228
ASUS43 KLOT 300408
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-300500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 72 54 53 S9 29.88R TC 22
STERLING* CLOUDY 71 50 47 VRB5 29.90S TC 22
SAVANNA* CLOUDY 70 55 57 S7 29.88S TC 21
ILZ003-004-008-010-011-017-018-300500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 68 48 48 SE7 29.91S TC 20
FREEPORT* CLOUDY 69 53 56 S6 29.91S TC 21
ROCHELLE* CLOUDY 64 50 59 S5 29.91F TC 18
DE KALB* CLOUDY 62 50 65 S7 29.93S TC 17
ILZ005-006-012>014-019>023-300500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 69 49 48 S9 29.92S TC 21
CHICAGO-MIDWAY CLOUDY 71 49 45 S9 29.93S TC 22
AURORA CLOUDY 66 48 52 S7 29.92S TC 19
JOLIET* MOCLDY 68 51 54 S6 29.94S TC 20
WAUKEGAN CLOUDY 66 56 70 S5 29.91S TC 19
DUPAGE AIRPORT CLOUDY 67 50 54 S8 29.93R TC 19
KANKAKEE* MOCLDY 66 51 57 S7 29.97S TC 19
WHEELING CLOUDY 65 55 70 S7 29.93S TC 18
ROMEOVILLE* CLOUDY 66 52 59 S9 29.94S TC 19
LANSING* MOCLDY 63 51 65 S7 29.95F TC 17
NORTHERLY ISL* N/A 70 48 45 S9 N/A TC 21
LMZ740>746-300500-
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/ 8/ 10 1012.7R 1/ 3
WAUKEGAN HARBOR 66 66 170/ 10/ 14 1013.5F 1/ 3
CHICAGO BUOY 69 64 200/ 12/ 14 1012.5F 1/ 2
HARRISON CRIB 71 190/ 15/ 16 N/A
NORTHERLY ISL 70 160/ 7/ 8 N/A
CALUMET HARBOR 70 170/ 7/ 10 1013.9
MICHIGAN CITY 69 160/ 10/ 12 1013.0S
MICH CITY BUOY 65 63 180/ 10/ 12 N/A 1
ST. JOSEPH BUOY 66 62 160/ 10/ 12 1015.1F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-300500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 72 52 49 S6 29.90F TC 22
GALESBURG* MOCLDY 68 56 65 S6 29.92S TC 20
MACOMB* MOCLDY 70 54 55 S6 29.93F TC 21
JACKSONVILLE* MOCLDY 72 50 45 S8 29.93S TC 22
PITTSFIELD* MOCLDY 70 51 50 SE3 29.93S TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-300500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 65 50 58 S5 29.95S TC 19
BLOOMINGTON MOCLDY 65 50 58 S8 29.97S TC 18
DECATUR MOCLDY 65 51 60 S7 29.97S TC 18
PEORIA MOCLDY 69 49 48 S8 29.92F TC 21
LACON* MOCLDY 69 48 47 S5 29.91F TC 20
SPRINGFIELD MOCLDY 71 48 43 S7 29.94F TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-300500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 63 51 65 S5 29.98S TC 17
RANTOUL* MOCLDY 60 53 77 S3 29.98S TC 15
MATTOON PTCLDY 65 52 62 S5 29.98R TC 18
PARIS* MOCLDY 61 53 75 SE5 29.99S TC 16
ILZ079-100>102-300500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 66 53 64 E5 29.96S TC 19
BELLEVILLE CLEAR 66 58 76 CALM 29.94S TC 19
CAHOKIA* CLOUDY 70 52 52 S3 29.94S TC 21
SPARTA* MOCLDY 67 51 56 SE5 29.98S TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-300500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLOUDY 64 58 80 CALM 29.98S TC 18
EFFINGHAM* MOCLDY 62 54 75 CALM 30.00S TC 16
MARION MOCLDY 68 52 56 SE5 29.98F TC 20
MT. VERNON MOCLDY 61 55 81 CALM 29.99R TC 16
CENTRALIA* MOCLDY 66 52 60 SE7 29.98S TC 19
SALEM* MOCLDY 68 53 57 MISG 29.98S TC 20
METROPOLIS* MOCLDY 60 56 87 CALM 29.99S TC 16
ILZ067-068-072-073-078-083-087-091-300500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 63 56 78 CALM 29.99S TC 17
FLORA* MOCLDY 61 54 77 CALM 29.99S TC 16
FAIRFIELD* MOCLDY 63 52 69 CALM 29.99S TC 17
HARRISBURG* MOCLDY 61 55 82 CALM 29.99S TC 16
ROBINSON* MOCLDY 55 54 94 CALM 29.99S TC 13
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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