG TC 9
WHEELING PTCLDY 51 51 100 N3 30.11S TC 11
LANSING* CLEAR 48 47 95 CALM 30.09S FOG TC 9
NORTHERLY ISL* N/A 61 56 83 NW6 N/A TC 16
LMZ740>746-280900-
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 58 65 310/ 8/ 10 1017.7F 1/ 3
WAUKEGAN HARBOR 59 64 290/ 8/ 10 1018.5F 1/ 4
WILMETTE BUOY 62 340/ 10/ 12 1020.5F 2/ 4
CHICAGO BUOY 62 63 330/ 8/ 10 1017.5S 2/ 4
HARRISON CRIB 62 330/ 8/ 9 N/A
NORTHERLY ISL 61 10/ 4/ 8 N/A
CALUMET HARBOR 62 350/ 4/ 6 1018.7
MICHIGAN CITY 58 CALM / 1 1017.6
MICH CITY BUOY 60 62 310/ 2/ 4 N/A 1/ 3
ST. JOSEPH BUOY 57 58 300/ 2/ 4 1018.9R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-280900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 60 58 92 NE3 30.09F TC 16
MACOMB* PTCLDY 51 51 100 CALM 30.12S TC 10
ILZ028>032-037-038-041>044-048-051>054-059>061-280900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 53 51 93 N3 30.11S TC 12
DECATUR CLEAR 51 48 89 N3 30.10R TC 11
PEORIA PTCLDY 53 50 89 CALM 30.10F TC 12
SPRINGFIELD PTCLDY 49 48 97 SE3 30.10S TC 9
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-280900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 49 47 93 N3 30.09R TC 9
MATTOON CLEAR 47 45 93 W3 30.07S TC 8
ILZ079-100>102-280900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* PTCLDY 62 59 90 CALM 30.07S TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* CLEAR 50 48 92 CALM 30.09S TC 10
MT. VERNON CLEAR 45 45 100 CALM 30.07S TC 7
CENTRALIA* PTCLDY 46 45 96 CALM 30.07S TC 8
SALEM* PTCLDY 52 46 82 MISG 30.07S TC 11
ILZ067-068-072-073-078-083-087-091-280900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 53 48 83 CALM 30.05S TC 12
FAIRFIELD* CLEAR 49 46 88 CALM 30.06S TC 10
HARRISBURG* CLEAR 47 46 97 CALM 30.06S TC 8
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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