502
ASUS43 KLOT 172101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM CDT SAT OCT 17 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.
ILZ001-002-007-009-015-016-024-172200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 57 26 30 SW9G17 30.45F TC 14
STERLING* SUNNY 58 25 28 SW10 30.46F TC 14
SAVANNA* SUNNY 57 30 35 S10 30.44F TC 14
ILZ003-004-008-010-011-017-018-172200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 57 26 30 SW10 30.45F TC 14
FREEPORT* SUNNY 57 25 29 SW10 30.45F TC 14
DE KALB* SUNNY 56 35 45 S12 30.46S TC 13
ILZ005-006-012>014-019>023-172200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 56 34 43 SW13 30.44F TC 13
CHICAGO-MIDWAY SUNNY 56 35 45 SW9 30.45F TC 13
AURORA SUNNY 56 35 45 SW10 30.45F TC 13
JOLIET* SUNNY 57 37 47 SW8 30.47F TC 14
WAUKEGAN SUNNY 57 36 45 SW13G21 30.42F TC 14
DUPAGE AIRPORT SUNNY 56 37 49 SW9 30.45F TC 13
KANKAKEE* SUNNY 56 31 38 W5 30.48F TC 14
WHEELING SUNNY 57 36 45 SW10 30.45F TC 14
NORTHERLY ISL* N/A 56 32 40 S9 N/A TC 13
LMZ740>746-172200-
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 58 1037.2R
WAUKEGAN HARBOR 57 59 210/ 14/ 17 1028.4F 2/ 7
WILMETTE BUOY 56 1037.3F 2/ 7
CHICAGO BUOY 56 60 220/ 10/ 16 1029.6F 3/ 7
HARRISON CRIB 55 210/ 11/ 14 N/A
NORTHERLY ISL 56 220/ 7/ 10 N/A
CALUMET HARBOR 56 200/ 4/ 8 1031.2F
MICHIGAN CITY 53 250/ 4/ 5 1031.4F
MICH CITY BUOY 53 61 280/ 4/ 8 N/A 3/ 7
ST. JOSEPH BUOY 51 60 250/ 6/ 10 1032.2F 2/ 6
ILZ025>027-034>036-040-047-049-050-058-095>099-172200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 57 28 33 SW5 30.47F TC 14
GALESBURG* SUNNY 56 30 36 SW5 30.48S TC 14
MACOMB* SUNNY 57 30 35 SW3 30.50S TC 14
JACKSONVILLE* SUNNY 56 31 38 CALM 30.48F TC 13
PITTSFIELD* SUNNY 59 29 32 E3 30.49F TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-172200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 57 34 43 CALM 30.48S TC 14
BLOOMINGTON SUNNY 57 36 45 VRB3 30.48F TC 14
DECATUR SUNNY 56 33 42 W3 30.49F TC 13
PEORIA SUNNY 56 33 42 VRB5 30.48F TC 13
LACON* SUNNY 55 32 42 SW6 30.47F TC 13
SPRINGFIELD SUNNY 57 33 40 CALM 30.48F TC 14
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-172200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 55 30 38 CALM 30.48F TC 13
MATTOON SUNNY 56 28 34 NE5 30.47F TC 13
PARIS* SUNNY 56 23 28 E6 30.49S TC 13
ILZ079-100>102-172200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* SUNNY 58 34 40 N5 30.48F TC 14
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-172200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 59 34 39 N5 30.47F TC 15
CAIRO* SUNNY 62 35 37 NE10 30.46F TC 17
EFFINGHAM* SUNNY 58 30 34 CALM 30.50S TC 14
MT. VERNON SUNNY 58 31 35 VRB3 30.49S TC 14
CENTRALIA* SUNNY 59 31 33 NE3 30.49S TC 15
SALEM* SUNNY 59 35 39 MISG 30.48F TC 15
METROPOLIS* SUNNY 61 31 32 NW9 30.46F TC 16
ILZ067-068-072-073-078-083-087-091-172200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 57 29 34 CALM 30.48S TC 14
FLORA* SUNNY 57 32 38 N5 30.48F TC 14
FAIRFIELD* SUNNY 58 27 29 N6 30.48S TC 15
HARRISBURG* SUNNY 59 35 40 NE6 30.48F TC 15
ROBINSON* SUNNY 57 27 30 VRB2 30.47S TC 14
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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