897
ASUS43 KLOT 300312
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-300400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 72 54 53 S10 29.87S TC 22
STERLING* MOCLDY 69 52 54 SE5 29.90S TC 21
SAVANNA* CLOUDY 70 55 59 S5 29.88S TC 21
ILZ003-004-008-010-011-017-018-300400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 70 47 43 SE9 29.91S TC 21
FREEPORT* CLOUDY 70 53 54 S7 29.91S TC 21
ROCHELLE* MOCLDY 65 49 55 S6 29.91F TC 19
DE KALB* MOCLDY 62 50 63 S6 29.93S TC 17
PERU* MOCLDY 68 50 52 S7 29.92S TC 20
ILZ005-006-012>014-019>023-300400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 68 55 63 S6 29.92F TC 20
CHICAGO-MIDWAY MOCLDY 72 48 42 S10 29.93F TC 22
AURORA MOCLDY 66 48 52 S6 29.92S TC 19
JOLIET* MOCLDY 69 49 49 S6 29.94S TC 20
WAUKEGAN MOCLDY 67 57 70 S7 29.91F TC 19
DUPAGE AIRPORT MOCLDY 66 52 60 S6 29.92F TC 19
KANKAKEE* MOCLDY 67 50 53 S7 29.97R TC 20
WHEELING MOCLDY 66 57 72 S5 29.93F TC 19
ROMEOVILLE* MOCLDY 64 52 63 S8 29.94S TC 18
LANSING* MOCLDY 62 51 66 S7 29.96S TC 17
NORTHERLY ISL* N/A 68 51 54 S8 N/A TC 20
LMZ740>746-300400-
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 65 160/ 8/ 19 1012.6 1/ 3
WAUKEGAN HARBOR 66 66 180/ 8/ 10 1013.6 1/ 3
WILMETTE BUOY 66 130/ 8/ 12 1015.8 1/ 3
CHICAGO BUOY 67 64 190/ 6/ 8 1012.6 1/ 2
HARRISON CRIB 67 170/ 7/ 8 N/A
NORTHERLY ISL 63 CALM / 2 N/A
CALUMET HARBOR 70 170/ 5/ 7 1013.9
MICHIGAN CITY 70 160/ 10/ 12 1013.0F
MICH CITY BUOY 66 63 170/ 10/ 10 N/A 1
ST. JOSEPH BUOY 66 62 150/ 8/ 10 1015.3F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-300400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 72 53 51 S7 29.91S TC 22
GALESBURG* CLOUDY 69 56 64 S6 29.92S TC 21
MACOMB* CLOUDY 69 55 59 S6 29.94R TC 21
JACKSONVILLE* CLOUDY 72 51 47 SE6 29.93S TC 22
PITTSFIELD* CLOUDY 70 52 53 SE5 29.93F TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-300400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 65 49 57 S5 29.95S TC 18
BLOOMINGTON MOCLDY 66 51 58 S8 29.97R TC 19
DECATUR PTCLDY 67 50 54 S7 29.97R TC 19
PEORIA CLOUDY 69 49 48 S8 29.93R TC 21
LACON* CLOUDY 67 48 51 CALM 29.92R TC 20
SPRINGFIELD PTCLDY 68 50 52 S6 29.95R TC 20
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-300400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 61 51 70 SE6 29.98S TC 16
RANTOUL* MOCLDY 61 52 72 SE3 29.98S TC 16
MATTOON MOCLDY 64 52 64 SE6 29.97S TC 18
PARIS* MOCLDY 61 53 74 SE5 29.99S TC 16
ILZ079-100>102-300400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 68 54 60 SE6 29.95S TC 20
BELLEVILLE CLEAR 66 60 81 CALM 29.94R TC 19
CAHOKIA* CLOUDY 71 52 50 S3 29.94R TC 22
SPARTA* MOCLDY 69 50 51 SE5 29.98R TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-300400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 63 58 82 CALM 29.98S TC 17
EFFINGHAM* PTCLDY 62 55 77 E3 30.00R TC 17
MARION MOCLDY 68 52 56 S3 29.98R TC 20
MT. VERNON MOCLDY 66 52 60 CALM 29.98R TC 19
CENTRALIA* MOCLDY 60 52 74 SE3 29.98R TC 16
SALEM* PTCLDY 69 52 54 MISG 29.98R TC 21
METROPOLIS* MOCLDY 60 55 82 CALM 29.98F TC 16
ILZ067-068-072-073-078-083-087-091-300400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 64 54 69 CALM 29.99R TC 18
FLORA* PTCLDY 63 54 72 CALM 29.99R TC 17
FAIRFIELD* PTCLDY 66 51 58 CALM 29.98S TC 19
HARRISBURG* PTCLDY 62 55 77 CALM 29.99R TC 17
ROBINSON* MOCLDY 57 55 94 E3 29.99R TC 14
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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