973
ASUS43 KLOT 280601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-280700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 55 54 96 CALM 30.10S TC 13
6HR MIN TEMP: 54; 6HR MAX TEMP: 65;
STERLING* PTCLDY 53 52 96 CALM 30.12R TC 12
SAVANNA* PTCLDY 55 55 98 CALM 30.11S TC 13
ILZ003-004-008-010-011-017-018-280700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 49 49 100 CALM 30.13R TC 9
6HR MIN TEMP: 48; 6HR MAX TEMP: 66;
FREEPORT* PTCLDY 50 49 95 CALM 30.14R TC 10
DE KALB* CLEAR 49 49 99 CALM 30.12S TC 10
ILZ005-006-012>014-019>023-280700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 56 53 90 NW5 30.08S TC 13
6HR MIN TEMP: 56; 6HR MAX TEMP: 63;
CHICAGO-MIDWAY CLEAR 55 53 93 NW5 30.09R TC 13
6HR MIN TEMP: 55; 6HR MAX TEMP: 63;
AURORA CLEAR 46 46 100 CALM 30.10S TC 8
6HR MIN TEMP: 46; 6HR MAX TEMP: 61;
JOLIET* CLEAR 49 49 100 CALM 30.10R FOG TC 9
WAUKEGAN CLEAR 52 51 97 NW5 30.09S TC 11
6HR MIN TEMP: 48; 6HR MAX TEMP: 56;
DUPAGE AIRPORT CLEAR 48 47 96 N5 30.10S TC 9
6HR MIN TEMP: 48; 6HR MAX TEMP: 63;
WHEELING PTCLDY 53 52 96 CALM 30.11S TC 12
6HR MIN TEMP: 52; 6HR MAX TEMP: 62;
LANSING* CLEAR 48 47 97 CALM 30.09S TC 9
NORTHERLY ISL* N/A 61 53 75 N6 N/A TC 16
LMZ740>746-280700-
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 59 65 310/ 6/ 10 1017.7F 1
WAUKEGAN HARBOR 59 64 290/ 6/ 8 1018.5F 1
WILMETTE BUOY 63 350/ 10/ 12 1020.5F 1/ 3
CHICAGO BUOY 65 64 360/ 8/ 10 1017.5F 1/ 3
HARRISON CRIB 64 360/ 9/ 10 N/A
NORTHERLY ISL 60 340/ 5/ 7 N/A
CALUMET HARBOR 60 340/ 2/ 3 1018.6
MICHIGAN CITY 58 90/ 2/ 2 1017.6F
MICH CITY BUOY 61 62 40/ 6/ 8 N/A 1/ 3
ST. JOSEPH BUOY 57 58 CALM / 2 1018.8F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-280700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 60 57 89 N3 30.09S TC 16
MACOMB* MOCLDY 55 55 100 NW3 30.12S TC 13
ILZ028>032-037-038-041>044-048-051>054-059>061-280700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 53 49 86 MISG 30.11R TC 12
DECATUR CLEAR 51 46 83 NE3 30.09R TC 11
PEORIA PTCLDY 53 51 93 CALM 30.10R TC 12
6HR MIN TEMP: 53; 6HR MAX TEMP: 68;
SPRINGFIELD PTCLDY 50 49 96 NE3 30.08S TC 10
6HR MIN TEMP: 50; 6HR MAX TEMP: 66;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-280700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 54 48 80 NE6 30.08S TC 12
MATTOON CLEAR 53 47 79 N3 30.07R TC 12
ILZ079-100>102-280700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* PTCLDY 63 59 87 CALM 30.06S TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* CLEAR 56 46 68 CALM 30.08R TC 13
MT. VERNON CLEAR 46 46 100 CALM 30.06R TC 8
CENTRALIA* PTCLDY 47 46 95 CALM 30.06S TC 9
SALEM* PTCLDY 53 49 86 MISG 30.06R TC 12
ILZ067-068-072-073-078-083-087-091-280700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 53 48 83 CALM 30.04S TC 12
FAIRFIELD* CLEAR 52 48 86 CALM 30.05R TC 11
HARRISBURG* PTCLDY 49 47 94 CALM 30.05R TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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