001
ASUS43 KLOT 201510
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM 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.
ILZ001-002-007-009-015-016-024-201600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 56 38 50 S13 29.89F TC 13
STERLING* SUNNY 55 40 56 SE5 29.94F TC 13
ILZ003-004-008-010-011-017-018-201600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 54 38 54 S8 29.95F TC 12
ROCHELLE* SUNNY 53 38 56 S12 29.95F TC 12
DE KALB* SUNNY 50 40 67 S12 29.97F TC 10
PERU* SUNNY 56 40 54 S12 29.97S TC 13
ILZ005-006-012>014-019>023-201600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 54 36 50 S9 29.98F TC 12
CHICAGO-MIDWAY MOSUNNY 53 37 54 S9 30.00F TC 12
AURORA SUNNY 51 40 65 S9 29.98F TC 11
JOLIET* SUNNY 55 40 56 CALM 30.00F TC 13
WAUKEGAN SUNNY 54 35 48 S15 29.97S TC 12
DUPAGE AIRPORT SUNNY 53 40 61 S9 29.97F TC 12
KANKAKEE* SUNNY 54 39 58 S8 30.04S TC 12
WHEELING SUNNY 53 39 59 S10 30.00S TC 12
MORRIS* SUNNY 53 41 64 S7 29.99F TC 12
ROMEOVILLE* SUNNY 52 43 71 SE7 30.01S TC 11
LANSING* SUNNY 51 35 52 S8 30.03S TC 11
NORTHERLY ISL* N/A 55 36 48 S6 N/A TC 13
LMZ740>746-201600-
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 57 62 210/ 14/ 16 1015.4S 3/ 6
WINTHROP HARBOR 55 58 N/A 2/ 6
WAUKEGAN HARBOR 54 57 N/A 2/ 7
WILMETTE BUOY 54 240/ 12/ 21 1015.8R 2/ 6
CHICAGO BUOY 55 210/ 14/ 17 N/A 2/ 6
HARRISON CRIB 53 210/ 14/ 14 N/A
NORTHERLY ISL 51 240/ 3/ 9 N/A
CALUMET HARBOR 51 200/ 7/ 8 1015.1
BURNS HARBOR 51 180/ 6/ 7 1017.3S
MICHIGAN CITY 53 160/ 8/ 10 1015.8F
ST. JOSEPH BUOY 54 58 170/ 12/ 17 1016.9S 3/ 6
ILZ025>027-034>036-040-047-049-050-058-095>099-201600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 57 38 48 S16G28 29.92F TC 14
GALESBURG* SUNNY 55 38 53 S13 29.93F TC 13
MACOMB* SUNNY 56 41 56 S16 29.95F TC 13
JACKSONVILLE* SUNNY 57 37 47 S9G16 29.98F TC 14
PITTSFIELD* SUNNY 58 41 52 S15 29.97F TC 14
ILZ028>032-037-038-041>044-048-051>054-059>061-201600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 56 39 52 S13 30.01F TC 13
BLOOMINGTON SUNNY 56 39 53 S16 30.01F TC 13
DECATUR SUNNY 56 39 53 S13 30.04S TC 13
PEORIA SUNNY 54 38 54 S10 29.96F TC 12
LACON* SUNNY 56 35 44 S9 29.96F TC 14
LINCOLN* SUNNY 56 42 58 S12 30.01F TC 13
SPRINGFIELD SUNNY 57 40 52 S10 30.00F TC 14
TAYLORVILLE SUNNY 57 39 51 MISG 30.04S TC 14
ILZ033-039-045-046-055>057-062-063-201600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 57 41 55 S14 30.05F TC 14
DANVILLE* SUNNY 54 40 60 S7 30.07S TC 12
RANTOUL* SUNNY 55 41 58 S9 30.06S TC 13
MATTOON SUNNY 55 40 56 S7 30.06F TC 13
PARIS* SUNNY 59 37 44 SW13 30.08F TC 15
ILZ079-100>102-201600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 57 39 51 S12 30.04F TC 14
BELLEVILLE SUNNY 59 44 56 S12 30.03F TC 15
CAHOKIA* SUNNY 60 39 45 S8 30.04F TC 16
SPARTA* SUNNY 60 37 42 S10G16 30.08F TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 59 39 47 S13 30.10S TC 15
CAIRO* SUNNY 60 44 54 S9 30.13R TC 16
EFFINGHAM* SUNNY 57 41 54 SE8 30.09F TC 14
MARION SUNNY 57 41 54 S12 30.11S TC 14
MT. VERNON SUNNY 59 41 51 S15 30.10S TC 15
CENTRALIA* SUNNY 59 40 48 S9 30.08S TC 15
SALEM* SUNNY 60 39 46 S12G17 30.08R TC 15
METROPOLIS* SUNNY 56 42 57 S6 30.14S TC 14
ILZ067-068-072-073-078-083-087-091-201600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 57 43 59 S6 30.12S TC 14
FLORA* SUNNY 59 43 55 S10 30.10S TC 15
FAIRFIELD* SUNNY 56 41 55 S9 30.11S TC 14
HARRISBURG* SUNNY 58 42 56 MISG 30.12S TC 14
ROBINSON* SUNNY 55 43 62 S9 30.10S TC 13
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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