685
ASUS43 KLOT 010304
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT WED SEP 30 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.
ILZ001-002-007-009-015-016-024-010400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 66 64 93 CALM 29.86R TC 19
STERLING* CLOUDY 65 64 97 CALM 29.88S TC 18
SAVANNA* DRIZZLE 65 65 100 CALM 29.88R TC 18
ILZ003-004-008-010-011-017-018-010400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 64 63 96 SE3 29.90R TC 18
FREEPORT* CLOUDY 65 64 96 S7 29.89F TC 18
DE KALB* RAIN 63 63 100 S6 29.91R TC 17
ILZ005-006-012>014-019>023-010400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 64 62 93 CALM 29.88S TC 18
CHICAGO-MIDWAY CLOUDY 65 61 87 W3 29.88S TC 18
AURORA LGT RAIN 63 63 100 N3 29.89S FOG TC 17
JOLIET* MOCLDY 65 65 100 CALM 29.89S TC 19
WAUKEGAN CLOUDY 64 63 96 SW6 29.87S TC 18
DUPAGE AIRPORT CLOUDY 63 62 97 CALM 29.89S TC 17
WHEELING CLOUDY 65 62 90 SW5 29.90S TC 18
LANSING* CLOUDY 64 59 83 S5 29.89F TC 18
NORTHERLY ISL* N/A 66 59 78 W6 N/A TC 19
LMZ740>746-010400-
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 64 180/ 8/ 10 1011.7F 2/ 5
WAUKEGAN HARBOR 65 64 220/ 6/ 8 1012.5R 1/ 4
WILMETTE BUOY 65 170/ 8/ 12 1013.9F 1/ 4
CHICAGO BUOY 67 64 220/ 4/ 6 1011.2R 1/ 3
HARRISON CRIB 67 180/ 5/ 6 N/A
NORTHERLY ISL 65 220/ 4/ 7 N/A
CALUMET HARBOR 66 170/ 7/ 11 1012.0F
MICHIGAN CITY 66 150/ 10/ 13 1010.9F
MICH CITY BUOY 65 63 180/ 12/ 16 N/A 1/ 2
ST. JOSEPH BUOY 65 60 170/ 14/ 16 1012.8F 2
ILZ025>027-034>036-040-047-049-050-058-095>099-010400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 73 65 75 SE6 29.84S TC 23
MACOMB* LGT RAIN 67 67 100 CALM 29.89R TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-010400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 70 61 73 SE8 29.90S TC 21
DECATUR MOCLDY 72 60 66 S7 29.90R TC 22
PEORIA CLOUDY 66 63 90 E3 29.87S TC 19
SPRINGFIELD MOCLDY 73 62 68 CALM 29.87S TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-010400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 69 60 73 SE6 29.91S TC 21
MATTOON MOCLDY 76 58 53 S8 29.92R TC 24
ILZ079-100>102-010400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* PTCLDY 78 62 57 SE6 29.87S HX 80 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-010400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* MOCLDY 75 56 52 SE10 29.94R TC 24
MT. VERNON PTCLDY 79 58 48 S8 29.93R HX 80 TC 26
SALEM* MOCLDY 81 59 47 MISG 29.92R HX 81 TC 27
ILZ067-068-072-073-078-083-087-091-010400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 69 58 67 S8 29.94S TC 21
FAIRFIELD* CLEAR 76 56 50 S3 29.94R TC 24
HARRISBURG* CLEAR 70 58 66 CALM 29.95R TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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