017
ASUS43 KLOT 260910
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-261000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 57 54 89 E5 30.19R TC 14
STERLING* PTCLDY 52 51 97 E6 30.21F TC 11
SAVANNA* PTCLDY 52 50 94 E6 30.21S TC 11
ILZ003-004-008-010-011-017-018-261000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 48 48 100 CALM 30.24F TC 9
FREEPORT* MOCLDY 49 48 95 E3 30.24S TC 9
ROCHELLE* PTCLDY 49 49 99 NE3 30.22F TC 10
DE KALB* PTCLDY 48 48 100 E6 30.24R TC 9
PERU* CLOUDY 54 48 82 E3 30.20F TC 12
ILZ005-006-012>014-019>023-261000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 53 50 89 N3 30.22R TC 12
CHICAGO-MIDWAY PTCLDY 55 50 83 CALM 30.22S TC 13
AURORA CLOUDY 50 49 96 NE5 30.22S TC 10
JOLIET* PTCLDY 51 51 100 CALM 30.22S TC 11
WAUKEGAN CLEAR 47 47 100 CALM 30.22S TC 8
DUPAGE AIRPORT CLEAR 47 46 97 N5 30.23S TC 8
KANKAKEE* CLEAR 49 48 95 CALM 30.22S TC 10
WHEELING CLEAR 49 49 100 CALM 30.25R TC 9
ROMEOVILLE* CLEAR 50 50 100 NE5 30.23R TC 10
LANSING* CLEAR 48 47 95 CALM 30.23R TC 9
NORTHERLY ISL* N/A 59 50 72 E9 N/A TC 15
LMZ740>746-261000-
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 64 60/ 10/ 14 1021.8 1/ 3
WAUKEGAN HARBOR 63 64 60/ 10/ 16 1022.6 1/ 3
WILMETTE BUOY 62 90/ 10/ 14 1025.1R 2/ 3
CHICAGO BUOY 61 63 100/ 10/ 14 1022.1 2/ 3
HARRISON CRIB 61 90/ 11/ 13 N/A
NORTHERLY ISL 60 60/ 9/ 11 N/A
CALUMET HARBOR 61 80/ 7/ 9 1023.2
MICHIGAN CITY 54 70/ 4/ 5 1023.0R
MICH CITY BUOY 57 60 100/ 6/ 8 N/A 1
ST. JOSEPH BUOY 53 52 90/ 6/ 8 1024.1S 0
ILZ025>027-034>036-040-047-049-050-058-095>099-261000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 62 54 74 E6 30.15S TC 17
GALESBURG* CLOUDY 56 53 88 E6 30.19F TC 14
MACOMB* CLOUDY 59 57 94 E3 30.20S TC 15
JACKSONVILLE* CLOUDY 59 51 74 E6 30.16S TC 15
PITTSFIELD* CLOUDY 62 54 74 E3 30.16F TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-261000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 52 49 92 NE3 30.20F TC 11
BLOOMINGTON CLOUDY 55 52 89 NE6 30.20S TC 13
DECATUR MOCLDY 57 52 83 E3 30.18S TC 14
PEORIA CLOUDY 57 51 80 E3 30.19S TC 14
LACON* CLOUDY 56 49 76 E5 30.19S TC 14
LINCOLN* MOCLDY 58 53 84 CALM 30.19R TC 14
SPRINGFIELD CLOUDY 59 49 69 E6 30.16F TC 15
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-261000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 56 50 80 NE8 30.18F TC 13
RANTOUL* PTCLDY 54 51 89 NE6 30.19F TC 12
MATTOON PTCLDY 55 51 86 NE5 30.15F TC 13
PARIS* PTCLDY 54 50 87 CALM 30.18S TC 12
ILZ079-100>102-261000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 62 51 66 NE3 30.14F TC 17
BELLEVILLE CLOUDY 63 57 81 NE6 30.10F TC 17
CAHOKIA* CLOUDY 64 55 72 NE5 30.12F TC 18
SPARTA* MOCLDY 62 54 74 NE3 30.13S TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-261000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 58 55 89 CALM 30.10F TC 15
EFFINGHAM* PTCLDY 56 50 78 CALM 30.18R TC 14
MARION MOCLDY 61 54 77 NE6 30.11F TC 16
MT. VERNON CLOUDY 59 53 80 N3 30.13F TC 15
CENTRALIA* MOCLDY 60 54 79 E5 30.14S TC 16
SALEM* PTCLDY 62 53 72 MISG 30.14S TC 16
METROPOLIS* PTCLDY 56 55 98 CALM 30.10F TC 13
ILZ067-068-072-073-078-083-087-091-261000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 57 50 77 NE9 30.14F TC 14
FLORA* PTCLDY 55 52 88 N3 30.15R TC 13
FAIRFIELD* MOCLDY 60 50 69 CALM 30.13S TC 16
HARRISBURG* MOCLDY 62 53 70 CALM 30.13S TC 17
ROBINSON* MOCLDY 54 54 100 N5 30.15S TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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