520
ASUS43 KLOT 260612
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT SAT SEP 26 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.
ILZ001-002-007-009-015-016-024-260700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 60 55 83 E7 30.21S TC 16
6HR MIN TEMP: 60; 6HR MAX TEMP: 65;
STERLING* MOCLDY 55 53 93 E6 30.24F TC 13
SAVANNA* PTCLDY 55 53 93 E7 30.23F TC 13
ILZ003-004-008-010-011-017-018-260700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 54 52 93 NE3 30.26F TC 12
6HR MIN TEMP: 54; 6HR MAX TEMP: 64;
FREEPORT* CLEAR 49 48 95 E3 30.26F TC 10
ROCHELLE* CLEAR 52 51 95 E6 30.25F TC 11
DE KALB* PTCLDY 50 50 100 E3 30.25F TC 10
PERU* PTCLDY 54 48 82 E5 30.23F TC 12
ILZ005-006-012>014-019>023-260700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 57 51 80 NE6 30.23F TC 14
6HR MIN TEMP: 56; 6HR MAX TEMP: 61;
CHICAGO-MIDWAY PTCLDY 58 51 78 E5 30.24F TC 14
6HR MIN TEMP: 56; 6HR MAX TEMP: 62;
AURORA PTCLDY 51 50 96 NE3 30.24F TC 11
6HR MIN TEMP: 51; 6HR MAX TEMP: 62;
JOLIET* CLEAR 53 50 89 CALM 30.24F TC 12
WAUKEGAN CLEAR 49 49 100 CALM 30.25F TC 9
6HR MIN TEMP: 48; 6HR MAX TEMP: 57;
DUPAGE AIRPORT CLEAR 49 47 93 NE3 30.25F TC 9
6HR MIN TEMP: 49; 6HR MAX TEMP: 60;
KANKAKEE* CLEAR 49 48 95 NE5 30.23F TC 10
WHEELING PTCLDY 52 50 93 CALM 30.26F TC 11
6HR MIN TEMP: 51; 6HR MAX TEMP: 61;
ROMEOVILLE* CLEAR 52 50 93 NE6 30.24F TC 11
LANSING* CLEAR 51 48 88 CALM 30.24F TC 11
NORTHERLY ISL* N/A 62 51 67 E9 N/A TC 17
LMZ740>746-260700-
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 65 64 60/ 10/ 14 1022.3 1/ 3
WAUKEGAN HARBOR 64 64 60/ 10/ 16 1023.2 1/ 3
WILMETTE BUOY 63 90/ 12/ 16 1025.7F 1/ 3
CHICAGO BUOY 63 63 90/ 12/ 14 1022.7 2/ 3
HARRISON CRIB 63 90/ 13/ 14 N/A
NORTHERLY ISL 62 70/ 9/ 12 N/A
CALUMET HARBOR 62 50/ 9/ 11 1024.1
MICHIGAN CITY 55 70/ 7/ 7 1023.5F
MICH CITY BUOY 59 61 80/ 8/ 12 N/A 1
ST. JOSEPH BUOY 54 53 50/ 4/ 6 1024.7F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-260700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 62 60 93 E6 30.17F TC 17
GALESBURG* PTCLDY 57 54 88 E6 30.22S TC 14
MACOMB* CLOUDY 61 60 96 E3 30.22R TC 16
JACKSONVILLE* CLOUDY 60 55 81 E5 30.17F TC 16
PITTSFIELD* MOCLDY 61 61 99 NE6 30.18S TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-260700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 57 52 85 NE5 30.23S TC 14
BLOOMINGTON CLOUDY 58 52 80 E7 30.22F TC 14
DECATUR PTCLDY 55 49 80 CALM 30.20S TC 13
PEORIA CLEAR 56 51 84 CALM 30.21S TC 13
6HR MIN TEMP: 56; 6HR MAX TEMP: 64;
LACON* CLOUDY 58 50 74 E5 30.21S TC 15
LINCOLN* PTCLDY 55 50 82 CALM 30.20F TC 13
SPRINGFIELD PTCLDY 61 49 64 E6 30.18F TC 16
6HR MIN TEMP: 60; 6HR MAX TEMP: 67; 6HR PCP: TRACE;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-260700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 60 48 64 NE8 30.20F TC 16
RANTOUL* MOCLDY 58 50 73 NE5 30.21F TC 15
MATTOON PTCLDY 55 49 80 E5 30.17F TC 13
PARIS* MOCLDY 59 49 70 NE5 30.20S TC 15
ILZ079-100>102-260700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 63 51 65 CALM 30.16F TC 17
BELLEVILLE CLOUDY 66 58 76 NE3 30.13F TC 19
CAHOKIA* MOCLDY 63 57 81 CALM 30.15F TC 17
SPARTA* CLOUDY 63 55 73 CALM 30.16S TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-260700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 61 58 90 NE3 30.12F TC 16
EFFINGHAM* MOCLDY 62 49 63 NE3 30.19S TC 16
MARION CLOUDY 63 52 67 NE3 30.14F TC 17
MT. VERNON CLOUDY 65 50 58 CALM 30.15F TC 18
CENTRALIA* CLOUDY 64 52 64 CALM 30.16S TC 18
SALEM* CLOUDY 64 55 71 MISG 30.16S TC 18
METROPOLIS* CLEAR 56 55 98 CALM 30.13F TC 13
ILZ067-068-072-073-078-083-087-091-260700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 62 51 67 NE5 30.16F TC 17
FLORA* CLOUDY 63 54 72 NE3 30.16F TC 17
FAIRFIELD* CLOUDY 64 50 61 CALM 30.15F TC 18
HARRISBURG* CLOUDY 63 55 74 CALM 30.15S TC 17
ROBINSON* MOCLDY 57 52 82 N5 30.16F TC 14
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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