108
ASUS43 KLOT 180803
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-180900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 67 60 78 S9 29.64F TC 19
STERLING* MOCLDY 68 59 73 VRB5 29.66 TC 20
ILZ003-004-008-010-011-017-018-180900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 64 58 80 S8 29.68S TC 18
ROCHELLE* MOCLDY 65 56 70 S10 29.68S TC 19
DE KALB* CLOUDY 63 58 84 S9 29.69F TC 17
PERU* MOCLDY 64 58 79 S9 29.69F TC 18
ILZ005-006-012>014-019>023-180900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 66 56 70 S9 29.68F TC 19
CHICAGO-MIDWAY MOCLDY 66 56 70 S9 29.71F TC 19
AURORA PTCLDY 61 57 87 S8 29.69F TC 16
JOLIET* MOCLDY 67 59 73 S6 29.71F TC 20
WAUKEGAN PTCLDY 66 56 70 SW14 29.66F TC 19
DUPAGE AIRPORT PTCLDY 65 56 72 S10 29.69F TC 18
WHEELING PTCLDY 66 56 70 S9 29.69F TC 19
MORRIS* MOCLDY 65 60 81 S9 29.70F TC 19
ROMEOVILLE* MOCLDY 66 57 72 S14 29.72F TC 19
LANSING* PTCLDY 63 51 67 S8 29.74F TC 17
NORTHERLY ISL* N/A 66 54 65 S15 N/A TC 19
LMZ740>746-180900-
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 64 190/ 19/ 23 1005.2
WINTHROP HARBOR 62 56 N/A 2/ 4
WAUKEGAN HARBOR 65 61 N/A 2/ 4
WILMETTE BUOY 67 190/ 14/ 19 1007.2F 2/ 4
CHICAGO BUOY 67 200/ 12/ 16 1006.7F 2/ 3
HARRISON CRIB 68 190/ 21/ 23 N/A
NORTHERLY ISL 66 190/ 7/ 14 N/A
CALUMET HARBOR 66 180/ 8/ 12 1005.8
BURNS HARBOR 65 180/ 8/ 12 1007.8F
MICHIGAN CITY 65 170/ 15/ 20 1005.8F
ST. JOSEPH BUOY 62 56 140/ 16/ 17 1008.2F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-180900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 69 59 70 S10 29.69S TC 21
GALESBURG* LGT RAIN 67 57 69 S12 29.69F TC 20
MACOMB* MOCLDY 67 59 73 S9 29.70F TC 20
JACKSONVILLE* CLEAR 67 57 71 S9G16 29.72S TC 20
PITTSFIELD* CLEAR 69 59 71 S9 29.73S TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-180900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 66 60 81 S14 29.74F TC 19
DECATUR CLEAR 65 59 81 S12 29.76F TC 18
PEORIA CLEAR 66 59 78 SW10 29.71F TC 19
LACON* CLEAR 68 57 67 S9G16 29.69S TC 20
LINCOLN* CLEAR 67 60 79 S7 29.73F TC 19
SPRINGFIELD CLEAR 66 59 78 S13 29.73F TC 19
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 64 57 78 S15 29.77F TC 18
DANVILLE* PTCLDY 63 56 78 S10 29.79F TC 17
MATTOON CLEAR 65 58 78 S9 29.78F TC 18
PARIS* CLEAR 60 55 82 S7 29.80F TC 16
ILZ079-100>102-180900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 67 59 74 MISG 29.76F TC 20
BELLEVILLE CLEAR 65 60 82 SW3 29.76F TC 19
CAHOKIA* CLEAR 65 59 81 S3 29.76 TC 18
SPARTA* CLEAR 69 61 76 S8 29.81F TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 61 60 97 S3 29.82F TC 16
CAIRO* CLOUDY 70 63 78 S6 29.84F TC 21
EFFINGHAM* CLEAR 65 60 86 SE6 29.81F TC 18
MARION CLEAR 63 61 93 S6 29.84F TC 17
MT. VERNON CLEAR 64 60 87 SW3 29.81F TC 18
CENTRALIA* CLEAR 67 59 77 S8 29.80F TC 19
SALEM* CLEAR 69 60 72 S10 29.80F TC 21
METROPOLIS* PTCLDY 68 60 76 CALM 29.86S TC 20
ILZ067-068-072-073-078-083-087-091-180900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 60 57 89 S6 29.83F TC 16
FLORA* CLEAR 64 59 82 S7 29.82F TC 18
FAIRFIELD* CLEAR 62 58 87 CALM 29.82F TC 17
HARRISBURG* CLEAR 62 60 93 MISG 29.84S TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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