479
ASUS43 KLOT 202003
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-202100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE FAIR 70 37 29 S17G29 29.65F TC 21
STERLING* FAIR 68 36 30 SE10G24 29.71F TC 20
ILZ003-004-008-010-011-017-018-202100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD FAIR 67 33 28 SE20G32 29.74F TC 19
ROCHELLE* FAIR 66 33 29 S28G35 29.74F TC 19
DE KALB* FAIR 65 36 34 S21 29.78F TC 18
PERU* FAIR 68 36 30 S26G32 29.74F TC 20
ILZ005-006-012>014-019>023-202100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE FAIR 65 32 29 S21G32 29.80F TC 18
CHICAGO-MIDWAY FAIR 65 33 30 S22G32 29.82F TC 18
AURORA FAIR 66 34 30 S23G36 29.78F TC 19
JOLIET* FAIR 68 34 28 S18G25 29.81F TC 20
WAUKEGAN FAIR 65 34 31 S17G31 29.80F TC 18
DUPAGE AIRPORT FAIR 66 35 31 S21G32 29.79F TC 19
WHEELING FAIR 66 34 30 S22G35 29.82F TC 19
MORRIS* FAIR 67 39 36 S20G31 29.79F TC 19
ROMEOVILLE* SUNNY 66 36 32 S28G36 29.82 TC 19
LANSING* FAIR 64 27 24 S18G28 29.86F TC 18
NORTHERLY ISL* N/A 66 32 28 S14 N/A TC 19
LMZ740>746-202100-
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 60 62 180/ 21/ 25 1010.9
WINTHROP HARBOR 60 57 N/A 2/ 4
WAUKEGAN HARBOR 60 56 N/A 2/ 4
WILMETTE BUOY 62 170/ 17/ 25 1011.1F 2/ 4
CHICAGO BUOY 63 180/ 19/ 23 N/A 2/ 3
HARRISON CRIB 63 180/ 22/ 24 N/A
NORTHERLY ISL 65 160/ 12/ 21 N/A
CALUMET HARBOR 64 180/ 12/ 19 1010.0F
BURNS HARBOR 64 190/ 10/ 13 1012.2F
MICHIGAN CITY 63 180/ 16/ 20 1011.0F
ST. JOSEPH BUOY 61 58 150/ 14/ 19 1013.0F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-202100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY FAIR 73 40 30 S22G31 29.69F TC 23
GALESBURG* FAIR 69 33 26 S20G30 29.69F TC 21
MACOMB* FAIR 71 39 30 S22G32 29.72S TC 22
JACKSONVILLE* FAIR 70 38 31 S17G23 29.74F TC 21
PITTSFIELD* FAIR 73 39 29 S22G28 29.73F TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-202100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON FAIR 67 37 33 S29G36 29.80F TC 19
DECATUR FAIR 68 37 32 S18G36 29.84F TC 20
PEORIA FAIR 68 37 32 S22G36 29.72F TC 20
LACON* FAIR 68 33 27 S21G31 29.73F TC 20
SPRINGFIELD FAIR 70 38 31 S26G38 29.76F TC 21
TAYLORVILLE FAIR 68 39 34 MISG 29.82F TC 20
ILZ033-039-045-046-055>057-062-063-202100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN FAIR 68 36 30 S22G37 29.87F TC 20
DANVILLE* FAIR 67 35 31 S18G25 29.91F TC 19
MATTOON FAIR 66 37 34 S16G39 29.88F TC 19
ILZ079-100>102-202100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* FAIR 73 41 31 S14G31 29.79F TC 23
SPARTA* FAIR 73 37 26 S15G26 29.86F TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-202100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE FAIR 71 41 33 S17G30 29.90F TC 22
CAIRO* FAIR 73 42 33 S16G23 29.95F TC 23
EFFINGHAM* FAIR 68 37 31 SE13G22 29.91F TC 20
MARION SUNNY 70 39 32 S21G30 29.92F TC 21
MT. VERNON FAIR 72 41 32 S18 29.90F TC 22
CENTRALIA* FAIR 71 40 33 S15G25 29.88F TC 22
SALEM* FAIR 70 39 32 S14G24 29.88F TC 21
METROPOLIS* FAIR 70 39 33 S13G18 29.97F TC 21
ILZ067-068-072-073-078-083-087-091-202100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE FAIR 68 37 32 S18G26 29.95F TC 20
FLORA* FAIR 70 41 35 S22G29 29.92F TC 21
FAIRFIELD* FAIR 70 38 31 S18G24 29.93F TC 21
HARRISBURG* FAIR 71 38 31 MISG 29.94F TC 21
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