130
ASUS43 KLOT 181401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CDT SUN OCT 18 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.
ILZ001-002-007-009-015-016-024-181500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 48 36 63 S14 30.42F TC 9
STERLING* SUNNY 47 36 65 VRB5 30.45S TC 8
SAVANNA* SUNNY 44 38 78 S6 30.43S TC 7
ILZ003-004-008-010-011-017-018-181500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 45 38 76 S9 30.45S TC 7
FREEPORT* SUNNY 48 38 66 SW18G24 30.43S TC 9
DE KALB* SUNNY 45 37 72 SW16 30.46R TC 7
ILZ005-006-012>014-019>023-181500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 48 31 51 S12G18 30.45S TC 9
CHICAGO-MIDWAY SUNNY 48 31 51 SW12 30.48R TC 9
AURORA SUNNY 44 37 76 SW7 30.47R TC 7
JOLIET* SUNNY 47 37 70 S8 30.49S TC 8
WAUKEGAN SUNNY 48 36 63 SW13 30.42F TC 9
DUPAGE AIRPORT SUNNY 46 35 65 SW12 30.46S TC 8
KANKAKEE* SUNNY 45 33 64 S7 30.52S TC 7
WHEELING SUNNY 48 32 53 SW9 30.47R TC 9
NORTHERLY ISL* N/A 48 28 46 SW7 N/A TC 9
LMZ740>746-181500-
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 49 57 1027.4R
WAUKEGAN HARBOR 49 55 220/ 16/ 23 1028.5R 2/ 3
WILMETTE BUOY 50 180/ 17/ 21 1034.6R 2/ 3
CHICAGO BUOY 51 58 220/ 14/ 23 1030.3S 1
HARRISON CRIB 49 210/ 16/ 18 N/A
NORTHERLY ISL 46 190/ 5/ 11 N/A
CALUMET HARBOR 46 190/ 7/ 12 1031.9
MICHIGAN CITY 45 190/ 13/ 16 1032.7R
MICH CITY BUOY 49 60 200/ 16/ 19 N/A 2/ 3
ST. JOSEPH BUOY 50 58 210/ 16/ 19 1033.1R 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 48 37 65 S9 30.46R TC 9
GALESBURG* SUNNY 45 39 80 S12 30.46S TC 7
MACOMB* SUNNY 46 40 80 S10 30.49S TC 8
JACKSONVILLE* SUNNY 48 37 64 S8 30.49R TC 9
ILZ028>032-037-038-041>044-048-051>054-059>061-181500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 46 36 68 S8 30.51R TC 8
DECATUR SUNNY 46 36 68 S9 30.52R TC 8
PEORIA SUNNY 45 38 76 S8 30.49R TC 7
LACON* SUNNY 46 33 61 S6 30.47S TC 8
SPRINGFIELD SUNNY 48 35 60 S8 30.51R TC 9
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 47 37 68 S10 30.52R TC 8
MATTOON SUNNY 46 37 71 S9 30.53R TC 8
ILZ079-100>102-181500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 45 39 81 VRB3 30.52R TC 7
CAHOKIA* SUNNY 45 40 82 SE3 30.51R TC 7
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 42 40 92 CALM 30.53R TC 6
CAIRO* SUNNY 48 46 92 CALM 30.53R TC 9
EFFINGHAM* SUNNY 46 38 75 SE7 30.56R TC 8
MT. VERNON SUNNY 46 40 79 CALM 30.54R TC 8
CENTRALIA* SUNNY 49 39 69 SE5 30.53R TC 10
SALEM* SUNNY 48 39 71 MISG 30.53R TC 9
ILZ067-068-072-073-078-083-087-091-181500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A N/A N/A N/A MISG 30.55R
FLORA* SUNNY 45 41 87 S3 30.55R TC 7
FAIRFIELD* SUNNY 46 37 72 CALM 30.55R TC 8
HARRISBURG* SUNNY 47 43 87 CALM 30.54R TC 8
ROBINSON* SUNNY 45 41 87 VRB2 30.55R TC 7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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