462
ASUS43 KLOT 201801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-201900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 67 36 31 S16G30 29.75F TC 19
6HR MIN TEMP: 43; 6HR MAX TEMP: 67;
STERLING* SUNNY 66 36 32 S12G22 29.82F TC 19
ILZ003-004-008-010-011-017-018-201900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 65 34 31 S26G36 29.85F TC 18
6HR MIN TEMP: 37; 6HR MAX TEMP: 65;
ROCHELLE* SUNNY 65 33 30 S25G31 29.86F TC 18
DE KALB* SUNNY 63 37 38 S22G32 29.88F TC 17
PERU* SUNNY 67 35 30 S25 29.86F TC 19
ILZ005-006-012>014-019>023-201900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 63 33 32 S14G25 29.90F TC 17
6HR MIN TEMP: 41; 6HR MAX TEMP: 64;
CHICAGO-MIDWAY MOSUNNY 63 34 33 S15G32 29.91F TC 17
6HR MIN TEMP: 41; 6HR MAX TEMP: 63;
AURORA SUNNY 64 36 35 S20G30 29.89F TC 18
6HR MIN TEMP: 32; 6HR MAX TEMP: 64;
JOLIET* SUNNY 66 34 30 S20G28 29.91F TC 19
WAUKEGAN SUNNY 63 32 31 SW20G29 29.88F TC 17
6HR MIN TEMP: 38; 6HR MAX TEMP: 64;
DUPAGE AIRPORT SUNNY 64 36 35 S18G31 29.89F TC 18
6HR MIN TEMP: 36; 6HR MAX TEMP: 64;
WHEELING SUNNY 64 34 32 S20 29.91F TC 18
6HR MIN TEMP: 37; 6HR MAX TEMP: 64;
MORRIS* SUNNY 65 38 36 S20G29 29.89F TC 19
ROMEOVILLE* SUNNY 64 37 36 S18G31 29.91F TC 18
LANSING* SUNNY 63 28 27 S20G25 29.94F TC 17
NORTHERLY ISL* N/A 63 34 33 S9 N/A TC 17
LMZ740>746-201900-
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 62 180/ 19/ 23 1013.4F
WINTHROP HARBOR 59 57 N/A 2/ 4
WAUKEGAN HARBOR 59 57 N/A 2/ 3
WILMETTE BUOY 61 190/ 16/ 21 1013.8F 2/ 3
CHICAGO BUOY 61 190/ 17/ 25 N/A 2/ 7
HARRISON CRIB 61 190/ 22/ 24 N/A
NORTHERLY ISL 61 160/ 11/ 14 N/A
CALUMET HARBOR 61 170/ 13/ 20 1012.8
BURNS HARBOR 61 180/ 9/ 13 1014.6F
MICHIGAN CITY 60 160/ 12/ 17 1013.4F
ST. JOSEPH BUOY 59 58 160/ 14/ 21 1015.3F 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-201900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 68 36 30 S22G33 29.76F TC 20
GALESBURG* SUNNY 66 33 29 S18G29 29.80F TC 19
MACOMB* SUNNY 68 38 32 S24 29.82F TC 20
JACKSONVILLE* SUNNY 67 36 31 SE18G26 29.85F TC 20
PITTSFIELD* SUNNY 69 38 32 SE20G28 29.82F TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-201900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 65 36 34 S26G32 29.90F TC 18
DECATUR SUNNY 66 35 31 S25G37 29.94F TC 19
PEORIA SUNNY 67 35 30 S22G37 29.86F TC 19
6HR MIN TEMP: 41; 6HR MAX TEMP: 67;
LACON* SUNNY 67 32 27 S15G25 29.86F TC 19
SPRINGFIELD SUNNY 67 37 33 S23G35 29.88F TC 19
6HR MIN TEMP: 41; 6HR MAX TEMP: 68;
TAYLORVILLE SUNNY 66 37 34 MISG 29.93F TC 19
ILZ033-039-045-046-055>057-062-063-201900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 67 36 31 S28G40 29.95F TC 19
DANVILLE* SUNNY 65 35 33 S21G26 29.98F TC 18
MATTOON SUNNY 65 37 35 S18G32 29.96F TC 18
PARIS* SUNNY 65 35 32 S22 29.99F TC 18
ILZ079-100>102-201900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 68 37 32 S23G32 29.91F TC 20
SPARTA* SUNNY 69 36 29 S21G30 29.97F TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 68 41 37 S17G30 30.01F TC 20
6HR MIN TEMP: 39; 6HR MAX TEMP: 68;
CAIRO* SUNNY 71 40 33 S14G23 30.05F TC 21
EFFINGHAM* SUNNY 66 36 32 S16G29 30.00F TC 19
MARION SUNNY 68 39 34 S17G29 30.02F TC 20
MT. VERNON SUNNY 69 39 33 S22G29 30.00F TC 21
CENTRALIA* SUNNY 68 38 33 S16G25 29.98F TC 20
SALEM* SUNNY 67 37 33 S18G26 29.98F TC 20
METROPOLIS* SUNNY 68 38 33 SW13G20 30.07F TC 20
ILZ067-068-072-073-078-083-087-091-201900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 67 34 29 S20G28 30.04F TC 19
FLORA* SUNNY 66 39 37 S20G25 30.01F TC 19
FAIRFIELD* SUNNY 67 37 32 S15G24 30.02F TC 20
HARRISBURG* SUNNY 68 38 33 MISG 30.03F TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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