242
ASUS43 KLOT 190101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT SUN OCT 18 2026
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.
ILZ001-002-007-009-015-016-024-190200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 48 40 73 SE3 30.32R TC 9
STERLING* CLEAR 53 37 54 VRB3 30.35R TC 12
SAVANNA* CLEAR 52 40 64 S6 30.33R TC 11
ILZ003-004-008-010-011-017-018-190200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 53 37 54 SE6 30.35S TC 12
FREEPORT* CLEAR 50 40 68 S7 30.35R TC 10
DE KALB* CLEAR 46 37 73 S7 30.36S TC 8
ILZ005-006-012>014-019>023-190200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 55 35 47 S9 30.36R TC 13
CHICAGO-MIDWAY CLEAR 57 35 43 S8 30.37S TC 14
AURORA CLEAR 51 35 54 S7 30.36S TC 11
JOLIET* CLEAR 52 40 64 CALM 30.38S TC 11
WAUKEGAN CLEAR 52 36 54 S8 30.34S TC 11
DUPAGE AIRPORT CLEAR 51 35 54 S7 30.36S TC 11
WHEELING PTCLDY 54 35 48 S8 30.37R TC 12
LANSING* CLEAR 49 36 60 S5 30.40R TC 10
NORTHERLY ISL* N/A 58 33 39 S5 N/A TC 14
LMZ740>746-190200-
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)
WINTHROP HARBOR 58 56 1024.9R
WAUKEGAN HARBOR 57 55 180/ 8/ 12 1026.0R 1/ 3
WILMETTE BUOY 60 160/ 8/ 12 1027.1S 1/ 3
CHICAGO BUOY 61 58 200/ 12/ 17 1027.0R 1/ 2
HARRISON CRIB 61 190/ 15/ 16 N/A
NORTHERLY ISL 58 190/ 5/ 11 N/A
CALUMET HARBOR 59 160/ 6/ 9 1028.4
MICHIGAN CITY 57 170/ 8/ 10 1028.4R
MICH CITY BUOY 58 59 190/ 10/ 14 N/A 1
ST. JOSEPH BUOY 59 59 180/ 10/ 12 1029.6R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-190200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 55 37 50 S8 30.34R TC 13
MACOMB* CLEAR 48 39 70 SE5 30.37R TC 9
ILZ028>032-037-038-041>044-048-051>054-059>061-190200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 49 38 65 S7 30.39S TC 9
DECATUR CLEAR 47 38 71 S3 30.40R TC 8
PEORIA CLEAR 53 37 54 S6 30.36S TC 12
SPRINGFIELD CLEAR 53 37 54 SE7 30.37S TC 12
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-190200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 47 35 63 SE8 30.41R TC 8
MATTOON CLEAR 49 41 74 SE5 30.40S TC 9
ILZ079-100>102-190200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 52 39 62 SE3 30.38R TC 11
CAHOKIA* CLEAR 47 42 83 S3 30.37R TC 8
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 51 45 79 CALM 30.39R TC 11
EFFINGHAM* CLEAR 47 43 84 E3 30.42S TC 9
MT. VERNON CLEAR 50 39 66 CALM 30.41R TC 10
CENTRALIA* CLEAR 50 40 68 E3 30.40R TC 10
SALEM* CLEAR 55 40 57 MISG 30.40S TC 13
ILZ067-068-072-073-078-083-087-091-190200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A N/A N/A N/A MISG 30.42R
FAIRFIELD* CLEAR 51 38 60 CALM 30.41R TC 11
HARRISBURG* CLEAR 50 43 77 CALM 30.40S TC 10
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