745
ASUS43 KLOT 180912
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CDT SAT OCT 18 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.
ILZ001-002-007-009-015-016-024-181000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 66 62 87 SW9 29.64F TC 19
STERLING* MOCLDY 64 64 100 VRB3 29.67S THUNDER TC 18
ILZ003-004-008-010-011-017-018-181000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD TSTM 62 59 90 S8 29.69R FOG TC 17
ROCHELLE* RAIN 63 59 88 SW12G21 29.70R TC 17
DE KALB* CLOUDY 63 58 84 S9 29.69S TC 17
PERU* MOCLDY 63 58 83 S8 29.67F TC 17
ILZ005-006-012>014-019>023-181000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 66 57 72 S10G21 29.67F TC 19
CHICAGO-MIDWAY MOCLDY 65 57 75 S10 29.69F TC 18
AURORA CLOUDY 63 58 83 S9 29.68F TC 17
JOLIET* MOCLDY 67 59 75 S9 29.70F TC 20
WAUKEGAN MOCLDY 64 57 78 SW9 29.65F TC 18
DUPAGE AIRPORT CLOUDY 66 57 72 S12 29.68F TC 19
KANKAKEE* PTCLDY 63 55 77 S12 29.74F TC 17
WHEELING CLOUDY 67 57 70 S10 29.68F TC 19
MORRIS* CLOUDY 65 60 82 S8 29.69S TC 19
ROMEOVILLE* CLOUDY 64 57 77 S14 29.70F TC 18
LANSING* PTCLDY 63 52 69 S10 29.72F TC 17
NORTHERLY ISL* N/A 66 55 67 S14 N/A TC 19
LMZ740>746-181000-
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 66 190/ 19/ 23 1004.4F 5/ 5
WINTHROP HARBOR 61 55 N/A 2/ 4
WAUKEGAN HARBOR 64 61 N/A 2/ 3
WILMETTE BUOY 66 200/ 12/ 17 1006.3F 2/ 4
CHICAGO BUOY 66 200/ 14/ 17 1005.8 2/ 3
HARRISON CRIB 67 200/ 23/ 24 N/A
NORTHERLY ISL 66 200/ 13/ 14 N/A
CALUMET HARBOR 65 170/ 10/ 13 1005.1
BURNS HARBOR 64 170/ 8/ 12 1007.1F
MICHIGAN CITY 64 170/ 17/ 21 1005.4F
ST. JOSEPH BUOY 62 56 140/ 16/ 19 1007.4F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 69 59 70 SW10 29.69S TC 21
GALESBURG* HVY RAIN 64 60 87 SW13G23 29.71R TC 18
MACOMB* LGT RAIN 66 62 87 SW13G26 29.71R TC 19
JACKSONVILLE* PTCLDY 66 57 74 S7 29.71F TC 19
PITTSFIELD* PTCLDY 69 59 72 S8 29.71F TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-181000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 66 58 75 S12 29.72R TC 19
BLOOMINGTON PTCLDY 66 60 81 S14 29.74S TC 19
DECATUR CLEAR 66 59 78 S13 29.75F TC 19
PEORIA CLOUDY 67 59 75 S12 29.69F TC 19
LACON* MOCLDY 68 57 68 SW9 29.67F TC 20
LINCOLN* PTCLDY 65 60 81 S6 29.72F TC 19
SPRINGFIELD PTCLDY 65 59 81 S13 29.72F TC 18
TAYLORVILLE CLEAR 64 59 82 MISG 29.75S TC 18
ILZ033-039-045-046-055>057-062-063-181000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 63 57 81 S14 29.76F TC 17
DANVILLE* CLEAR 63 57 81 S8 29.79S TC 17
RANTOUL* CLEAR 63 57 82 S10 29.75F TC 17
MATTOON CLEAR 64 58 80 S12 29.77F TC 18
PARIS* CLEAR 60 55 84 S9 29.79F TC 16
ILZ079-100>102-181000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 67 59 76 MISG 29.76S TC 19
BELLEVILLE CLEAR 65 60 82 S5 29.75F TC 18
CAHOKIA* CLEAR 63 58 83 SE6 29.75F TC 17
SPARTA* CLEAR 68 60 75 S9 29.80S TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 65 61 87 S10 29.81F TC 18
CAIRO* MOCLDY 70 63 78 S7 29.84S TC 21
EFFINGHAM* MOCLDY 65 61 85 SE7 29.80F TC 19
MARION CLEAR 62 61 96 S6 29.83S TC 17
MT. VERNON CLEAR 63 60 90 S5 29.81S TC 17
CENTRALIA* CLEAR 67 60 76 S12 29.79S TC 20
SALEM* CLEAR 69 60 73 S9 29.79F TC 21
METROPOLIS* CLOUDY 69 60 72 S5 29.85S TC 21
ILZ067-068-072-073-078-083-087-091-181000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 60 58 92 S6 29.82F TC 16
FLORA* CLEAR 63 59 88 S6 29.81S TC 17
FAIRFIELD* CLEAR 63 59 85 S3 29.81S TC 17
HARRISBURG* CLEAR 60 58 92 MISG 29.83S TC 16
ROBINSON* CLOUDY 64 61 88 S9 29.80F TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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