587
ASUS43 KLOT 201713
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT MON OCT 20 2025
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.
ILZ001-002-007-009-015-016-024-201800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE FAIR 64 36 35 S22G36 29.83F TC 18
STERLING* FAIR 64 36 35 S9G20 29.88F TC 18
ILZ003-004-008-010-011-017-018-201800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD FAIR 63 35 35 S20G26 29.91F TC 17
ROCHELLE* FAIR 62 34 35 S21 29.89F TC 17
DE KALB* FAIR 61 37 41 S20G28 29.91F TC 16
PERU* FAIR 65 36 33 S23G29 29.90F TC 19
ILZ005-006-012>014-019>023-201800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE FAIR 61 33 35 S15 29.93F TC 16
CHICAGO-MIDWAY FAIR 61 34 36 SW17G28 29.95F TC 16
AURORA FAIR 62 37 39 S18G28 29.92F TC 17
JOLIET* FAIR 64 36 35 S14G24 29.95F TC 18
WAUKEGAN FAIR 61 35 37 SW18G26 29.92F TC 16
DUPAGE AIRPORT FAIR 62 37 39 S17G26 29.92F TC 17
KANKAKEE* FAIR 63 36 36 S15G21 29.99F TC 17
WHEELING FAIR 62 35 36 S17 29.95F TC 17
MORRIS* FAIR 64 40 41 S15G22 29.93F TC 18
ROMEOVILLE* SUNNY 61 36 39 S17G24 29.95F TC 16
LANSING* FAIR 60 31 33 S16 29.97F TC 16
NORTHERLY ISL* N/A 61 32 33 S9 N/A TC 16
LMZ740>746-201800-
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)
S. MID LAKE BUOY 58 62 190/ 16/ 21 1014.6F
WINTHROP HARBOR 58 58 N/A 2/ 3
WAUKEGAN HARBOR 59 57 N/A 2/ 3
WILMETTE BUOY 60 190/ 14/ 19 1014.9F 2/ 7
CHICAGO BUOY 60 190/ 16/ 21 N/A 2/ 7
HARRISON CRIB 58 190/ 20/ 22 N/A
NORTHERLY ISL 59 200/ 9/ 13 N/A
CALUMET HARBOR 59 180/ 11/ 16 1013.7F
BURNS HARBOR 59 180/ 7/ 10 1015.9F
MICHIGAN CITY 58 160/ 14/ 17 1014.5F
ST. JOSEPH BUOY 58 58 160/ 14/ 17 1015.9F 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-201800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY FAIR 65 37 35 S18G28 29.83F TC 18
GALESBURG* FAIR 64 34 32 S17G26 29.87F TC 18
MACOMB* FAIR 65 39 37 S24G32 29.88F TC 19
JACKSONVILLE* FAIR 65 36 33 S18G25 29.90F TC 18
PITTSFIELD* FAIR 66 38 35 S21G26 29.88F TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-201800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC FAIR 64 33 31 S21G28 29.95F TC 18
BLOOMINGTON FAIR 64 35 34 S26G32 29.94F TC 18
DECATUR FAIR 63 35 35 S24G33 29.98F TC 17
PEORIA FAIR 64 36 35 S23G36 29.89F TC 18
LACON* FAIR 65 35 33 S21G26 29.90F TC 18
LINCOLN* FAIR 65 38 37 S20G30 29.94F TC 18
SPRINGFIELD FAIR 65 37 35 S24G36 29.93F TC 18
TAYLORVILLE FAIR 64 37 36 MISG 29.97F TC 18
ILZ033-039-045-046-055>057-062-063-201800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN FAIR 65 36 34 S24G33 29.99F TC 18
DANVILLE* FAIR 64 36 35 S20 30.02F TC 18
RANTOUL* FAIR 63 37 39 S17G26 29.99F TC 17
MATTOON FAIR 63 36 36 S16G31 30.01F TC 17
PARIS* FAIR 63 34 34 S18G24 30.04F TC 17
ILZ079-100>102-201800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 66 37 34 S18G28 29.97F TC 19
CAHOKIA* FAIR 66 40 38 S13G24 29.96F TC 19
SPARTA* FAIR 68 35 29 S22G28 30.02F TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE FAIR 66 41 40 S21G28 30.05F TC 19
CAIRO* FAIR 69 40 35 S13G22 30.09F TC 21
EFFINGHAM* FAIR 64 35 33 S17 30.04F TC 18
MARION SUNNY 64 41 42 S17 30.06F TC 18
MT. VERNON FAIR 67 40 37 S16G26 30.05F TC 19
CENTRALIA* FAIR 66 38 36 S14 30.03F TC 19
SALEM* FAIR 65 37 35 S18G25 30.03F TC 19
METROPOLIS* FAIR 66 37 34 S13G18 30.11F TC 19
ILZ067-068-072-073-078-083-087-091-201800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE FAIR 65 36 34 S21G28 30.07F TC 18
FLORA* FAIR 64 37 36 S21 30.05F TC 18
FAIRFIELD* FAIR 65 38 36 S15 30.07F TC 19
HARRISBURG* FAIR 66 37 34 MISG 30.09F TC 19
ROBINSON* FAIR 64 37 36 S18G25 30.06F TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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