575
ASUS43 KLOT 202103
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-202200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 70 39 32 S16G33 29.66R TC 21
STERLING* SUNNY 68 36 30 SE13G20 29.68F TC 20
ILZ003-004-008-010-011-017-018-202200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 66 33 29 SE21G33 29.71F TC 19
ROCHELLE* SUNNY 65 32 28 S24G37 29.70F TC 19
DE KALB* SUNNY 64 37 36 S25G31 29.73F TC 18
PERU* SUNNY 68 36 31 S22G30 29.70F TC 20
ILZ005-006-012>014-019>023-202200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 65 34 31 S20G29 29.76F TC 18
CHICAGO-MIDWAY MOSUNNY 65 33 30 S22G39 29.78F TC 18
AURORA SUNNY 66 35 31 S24G32 29.73F TC 19
JOLIET* SUNNY 67 35 30 S17G26 29.77F TC 20
WAUKEGAN SUNNY 65 33 30 S14G24 29.76F TC 18
DUPAGE AIRPORT SUNNY 66 36 32 S16G31 29.75F TC 19
WHEELING SUNNY 66 35 31 S23G32 29.77F TC 19
MORRIS* SUNNY 67 39 36 S22G30 29.74F TC 19
ROMEOVILLE* SUNNY 66 36 32 S25G36 29.79F TC 19
LANSING* SUNNY 64 27 24 S22G28 29.81F TC 18
NORTHERLY ISL* N/A 66 31 27 SE17 N/A TC 19
LMZ740>746-202200-
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 61 62 170/ 19/ 23 1009.9F
WINTHROP HARBOR 61 57 N/A 3/ 4
WAUKEGAN HARBOR 61 56 N/A 3/ 4
WILMETTE BUOY 63 170/ 19/ 27 1009.5F 3/ 4
CHICAGO BUOY 64 170/ 19/ 27 N/A 3/ 4
HARRISON CRIB 64 180/ 27/ 30 N/A
NORTHERLY ISL 65 160/ 16/ 20 N/A
CALUMET HARBOR 65 160/ 13/ 20 1008.4
BURNS HARBOR 64 180/ 10/ 14 1010.5F
MICHIGAN CITY 64 170/ 14/ 18 1009.4F
ST. JOSEPH BUOY 61 58 140/ 19/ 29 1011.5F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-202200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 74 42 31 SW23G31 29.68F TC 23
GALESBURG* SUNNY 69 37 30 S17G29 29.69S TC 21
MACOMB* SUNNY 72 40 32 S14G28 29.71F TC 22
JACKSONVILLE* SUNNY 71 38 29 S17G28 29.73S TC 22
PITTSFIELD* SUNNY 74 40 29 S13G22 29.72S TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-202200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 67 33 28 S25G36 29.75F TC 19
BLOOMINGTON SUNNY 67 39 35 S28G36 29.75F TC 19
DECATUR SUNNY 68 38 33 S24G33 29.78F TC 20
PEORIA SUNNY 69 39 33 S22G36 29.71F TC 21
LACON* SUNNY 68 37 31 S17G24 29.69F TC 20
LINCOLN* SUNNY 69 41 36 S25G31 29.75F TC 20
SPRINGFIELD SUNNY 70 40 33 S22G37 29.74F TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-202200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 68 38 33 S24G36 29.81F TC 20
DANVILLE* SUNNY 67 36 32 S17G28 29.85F TC 19
MATTOON SUNNY 67 38 34 S17G36 29.82F TC 19
PARIS* SUNNY 66 36 33 S21G28 29.88F TC 19
ILZ079-100>102-202200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 72 39 30 S17G32 29.77F TC 22
CAHOKIA* SUNNY 74 42 31 S18G28 29.76F TC 23
SPARTA* SUNNY 73 39 28 S17G25 29.83F TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-202200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 71 40 32 S21G35 29.87F TC 22
CAIRO* SUNNY 73 43 34 S15 29.91F TC 23
EFFINGHAM* SUNNY 68 38 33 SE17G25 29.86F TC 20
MARION SUNNY 70 41 35 S23G32 29.88F TC 21
MT. VERNON SUNNY 72 41 32 S16 29.86F TC 22
CENTRALIA* SUNNY 71 40 33 S15G24 29.84F TC 22
SALEM* SUNNY 71 40 31 S14G23 29.83F TC 22
METROPOLIS* SUNNY 71 39 31 S13G20 29.94F TC 22
ILZ067-068-072-073-078-083-087-091-202200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 68 37 32 S18 29.92F TC 20
FLORA* SUNNY 70 41 35 S23 29.87F TC 21
FAIRFIELD* SUNNY 70 39 32 S16G23 29.89F TC 21
HARRISBURG* SUNNY 71 40 32 MISG 29.91F TC 22
ROBINSON* SUNNY 68 41 37 S16G24 29.90F TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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