453
ASUS43 KLOT 181710
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM 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.
ILZ001-002-007-009-015-016-024-181800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 61 39 44 SW16G24 30.39F TC 16
STERLING* SUNNY 61 37 41 SW10G17 30.43F TC 16
SAVANNA* SUNNY 60 41 50 S13 30.39F TC 15
ILZ003-004-008-010-011-017-018-181800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 59 37 44 SW16G25 30.42F TC 15
FREEPORT* SUNNY 59 39 47 SW16G22 30.41F TC 15
ROCHELLE* SUNNY 59 38 44 SW13G18 30.43F TC 15
DE KALB* SUNNY 57 39 52 SW18 30.44F TC 14
ILZ005-006-012>014-019>023-181800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 57 33 40 SW16G24 30.43F TC 14
CHICAGO-MIDWAY MOSUNNY 58 35 42 SW14 30.45F TC 14
AURORA SUNNY 57 36 45 S14G24 30.45F TC 14
JOLIET* SUNNY 60 37 42 S15 30.47S TC 15
WAUKEGAN SUNNY 58 38 47 SW16 30.41F TC 14
DUPAGE AIRPORT SUNNY 58 37 45 SW18G26 30.44F TC 14
KANKAKEE* SUNNY 59 34 39 SW13G18 30.49F TC 15
WHEELING MOSUNNY 58 36 43 SW16G23 30.44F TC 14
LANSING* SUNNY 57 33 40 SW16 30.48F TC 14
NORTHERLY ISL* N/A 57 31 37 SW9 N/A TC 14
LMZ740>746-181800-
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 57 57 1026.7
WAUKEGAN HARBOR 56 55 210/ 14/ 21 1027.9 2/ 3
WILMETTE BUOY 57 180/ 16/ 21 1035.3F 2/ 3
CHICAGO BUOY 57 58 220/ 16/ 25 1029.4 2/ 2
HARRISON CRIB 56 210/ 22/ 25 N/A
NORTHERLY ISL 55 230/ 12/ 15 N/A
CALUMET HARBOR 56 200/ 11/ 15 1031.4
MICHIGAN CITY 55 210/ 16/ 17 1031.5F
MICH CITY BUOY 56 60 220/ 14/ 19 N/A 2/ 3
ST. JOSEPH BUOY 54 59 210/ 12/ 16 1032.6F 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-181800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 60 40 47 S12 30.43F TC 16
GALESBURG* SUNNY 59 43 54 S10 30.43F TC 15
MACOMB* SUNNY 61 39 44 SW13 30.45F TC 16
JACKSONVILLE* SUNNY 59 37 43 S10 30.47F TC 15
PITTSFIELD* SUNNY 61 38 43 SW10 30.46F TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-181800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 59 35 39 SW12G22 30.47F TC 15
BLOOMINGTON SUNNY 59 37 44 SW14 30.48F TC 15
DECATUR SUNNY 58 38 47 S12 30.49F TC 14
PEORIA SUNNY 58 37 45 S16 30.45F TC 14
LACON* SUNNY 56 34 43 SW15G21 30.45F TC 14
SPRINGFIELD SUNNY 60 36 40 S12 30.47F TC 16
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 59 36 42 S14 30.49F TC 15
RANTOUL* SUNNY 58 36 43 S13 30.50F TC 14
MATTOON SUNNY 58 37 45 S9G18 30.49F TC 14
PARIS* SUNNY 58 36 43 S10G16 30.52F TC 15
ILZ079-100>102-181800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 59 39 47 S9 30.49F TC 15
BELLEVILLE SUNNY 62 42 48 SW8 30.47F TC 16
CAHOKIA* SUNNY 60 39 45 SE9 30.48F TC 16
SPARTA* SUNNY 60 37 41 S8 30.50F TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 60 38 43 S9 30.49F TC 16
CAIRO* SUNNY 62 41 45 CALM 30.49F TC 17
EFFINGHAM* SUNNY 59 34 40 SE10 30.52F TC 15
MT. VERNON SUNNY 60 38 43 SE7 30.50F TC 16
CENTRALIA* SUNNY 60 36 40 SE8 30.50F TC 16
SALEM* SUNNY 60 39 46 MISG 30.50F TC 16
METROPOLIS* SUNNY 61 36 39 SE7 30.49F TC 16
ILZ067-068-072-073-078-083-087-091-181800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A N/A N/A N/A MISG 30.52F
FLORA* SUNNY 59 39 47 S10 30.51F TC 15
FAIRFIELD* SUNNY 59 38 45 SE9 30.51F TC 15
HARRISBURG* SUNNY 61 40 45 SE7 30.50F TC 16
ROBINSON* LGT RAIN 59 39 47 S9 30.51F VSB 3/4 TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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