339
ASUS43 KLOT 011003
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT THU OCT 01 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.
ILZ001-002-007-009-015-016-024-011100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 65 64 97 VRB3 29.80S TC 18
STERLING* CLOUDY 64 64 100 E5 29.83S TC 18
SAVANNA* LGT RAIN 64 64 100 CALM 29.82R TC 18
ILZ003-004-008-010-011-017-018-011100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 64 63 96 CALM 29.83F TC 18
FREEPORT* CLOUDY 64 63 94 SE5 29.82F TC 18
DE KALB* CLOUDY 63 63 100 E5 29.85F TC 17
ILZ005-006-012>014-019>023-011100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 65 63 93 S3 29.86R TC 18
CHICAGO-MIDWAY LGT RAIN 65 63 93 CALM 29.86R TC 18
AURORA LGT RAIN 63 63 100 E5 29.85F FOG TC 17
JOLIET* RAIN 65 65 100 CALM 29.87S TC 19
WAUKEGAN LGT RAIN 64 63 96 S6 29.86R TC 18
DUPAGE AIRPORT LGT RAIN 63 62 97 CALM 29.87R TC 17
KANKAKEE* CLOUDY 65 64 94 CALM 29.88S TC 19
WHEELING LGT RAIN 64 64 100 CALM 29.88R TC 18
LANSING* LGT RAIN 64 63 96 CALM 29.89R TC 18
NORTHERLY ISL* N/A 64 61 90 CALM N/A TC 18
LMZ740>746-011100-
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 64 120/ 6/ 8 1011.2F 1
WAUKEGAN HARBOR 65 65 160/ 4/ 6 1012.3R 0
WILMETTE BUOY 65 150/ 6/ 10 1013.2R 1
CHICAGO BUOY 66 64 170/ 4/ 6 1010.6R 1
HARRISON CRIB 66 160/ 7/ 8 N/A
NORTHERLY ISL 64 160/ 1/ 5 N/A
CALUMET HARBOR 65 170/ 3/ 3 1011.6
MICHIGAN CITY 68 180/ 3/ 4 1010.5F
MICH CITY BUOY 66 63 160/ 4/ 6 N/A 0
ST. JOSEPH BUOY 63 61 150/ 4/ 4 1012.7F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-011100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 77 63 61 S9 29.81S TC 25
MACOMB* CLOUDY 69 68 95 S7 29.84R TC 21
PITTSFIELD* MOCLDY 77 63 60 S8 29.85S TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-011100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 71 62 73 S9 29.88S TC 22
DECATUR MOCLDY 73 60 63 S10 29.89S TC 23
PEORIA CLOUDY 70 63 78 S6 29.83S TC 21
LACON* MOCLDY 64 62 94 CALM 29.82F TC 18
SPRINGFIELD MOCLDY 74 61 63 S7 29.86R TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-011100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 74 58 57 S8 29.89S TC 23
MATTOON MOCLDY 74 57 55 S7 29.91R TC 23
ILZ079-100>102-011100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* PTCLDY 68 63 84 CALM 29.87S TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-011100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* PTCLDY 68 58 71 SE5 29.94R TC 20
MT. VERNON MOCLDY 72 59 63 S6 29.93R TC 22
CENTRALIA* MOCLDY 74 59 60 S7 29.92R TC 23
SALEM* MOCLDY 77 60 56 MISG 29.92R TC 25
ILZ067-068-072-073-078-083-087-091-011100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 67 56 67 S6 29.95R TC 19
FAIRFIELD* MOCLDY 70 56 60 CALM 29.93S TC 21
HARRISBURG* PTCLDY 69 58 66 S5 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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