643
ASUS43 KLOT 181908
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
ROCHELLE* SUNNY 63 38 39 S10G20 30.37F TC 17
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
KANKAKEE* SUNNY 63 32 31 S10G17 30.43F TC 17
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)
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
PITTSFIELD* SUNNY 64 37 36 S8 30.40F TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-182000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY N/A N/A N/A S12 30.42F
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
RANTOUL* SUNNY 62 34 34 S12 30.44F TC 17
MATTOON SUNNY 62 36 37 VRB5 30.44F TC 17
PARIS* SUNNY 63 34 33 S6 30.46F 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
BELLEVILLE SUNNY 66 41 40 S3 30.40F TC 19
CAHOKIA* SUNNY 64 37 36 S9 30.41F TC 18
SPARTA* SUNNY 64 37 36 SE6 30.43F 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
METROPOLIS* SUNNY 65 36 33 SE5 30.42F 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
ROBINSON* SUNNY 63 37 39 VRB3 30.45F TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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