405
ASUS43 KLOT 010201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-010300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 65 64 97 CALM 29.85F TC 18
STERLING* CLOUDY 65 64 97 CALM 29.88R TC 18
SAVANNA* LGT RAIN 65 65 100 S3 29.86S TC 19
ILZ003-004-008-010-011-017-018-010300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 64 63 96 S3 29.89R TC 18
FREEPORT* CLOUDY 65 64 95 SW5 29.90R TC 18
ROCHELLE* CLOUDY 64 64 100 SW3 29.89R TC 18
DE KALB* CLOUDY 63 63 100 S5 29.90S TC 17
ILZ005-006-012>014-019>023-010300-
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 60 84 SW6 29.88R TC 18
AURORA CLOUDY 63 62 97 CALM 29.89S TC 17
JOLIET* MOCLDY 65 65 100 CALM 29.89S TC 18
WAUKEGAN LGT RAIN 64 63 96 SW7 29.87S TC 18
DUPAGE AIRPORT CLOUDY 63 62 97 CALM 29.89S TC 17
KANKAKEE* MOCLDY 64 63 95 SE5 29.91S TC 18
WHEELING CLOUDY 64 63 96 SW7 29.90S TC 18
ROMEOVILLE* CLOUDY 64 64 100 CALM 29.90R TC 18
LANSING* CLOUDY 64 59 85 S6 29.91R TC 18
NORTHERLY ISL* N/A 65 59 81 SW2 N/A TC 18
LMZ740>746-010300-
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 64 170/ 8/ 10 1011.9F 2/ 4
WAUKEGAN HARBOR 65 64 210/ 10/ 16 1012.3S 1/ 4
WILMETTE BUOY 65 180/ 12/ 14 1013.9S 1/ 4
CHICAGO BUOY 66 64 220/ 4/ 6 1011.0R 1/ 3
HARRISON CRIB 66 200/ 5/ 6 N/A
NORTHERLY ISL 64 200/ 4/ 11 N/A
CALUMET HARBOR 65 170/ 7/ 9 1012.0
MICHIGAN CITY 65 150/ 13/ 15 1011.3F
MICH CITY BUOY 64 63 170/ 12/ 16 N/A 1/ 2
ST. JOSEPH BUOY 64 60 170/ 12/ 16 1013.0F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-010300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 74 65 73 E5 29.84S TC 23
GALESBURG* CLOUDY 66 65 96 CALM 29.88R TC 19
MACOMB* CLOUDY 67 67 99 E3 29.88R TC 20
PITTSFIELD* CLOUDY 75 66 73 CALM 29.86S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-010300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 64 64 100 E5 29.89S TC 18
BLOOMINGTON MOCLDY 70 60 70 SE9 29.90S TC 21
DECATUR MOCLDY 69 59 70 CALM 29.89S TC 21
PEORIA MOCLDY 66 64 93 NE6 29.87S TC 19
LACON* MOCLDY 63 61 92 S3 29.88R TC 17
SPRINGFIELD MOCLDY 73 62 68 SE5 29.87R TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-010300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 68 61 78 E6 29.91R TC 20
MATTOON PTCLDY 76 58 53 S8 29.91R TC 24
ILZ079-100>102-010300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* PTCLDY 80 61 52 SE7 29.87R HX 81 TC 27
SPARTA* MOCLDY 77 59 53 SE5 29.91S TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-010300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 71 63 76 CALM 29.93R TC 22
EFFINGHAM* PTCLDY 73 58 57 SE7 29.93R TC 23
MARION CLEAR 79 57 47 SE7 29.92R HX 80 TC 26
MT. VERNON PTCLDY 77 58 51 SE5 29.92R TC 25
CENTRALIA* PTCLDY 78 58 50 SE7 29.91S TC 25
SALEM* PTCLDY 80 60 50 MISG 29.91R HX 81 TC 27
ILZ067-068-072-073-078-083-087-091-010300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 70 59 68 S7 29.94R TC 21
FAIRFIELD* PTCLDY 77 55 46 SE5 29.93R TC 25
HARRISBURG* CLEAR 71 59 64 SE6 29.94R TC 22
ROBINSON* MOCLDY 72 57 60 S8 29.93R TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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