016
ASUS43 KLOT 260508
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-260600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 61 56 83 E6 30.21F TC 16
STERLING* CLOUDY 57 54 89 E6 30.25S TC 14
SAVANNA* CLOUDY 56 53 88 E5 30.24S TC 14
ILZ003-004-008-010-011-017-018-260600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 54 52 93 NE3 30.27F TC 12
FREEPORT* CLEAR 50 49 95 CALM 30.27F TC 10
ROCHELLE* PTCLDY 54 52 93 E3 30.26S TC 12
DE KALB* CLEAR 52 52 100 CALM 30.26F TC 11
ILZ005-006-012>014-019>023-260600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 57 49 74 NE6 30.25F TC 14
CHICAGO-MIDWAY PTCLDY 58 49 72 CALM 30.25F TC 14
AURORA CLEAR 51 50 96 CALM 30.25F TC 11
JOLIET* CLEAR 53 50 90 CALM 30.25F TC 11
WAUKEGAN CLEAR 49 49 100 CALM 30.26F TC 9
DUPAGE AIRPORT CLEAR 51 48 89 NE3 30.26F TC 11
KANKAKEE* CLEAR 51 50 95 CALM 30.25F TC 11
WHEELING PTCLDY 52 51 97 CALM 30.27F TC 11
ROMEOVILLE* CLEAR 52 50 93 NE7 30.26S TC 11
LANSING* CLEAR 55 49 78 CALM 30.26S TC 13
NORTHERLY ISL* N/A 61 52 72 NE12 N/A TC 16
LMZ740>746-260600-
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 65 50/ 12/ 14 1022.8F 1/ 3
WAUKEGAN HARBOR 64 64 40/ 8/ 12 1023.6F 1/ 3
WILMETTE BUOY 64 80/ 10/ 14 1026.2F 1/ 2
CHICAGO BUOY 64 63 70/ 10/ 14 1023.1F 1/ 3
HARRISON CRIB 63 70/ 12/ 13 N/A
NORTHERLY ISL 62 50/ 11/ 11 N/A
CALUMET HARBOR 61 30/ 9/ 11 1024.4F
MICHIGAN CITY 56 70/ 6/ 6 1023.7F
MICH CITY BUOY 58 61 60/ 8/ 10 N/A 1/ 2
ST. JOSEPH BUOY 53 53 40/ 4/ 4 1025.2F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-260600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 63 60 90 E5 30.18F TC 17
GALESBURG* CLOUDY 59 55 85 E7 30.22F TC 15
MACOMB* CLOUDY 62 61 97 E6 30.22F TC 17
JACKSONVILLE* CLOUDY 62 57 83 E8 30.18F TC 17
PITTSFIELD* MOCLDY 63 63 99 E5 30.18F TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-260600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 58 53 81 NE5 30.23F TC 15
BLOOMINGTON CLOUDY 59 51 75 NE7 30.23F TC 15
DECATUR PTCLDY 56 49 77 NE6 30.20F TC 13
PEORIA CLOUDY 60 50 69 E8 30.21F TC 16
LACON* CLOUDY 59 50 72 E5 30.22F TC 15
LINCOLN* CLOUDY 57 51 80 NE3 30.21S TC 14
SPRINGFIELD PTCLDY 62 50 64 E7 30.19S TC 17
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-260600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 61 47 59 NE9 30.21F TC 16
RANTOUL* CLOUDY 59 49 68 NE6 30.22F TC 15
MATTOON MOCLDY 59 50 72 NE3 30.19F TC 15
PARIS* CLOUDY 59 49 69 NE5 30.20F TC 15
ILZ079-100>102-260600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 65 53 63 E5 30.17S TC 19
CAHOKIA* CLOUDY 65 59 81 CALM 30.16S TC 18
SPARTA* PTCLDY 62 55 79 NE3 30.17S TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-260600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 61 60 98 CALM 30.14S TC 16
EFFINGHAM* MOCLDY 63 49 59 NE3 30.20S TC 17
MARION CLOUDY 64 52 63 N1 30.15S TC 18
MT. VERNON CLOUDY 64 51 62 NE5 30.16F TC 18
CENTRALIA* CLOUDY 64 52 65 E5 30.16F TC 18
SALEM* CLOUDY 66 52 62 MISG 30.16F TC 19
METROPOLIS* CLEAR 57 54 87 CALM 30.14S TC 14
ILZ067-068-072-073-078-083-087-091-260600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 64 50 60 NE7 30.17F TC 18
FLORA* CLOUDY 64 52 63 NE3 30.17F TC 18
FAIRFIELD* CLOUDY 64 50 60 CALM 30.16S TC 18
HARRISBURG* CLOUDY 63 53 68 CALM 30.15S TC 17
ROBINSON* CLOUDY 63 54 72 NE6 30.17F TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page