509
ASUS43 KLOT 171410
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM 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.
ILZ001-002-007-009-015-016-024-171500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 41 38 89 CALM 30.56R TC 5
STERLING* SUNNY 41 36 82 CALM 30.57R TC 5
SAVANNA* SUNNY 37 37 97 CALM 30.57R TC 3
ILZ003-004-008-010-011-017-018-171500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 39 34 82 CALM 30.57R TC 4
FREEPORT* SUNNY 40 36 84 CALM 30.57R TC 5
ROCHELLE* SUNNY 38 36 91 CALM 30.56R TC 4
DE KALB* SUNNY 40 34 79 N6 30.55R TC 5
ILZ005-006-012>014-019>023-171500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 44 31 60 CALM 30.53R TC 7
CHICAGO-MIDWAY PTSUNNY 44 30 57 N8 30.54R TC 7
AURORA SUNNY 42 34 73 N7 30.54R TC 6
JOLIET* SUNNY 44 33 65 NE5 30.55R TC 7
WAUKEGAN SUNNY 43 31 62 NW5 30.52R TC 6
DUPAGE AIRPORT SUNNY 42 32 67 N8 30.54R TC 6
KANKAKEE* SUNNY 44 35 71 CALM 30.55R TC 6
WHEELING MOSUNNY 44 32 62 N6 30.54R TC 7
LANSING* SUNNY 44 36 75 CALM 30.55R TC 7
NORTHERLY ISL* N/A 45 36 70 SW3 N/A TC 7
LMZ740>746-171500-
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 45 55 1032.1
WAUKEGAN HARBOR 45 54 290/ 10/ 12 1031.1 3/ 8
WILMETTE BUOY 49 1025.6R 5/ 7
CHICAGO BUOY 48 59 330/ 8/ 14 1032.1 4/ 7
HARRISON CRIB 45 280/ 8/ 10 N/A
NORTHERLY ISL 45 270/ 4/ 9 N/A
CALUMET HARBOR 45 250/ 2/ 5 1033.5R
MICHIGAN CITY 44 60/ 9/ 11 1033.7R
MICH CITY BUOY 47 60 100/ 10/ 14 N/A 5/ 8
ST. JOSEPH BUOY 45 59 90/ 8/ 10 1033.9R 4/ 6
ILZ025>027-034>036-040-047-049-050-058-095>099-171500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 42 37 82 NE6 30.57R TC 6
GALESBURG* SUNNY 38 38 100 CALM 30.58R TC 4
MACOMB* SUNNY 42 38 85 N3 30.60R TC 6
JACKSONVILLE* SUNNY 41 38 88 N3 30.58R TC 5
PITTSFIELD* SUNNY 43 35 73 NE6 30.59R TC 6
ILZ028>032-037-038-041>044-048-051>054-059>061-171500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 39 36 91 CALM 30.56R TC 4
BLOOMINGTON SUNNY 42 34 73 NE7 30.57R TC 6
DECATUR SUNNY 42 34 73 NE8 30.57R TC 6
PEORIA SUNNY 42 34 73 NE6 30.56R TC 6
LACON* SUNNY 41 33 73 CALM 30.55S TC 5
SPRINGFIELD SUNNY 43 35 73 N6 30.57R TC 6
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-171500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 44 33 65 NE7 30.55R TC 7
RANTOUL* MOSUNNY 42 37 82 N5 30.55R TC 6
MATTOON SUNNY 43 37 79 NE8 30.54R TC 6
PARIS* SUNNY 44 32 63 NE7 30.54R TC 7
ILZ079-100>102-171500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 45 37 76 N10 30.57 TC 7
BELLEVILLE SUNNY 47 40 77 N8 30.55R TC 8
CAHOKIA* SUNNY 47 39 74 N7 30.57R TC 8
SPARTA* SUNNY 46 41 83 N6 30.56R TC 8
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 48 41 76 N7 30.54R TC 9
CAIRO* SUNNY 51 44 78 N12 30.53R TC 10
EFFINGHAM* SUNNY 45 37 72 CALM 30.57R TC 7
MT. VERNON SUNNY 47 39 74 NE8 30.55R TC 8
CENTRALIA* SUNNY 47 38 73 NE5 30.55R TC 8
SALEM* SUNNY 47 40 77 MISG 30.55R TC 8
METROPOLIS* SUNNY 49 39 70 N8 30.52R TC 9
ILZ067-068-072-073-078-083-087-091-171500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 46 34 62 N14 30.52R TC 8
FLORA* SUNNY 46 39 76 N10 30.55R TC 8
FAIRFIELD* SUNNY 47 38 73 N8 30.54R TC 8
HARRISBURG* SUNNY 48 42 78 N8 30.53R TC 9
ROBINSON* SUNNY 46 37 71 N12 30.53R TC 8
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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