976
ASUS43 KLOT 261110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-261200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 55 52 89 E3 30.19R TC 13
STERLING* PTCLDY 48 48 100 CALM 30.22R TC 9
SAVANNA* PTCLDY 50 49 96 NE5 30.21S TC 10
ILZ003-004-008-010-011-017-018-261200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 51 49 92 CALM 30.23S TC 11
FREEPORT* N/A 46 45 95 CALM 30.24S VSB 1 TC 8
ROCHELLE* CLEAR 48 48 100 CALM 30.22R TC 9
DE KALB* CLEAR 48 48 100 E5 30.22S TC 9
PERU* PTCLDY 50 48 93 NE3 30.21R TC 10
ILZ005-006-012>014-019>023-261200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 52 47 83 NE3 30.21F TC 11
CHICAGO-MIDWAY PTCLDY 56 51 84 E5 30.21F TC 13
AURORA PTCLDY 47 47 100 CALM 30.21F TC 8
JOLIET* CLEAR 47 47 100 CALM 30.22S FOG TC 8
WAUKEGAN CLEAR 46 46 100 CALM 30.22F TC 8
DUPAGE AIRPORT CLEAR 47 45 93 N3 30.22F TC 8
KANKAKEE* CLEAR 48 47 94 CALM 30.22S TC 9
WHEELING MOCLDY 47 47 100 CALM 30.23F TC 8
LANSING* CLEAR 49 47 92 CALM 30.22F TC 10
NORTHERLY ISL* N/A 58 52 80 E5 N/A TC 14
LMZ740>746-261200-
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 63 64 70/ 8/ 12 1021.8 1/ 3
WAUKEGAN HARBOR 62 63 70/ 10/ 14 1022.6 2/ 3
WILMETTE BUOY 61 100/ 12/ 14 1024.8F 1/ 3
CHICAGO BUOY 60 63 120/ 8/ 12 1022.2 2/ 3
HARRISON CRIB 60 110/ 10/ 11 N/A
NORTHERLY ISL 58 100/ 5/ 8 N/A
CALUMET HARBOR 59 90/ 4/ 5 1023.2F
MICHIGAN CITY 52 80/ 3/ 5 1023.1R
MICH CITY BUOY 56 60 110/ 8/ 12 N/A 1
ST. JOSEPH BUOY 52 52 50/ 2/ 4 1024.4R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-261200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 59 54 83 E3 30.16R TC 15
GALESBURG* CLOUDY 56 53 89 E5 30.19S TC 14
MACOMB* MOCLDY 56 56 98 E3 30.19S TC 14
JACKSONVILLE* MOCLDY 57 52 81 E3 30.16S TC 14
PITTSFIELD* LGT RAIN 58 55 87 E3 30.16S TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-261200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 49 48 97 CALM 30.21S TC 9
BLOOMINGTON MOCLDY 53 52 96 E9 30.20S TC 12
DECATUR MOCLDY 57 52 83 E7 30.18R TC 14
PEORIA CLOUDY 58 51 78 E8 30.18S TC 14
LACON* PTCLDY 53 48 84 E6 30.19S TC 11
LINCOLN* CLOUDY 57 53 86 NE3 30.18S TC 14
SPRINGFIELD CLOUDY 58 51 78 NE6 30.17S TC 14
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-261200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 53 50 89 E8 30.19R TC 12
RANTOUL* PTCLDY 51 50 94 NE5 30.20S TC 11
MATTOON MOCLDY 56 52 86 NE3 30.16F TC 13
PARIS* PTCLDY 51 50 97 E3 30.19R TC 11
ILZ079-100>102-261200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 61 51 69 E3 30.15S TC 16
BELLEVILLE CLOUDY 62 56 81 NE5 30.12R TC 17
CAHOKIA* MOCLDY 62 54 74 NE5 30.14R TC 17
SPARTA* PTCLDY 61 52 72 E5 30.13F TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-261200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 61 57 85 CALM 30.11R TC 16
EFFINGHAM* PTCLDY 57 51 80 NE5 30.17F TC 14
MARION PTCLDY 61 52 72 NE5 30.12S TC 16
MT. VERNON PTCLDY 61 51 70 N5 30.15R TC 16
CENTRALIA* PTCLDY 60 53 77 CALM 30.15R TC 16
SALEM* PTCLDY 61 52 72 MISG 30.15S TC 16
METROPOLIS* MOCLDY 59 54 84 CALM 30.11S TC 15
ILZ067-068-072-073-078-083-087-091-261200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 56 51 84 N6 30.16R TC 13
FLORA* PTCLDY 57 52 82 NE5 30.16S TC 14
FAIRFIELD* PTCLDY 59 50 73 N3 30.14S TC 15
HARRISBURG* CLOUDY 61 53 73 CALM 30.13S TC 16
ROBINSON* PTCLDY 55 54 94 NE5 30.15S TC 13
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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