226
ASUS43 KLOT 280010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 PM CDT SUN SEP 27 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.
ILZ001-002-007-009-015-016-024-280100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 65 57 75 CALM 30.06S TC 18
6HR MIN TEMP: 65; 6HR MAX TEMP: 73;
STERLING* PTCLDY 66 51 58 NE5 30.08R TC 19
SAVANNA* PTCLDY 66 55 67 CALM 30.08R TC 19
ILZ003-004-008-010-011-017-018-280100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 66 52 60 N3 30.09R TC 19
6HR MIN TEMP: 66; 6HR MAX TEMP: 75;
FREEPORT* MOCLDY 64 54 69 CALM 30.10S TC 18
ROCHELLE* MOCLDY 63 52 67 E3 30.09R TC 17
DE KALB* MOCLDY 64 52 64 NE3 30.09S TC 18
PERU* MOCLDY 70 48 46 E8 30.06S TC 21
ILZ005-006-012>014-019>023-280100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 63 52 67 NE9 30.07S TC 17
6HR MIN TEMP: 63; 6HR MAX TEMP: 72;
CHICAGO-MIDWAY MOCLDY 63 53 70 NE8 30.07S TC 17
6HR MIN TEMP: 63; 6HR MAX TEMP: 72;
AURORA PTCLDY 62 51 67 N6 30.07R TC 17
6HR MIN TEMP: 62; 6HR MAX TEMP: 73;
JOLIET* PTCLDY 64 53 66 E6 30.08R TC 18
WAUKEGAN PTCLDY 56 55 97 CALM 30.08S TC 13
6HR MIN TEMP: 56; 6HR MAX TEMP: 69;
DUPAGE AIRPORT PTCLDY 63 51 65 NE7 30.08R TC 17
6HR MIN TEMP: 63; 6HR MAX TEMP: 73;
KANKAKEE* PTCLDY 59 48 67 NE6 30.08R TC 15
WHEELING PTCLDY 62 55 77 NE3 30.10R TC 17
6HR MIN TEMP: 62; 6HR MAX TEMP: 70;
LANSING* PTCLDY 61 52 72 CALM 30.08S TC 16
NORTHERLY ISL* N/A 61 54 77 N5 N/A TC 16
LMZ740>746-280100-
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 64 65 360/ 6/ 10 1017.7 1/ 2
WAUKEGAN HARBOR 64 64 340/ 8/ 10 1018.5 1/ 2
WILMETTE BUOY 65 20/ 8/ 10 1020.7F 1/ 2
CHICAGO BUOY 65 64 20/ 8/ 10 1017.4 1/ 2
HARRISON CRIB 64 20/ 7/ 8 N/A
NORTHERLY ISL 62 10/ 4/ 7 N/A
CALUMET HARBOR 63 360/ 5/ 8 1018.5
MICHIGAN CITY 62 20/ 5/ 6 1017.5R
MICH CITY BUOY 62 63 10/ 6/ 10 N/A 1
ST. JOSEPH BUOY 56 58 CALM 1018.8S 0
ILZ025>027-034>036-040-047-049-050-058-095>099-280100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 63 59 87 N6 30.06S TC 17
GALESBURG* MOCLDY 65 58 75 N7 30.08R TC 19
MACOMB* MOCLDY 67 58 73 NW6 30.08S TC 20
JACKSONVILLE* MOCLDY 65 58 78 CALM 30.05S TC 18
PITTSFIELD* MOCLDY 66 56 69 CALM 30.07S TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-280100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 60 51 71 N5 30.06S TC 16
BLOOMINGTON PTCLDY 64 46 52 NE8 30.06S TC 18
DECATUR MOCLDY 64 49 57 N3 30.04S TC 18
PEORIA MOCLDY 68 51 54 N3 30.06R TC 20
6HR MIN TEMP: 68; 6HR MAX TEMP: 75;
LACON* MOCLDY 64 55 73 CALM 30.05S TC 18
LINCOLN* PTCLDY 68 52 57 NW3 30.05R TC 20
SPRINGFIELD MOCLDY 66 56 70 NW3 30.04R TC 19
6HR MIN TEMP: 65; 6HR MAX TEMP: 74;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-280100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 64 49 57 N3 30.04S TC 18
RANTOUL* PTCLDY 68 43 40 N6 30.04S TC 20
MATTOON PTCLDY 64 50 60 CALM 30.02S TC 18
PARIS* CLEAR 59 51 75 CALM 30.03S TC 15
ILZ079-100>102-280100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 66 57 72 NW3 30.04S TC 19
BELLEVILLE MOCLDY 70 56 59 NW3 30.00S TC 21
CAHOKIA* PTCLDY 70 54 56 E5 30.02S TC 21
SPARTA* CLOUDY 71 49 46 N3 30.03F TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 68 54 60 CALM 30.01S TC 20
CAIRO* CLEAR 73 52 47 N5 29.99S TC 23
EFFINGHAM* MOCLDY 62 54 73 CALM 30.04S TC 17
MT. VERNON MOCLDY 70 48 45 N3 30.02S TC 21
CENTRALIA* MOCLDY 69 49 48 CALM 30.02S TC 21
SALEM* MOCLDY 68 51 53 MISG 30.02S TC 20
METROPOLIS* MOCLDY 70 49 47 CALM 30.00S TC 21
ILZ067-068-072-073-078-083-087-091-280100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 64 47 53 N8 30.01S TC 18
FLORA* MOCLDY 68 52 56 CALM 30.02S TC 20
FAIRFIELD* MOCLDY 66 46 48 CALM 30.02R TC 19
HARRISBURG* MOCLDY 66 52 59 CALM 30.01R TC 19
ROBINSON* PTCLDY 59 52 77 N3 30.01F TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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