003
ASUS43 KLOT 181801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-181900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 63 39 41 S16G23 30.37F TC 17
6HR MIN TEMP: 41; 6HR MAX TEMP: 63;
STERLING* SUNNY 63 37 38 SW9 30.40F TC 17
SAVANNA* SUNNY 62 41 45 S12G18 30.37F TC 17
ILZ003-004-008-010-011-017-018-181900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 61 39 44 S14G23 30.40F TC 16
6HR MIN TEMP: 36; 6HR MAX TEMP: 61;
FREEPORT* SUNNY 62 41 45 S17 30.39F TC 17
DE KALB* SUNNY 59 39 47 S17 30.42F TC 15
ILZ005-006-012>014-019>023-181900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 59 35 40 SW13G22 30.42F TC 15
6HR MIN TEMP: 42; 6HR MAX TEMP: 59;
CHICAGO-MIDWAY MOSUNNY 60 34 37 SW16G25 30.43F TC 16
6HR MIN TEMP: 42; 6HR MAX TEMP: 60;
AURORA SUNNY 60 37 42 SW13G23 30.42F TC 16
6HR MIN TEMP: 34; 6HR MAX TEMP: 60;
JOLIET* SUNNY 61 37 39 S13G18 30.44F TC 16
WAUKEGAN SUNNY 60 36 40 SW17G25 30.39F TC 16
6HR MIN TEMP: 39; 6HR MAX TEMP: 60;
DUPAGE AIRPORT SUNNY 59 37 44 SW18 30.42F TC 15
6HR MIN TEMP: 38; 6HR MAX TEMP: 59;
KANKAKEE* SUNNY 61 32 34 S14 30.46F TC 16
WHEELING MOSUNNY 59 36 42 SW15G23 30.43F TC 15
6HR MIN TEMP: 44; 6HR MAX TEMP: 59;
LANSING* SUNNY 60 34 37 S14G20 30.45F TC 15
NORTHERLY ISL* N/A 59 30 33 S14 N/A TC 15
LMZ740>746-181900-
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 58 57 1026.1F
WAUKEGAN HARBOR 57 55 210/ 16/ 19 1027.5F 2/ 3
WILMETTE BUOY 58 180/ 16/ 23 1035.2F 2/ 3
CHICAGO BUOY 58 58 220/ 16/ 21 1028.9F 2/ 3
HARRISON CRIB 58 220/ 18/ 21 N/A
NORTHERLY ISL 58 190/ 12/ 17 N/A
CALUMET HARBOR 58 210/ 8/ 16 1030.7
MICHIGAN CITY 57 200/ 14/ 18 1030.6F
MICH CITY BUOY 57 60 210/ 12/ 17 N/A 2/ 3
ST. JOSEPH BUOY 56 59 220/ 12/ 14 1031.9F 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 62 39 42 S8G20 30.40F TC 17
GALESBURG* SUNNY 62 43 51 S12G18 30.41F TC 17
MACOMB* SUNNY 63 38 39 S13 30.43F TC 17
JACKSONVILLE* SUNNY 61 38 43 S8 30.44F TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-181900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 61 37 41 S13 30.45F TC 16
DECATUR SUNNY 60 38 43 S12 30.47F TC 16
PEORIA SUNNY 61 38 42 S12 30.42F TC 16
6HR MIN TEMP: 39; 6HR MAX TEMP: 61;
LACON* SUNNY 59 35 41 S12 30.42F TC 15
SPRINGFIELD SUNNY 61 37 41 S9 30.44F TC 16
6HR MIN TEMP: 39; 6HR MAX TEMP: 61;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 61 36 39 S12 30.47F TC 16
MATTOON SUNNY 61 37 41 SE10 30.47F TC 16
ILZ079-100>102-181900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* SUNNY 63 38 39 SE9 30.45F TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 62 38 40 SE5 30.46F TC 17
6HR MIN TEMP: 34; 6HR MAX TEMP: 63;
CAIRO* SUNNY 64 40 41 SE6 30.46F TC 18
EFFINGHAM* SUNNY 61 34 35 S8 30.49F TC 16
MT. VERNON SUNNY 62 38 40 E7 30.47F TC 17
CENTRALIA* SUNNY 62 35 37 S8 30.47F TC 17
SALEM* SUNNY 62 38 42 MISG 30.47F TC 17
ILZ067-068-072-073-078-083-087-091-181900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A N/A N/A N/A MISG 30.49F
FLORA* SUNNY 61 39 44 S7 30.48F TC 16
FAIRFIELD* SUNNY 61 36 39 S6 30.48F TC 16
HARRISBURG* SUNNY 62 41 44 CALM 30.47F TC 17
ROBINSON* LGT RAIN 61 37 41 S9 30.48F HAZE TC 16
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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