071
ASUS43 KLOT 181901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-182000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 64 40 41 SW13 30.34F TC 18
STERLING* SUNNY 64 37 36 SW9G16 30.37F TC 18
SAVANNA* SUNNY 64 42 43 S12 30.35F TC 18
ILZ003-004-008-010-011-017-018-182000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 63 38 39 S15G25 30.37F TC 17
FREEPORT* SUNNY 64 40 41 SW14G20 30.36F TC 18
DE KALB* SUNNY 61 40 46 SW15G21 30.39F TC 16
ILZ005-006-012>014-019>023-182000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 61 34 36 S14G21 30.38F TC 16
CHICAGO-MIDWAY SUNNY 62 35 36 SW12G26 30.40F TC 17
AURORA SUNNY 62 37 39 S15G22 30.39F TC 17
JOLIET* SUNNY 64 36 35 S8 30.41F TC 18
WAUKEGAN SUNNY 61 36 39 S20G28 30.35F TC 16
DUPAGE AIRPORT SUNNY 61 37 41 SW15 30.39F TC 16
WHEELING MOSUNNY 61 35 37 SW10G22 30.39F TC 16
LANSING* SUNNY 62 32 32 SW15 30.42F TC 17
NORTHERLY ISL* N/A 61 29 29 S16 N/A TC 16
LMZ740>746-182000-
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 59 57 1025.3F
WAUKEGAN HARBOR 58 55 200/ 16/ 21 1026.6F 2/ 3
WILMETTE BUOY 59 190/ 16/ 19 1036.3R 2/ 3
CHICAGO BUOY 60 58 230/ 16/ 19 1028.1F 2/ 2
HARRISON CRIB 60 210/ 20/ 22 N/A
NORTHERLY ISL 60 170/ 8/ 18 N/A
CALUMET HARBOR 60 180/ 11/ 16 1029.9
MICHIGAN CITY 59 190/ 13/ 16 1029.7F
MICH CITY BUOY 59 60 200/ 12/ 16 N/A 2/ 3
ST. JOSEPH BUOY 57 59 220/ 10/ 14 1031.0F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-182000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 64 39 39 S13 30.37F TC 18
GALESBURG* SUNNY 63 44 50 S10G17 30.38F TC 17
MACOMB* SUNNY 64 38 38 S9G16 30.40F TC 18
JACKSONVILLE* SUNNY 62 38 39 SE7 30.40F TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-182000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 62 37 39 SW12 30.42F TC 17
DECATUR SUNNY 62 37 39 S13G20 30.43F TC 17
PEORIA SUNNY 62 38 40 S14 30.39F TC 17
LACON* SUNNY 61 36 39 SW9 30.39F TC 16
SPRINGFIELD SUNNY 63 35 35 S10 30.41F TC 17
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-182000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 63 37 38 S12G18 30.44F TC 17
MATTOON SUNNY 62 36 37 VRB5 30.44F TC 17
ILZ079-100>102-182000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 63 37 39 S6 30.43F TC 17
CAHOKIA* SUNNY 64 37 36 S9 30.41F TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 64 38 38 VRB7 30.42F TC 18
CAIRO* SUNNY 66 40 37 E3 30.42F TC 19
EFFINGHAM* SUNNY 63 32 31 E8 30.46F TC 17
MT. VERNON SUNNY 64 38 38 VRB5 30.44F TC 18
CENTRALIA* SUNNY 64 36 35 S6 30.43F TC 18
SALEM* SUNNY 65 39 38 MISG 30.44F TC 18
ILZ067-068-072-073-078-083-087-091-182000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A N/A N/A N/A MISG 30.45F
FLORA* SUNNY 64 39 39 S8 30.45F TC 18
FAIRFIELD* SUNNY 64 36 35 CALM 30.44F TC 18
HARRISBURG* SUNNY 64 40 40 E5 30.44F TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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