647
ASUS43 KLOT 171801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-171900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 55 31 39 SW8 30.53F TC 13
6HR MIN TEMP: 32; 6HR MAX TEMP: 55;
STERLING* SUNNY 55 29 36 SW8 30.54F TC 13
SAVANNA* SUNNY 54 30 40 SW6 30.53F TC 12
ILZ003-004-008-010-011-017-018-171900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 55 27 34 SW6 30.53F TC 13
6HR MIN TEMP: 31; 6HR MAX TEMP: 55;
FREEPORT* SUNNY 55 23 28 W9 30.53F TC 13
ROCHELLE* SUNNY 54 31 41 SW6 30.53F TC 12
DE KALB* SUNNY 53 34 47 S7 30.53F TC 12
ILZ005-006-012>014-019>023-171900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 54 36 50 VRB7 30.51F TC 12
6HR MIN TEMP: 39; 6HR MAX TEMP: 54;
CHICAGO-MIDWAY MOSUNNY 53 36 52 SW6 30.52F TC 12
6HR MIN TEMP: 41; 6HR MAX TEMP: 53;
AURORA SUNNY 54 36 50 W5 30.52F TC 12
6HR MIN TEMP: 33; 6HR MAX TEMP: 54;
JOLIET* MOSUNNY 54 39 56 SE3 30.54F TC 12
WAUKEGAN SUNNY 55 37 50 SW13 30.49F TC 13
6HR MIN TEMP: 36; 6HR MAX TEMP: 55;
DUPAGE AIRPORT SUNNY 53 37 54 S5 30.52F TC 12
6HR MIN TEMP: 36; 6HR MAX TEMP: 54;
KANKAKEE* SUNNY 53 32 45 S3 30.55F TC 12
WHEELING MOSUNNY 54 36 50 VRB6 30.51F TC 12
6HR MIN TEMP: 37; 6HR MAX TEMP: 54;
LANSING* SUNNY 52 35 52 SW5 30.53F TC 11
NORTHERLY ISL* N/A 53 35 50 S3 N/A TC 12
LMZ740>746-171900-
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 52 55 1038.3F
WAUKEGAN HARBOR 52 59 120/ 12/ 16 1030.5F 2/ 7
WILMETTE BUOY 51 1043.9R 3/ 6
CHICAGO BUOY 53 59 220/ 8/ 14 1031.9F 3/ 7
HARRISON CRIB 51 160/ 6/ 8 N/A
NORTHERLY ISL 54 100/ 3/ 6 N/A
CALUMET HARBOR 51 190/ 5/ 7 1033.8
MICHIGAN CITY 50 280/ 4/ 6 1033.6F
MICH CITY BUOY 50 60 260/ 2/ 6 N/A 4/ 7
ST. JOSEPH BUOY 49 60 250/ 4/ 8 1034.0F 3/ 7
ILZ025>027-034>036-040-047-049-050-058-095>099-171900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 53 30 41 VRB5 30.55F TC 12
GALESBURG* SUNNY 54 35 50 W3 30.55F TC 12
MACOMB* SUNNY 54 33 44 CALM 30.57F TC 12
JACKSONVILLE* SUNNY 52 35 54 CALM 30.55F TC 11
PITTSFIELD* SUNNY 53 32 44 W3 30.56F TC 12
ILZ028>032-037-038-041>044-048-051>054-059>061-171900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 53 38 57 W3 30.54F TC 12
BLOOMINGTON SUNNY 54 38 54 VRB3 30.55F TC 12
DECATUR SUNNY 53 35 50 CALM 30.55F TC 12
PEORIA SUNNY 53 37 54 S6 30.55F TC 12
6HR MIN TEMP: 36; 6HR MAX TEMP: 53;
LACON* SUNNY 53 33 48 SW8 30.54F TC 12
SPRINGFIELD SUNNY 52 37 56 VRB3 30.55F TC 11
6HR MIN TEMP: 37; 6HR MAX TEMP: 53;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-171900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 52 35 52 NE8 30.54F TC 11
RANTOUL* SUNNY 53 34 48 E5 30.54F TC 11
MATTOON SUNNY 53 33 46 N8 30.53F TC 12
PARIS* SUNNY 53 31 42 NE12 30.53F TC 12
ILZ079-100>102-171900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 55 36 47 NE5 30.56F TC 13
CAHOKIA* SUNNY 55 37 50 NW6 30.55F TC 13
SPARTA* SUNNY 55 36 48 N5 30.56S TC 13
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 57 37 47 N9 30.53F TC 14
6HR MIN TEMP: 44; 6HR MAX TEMP: 57;
CAIRO* PTSUNNY 59 39 48 N10G17 30.52F TC 15
EFFINGHAM* SUNNY 55 33 43 NW6 30.55F TC 13
MT. VERNON SUNNY 56 35 45 VRB7 30.54F TC 13
CENTRALIA* SUNNY 56 35 44 NE7 30.54F TC 14
SALEM* SUNNY 56 38 51 MISG 30.54F TC 14
METROPOLIS* SUNNY 59 32 36 NW7 30.51F TC 15
ILZ067-068-072-073-078-083-087-091-171900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 55 32 41 NE10 30.52F TC 13
FLORA* SUNNY 55 34 44 N10G16 30.54F TC 13
FAIRFIELD* SUNNY 55 33 41 N10G18 30.53F TC 13
HARRISBURG* SUNNY 57 37 46 N10G16 30.53F TC 14
ROBINSON* SUNNY 54 32 43 N13 30.51F TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page