451
ASUS43 KLOT 292310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 PM CDT TUE SEP 29 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.
ILZ001-002-007-009-015-016-024-300000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 76 55 48 SE7 29.87S TC 24
STERLING* MOCLDY 76 51 41 SE5 29.91S TC 24
SAVANNA* MOCLDY 77 55 46 S7 29.88S TC 25
ILZ003-004-008-010-011-017-018-300000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 75 48 38 S7 29.92R TC 24
FREEPORT* CLOUDY 75 49 39 S7 29.92S TC 24
ROCHELLE* MOCLDY 74 44 34 S5 29.93R TC 23
DE KALB* MOCLDY 72 52 50 S3 29.93S TC 22
PERU* PTCLDY 75 50 41 CALM 29.92S TC 24
ILZ005-006-012>014-019>023-300000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 75 49 39 S6 29.92S TC 24
CHICAGO-MIDWAY MOCLDY 77 46 33 S6 29.92F TC 25
AURORA PTCLDY 74 49 41 SE5 29.91F TC 23
JOLIET* PTCLDY 74 52 45 SE3 29.93F TC 24
WAUKEGAN MOCLDY 67 60 78 SE6 29.92F TC 19
DUPAGE AIRPORT PTCLDY 74 53 48 SE5 29.92F TC 23
KANKAKEE* PTCLDY 76 46 34 S5 29.95S TC 25
WHEELING PTCLDY 74 50 42 S6 29.93F TC 23
LANSING* PTCLDY 75 49 40 S6 29.94S TC 24
NORTHERLY ISL* N/A 68 59 73 SE3 N/A TC 20
LMZ740>746-300000-
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 66 65 150/ 4/ 6 1011.1 1/ 3
WAUKEGAN HARBOR 66 66 190/ 4/ 6 1013.9 1/ 2
WILMETTE BUOY 67 150/ 4/ 6 1015.9F 1/ 2
CHICAGO BUOY 67 65 120/ 8/ 12 1012.5 1/ 2
HARRISON CRIB 68 110/ 13/ 14 N/A
NORTHERLY ISL 67 140/ 1/ 5 N/A
CALUMET HARBOR 69 80/ 6/ 7 1013.8
MICHIGAN CITY 70 50/ 5/ 6 1013.0F
MICH CITY BUOY 65 64 80/ 6/ 6 N/A 0
ST. JOSEPH BUOY 66 64 60/ 4/ 6 1015.0F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-300000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 79 52 38 SE8 29.89S TC 26
GALESBURG* MOCLDY 74 57 54 SE3 29.91S TC 24
MACOMB* MOCLDY 80 53 40 S7 29.92F HX 80 TC 27
JACKSONVILLE* PTCLDY 79 52 38 S5 29.92S TC 26
PITTSFIELD* PTCLDY 79 51 37 SE7 29.92S TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-300000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 76 47 36 S3 29.93S TC 25
BLOOMINGTON PTCLDY 75 49 39 S7 29.95S TC 24
DECATUR PTCLDY 76 48 37 S6 29.95S TC 24
PEORIA PTCLDY 77 48 35 S6 29.91S TC 25
LACON* PTCLDY 77 52 41 S3 29.91R TC 25
SPRINGFIELD PTCLDY 79 46 31 S5 29.92F TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-300000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 77 45 32 SE7 29.96S TC 25
RANTOUL* PTCLDY 78 45 30 S8 29.96S TC 26
MATTOON PTCLDY 78 49 35 S6 29.95F TC 26
PARIS* PTCLDY 74 50 43 SE3 29.98S TC 23
ILZ079-100>102-300000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 77 52 41 S6 29.93 TC 25
BELLEVILLE CLEAR 77 59 52 E3 29.91S TC 25
CAHOKIA* PTCLDY 78 54 43 SE5 29.91F TC 26
SPARTA* PTCLDY 80 49 32 SE3 29.95S HX 80 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-300000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 81 48 32 S5 29.95R HX 80 TC 27
CAIRO* CLEAR 83 52 33 E5 29.95S HX 82 TC 28
EFFINGHAM* PTCLDY 77 51 40 CALM 29.97F TC 25
MT. VERNON PTCLDY 82 48 30 SW6 29.95F HX 81 TC 28
CENTRALIA* PTCLDY 80 47 31 S6 29.95S TC 27
SALEM* PTCLDY 83 46 28 MISG 29.95F HX 81 TC 28
METROPOLIS* CLEAR 82 49 32 CALM 29.96S HX 80 TC 28
ILZ067-068-072-073-078-083-087-091-300000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 76 56 49 SE7 29.97R TC 24
FLORA* PTCLDY 81 50 34 SE3 29.96S HX 80 TC 27
FAIRFIELD* PTCLDY 81 45 28 SE3 29.96S HX 80 TC 27
HARRISBURG* PTCLDY 81 50 33 SE7 29.96S HX 80 TC 27
ROBINSON* PTCLDY 79 52 38 S3 29.97R TC 26
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