774
ASUS43 KLOT 180101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT SAT OCT 17 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.
ILZ001-002-007-009-015-016-024-180200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 44 37 76 S3 30.41F TC 7
STERLING* CLEAR 46 31 55 CALM 30.43S TC 8
SAVANNA* CLEAR 46 33 60 S3 30.41S TC 8
ILZ003-004-008-010-011-017-018-180200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 45 31 58 S7 30.43S TC 7
FREEPORT* CLEAR 40 32 71 S6 30.42S TC 5
DE KALB* CLEAR 42 36 79 S8 30.44S TC 5
ILZ005-006-012>014-019>023-180200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 50 36 58 S9 30.43R TC 10
CHICAGO-MIDWAY CLEAR 52 36 54 S7 30.44S TC 11
AURORA CLEAR 46 37 71 S5 30.44R TC 8
JOLIET* CLEAR 45 42 89 CALM 30.46S TC 7
WAUKEGAN CLEAR 48 36 63 SW9 30.41S TC 9
DUPAGE AIRPORT CLEAR 45 36 70 SW8 30.44S TC 7
WHEELING PTCLDY 50 36 58 SW6 30.44S TC 10
NORTHERLY ISL* N/A 52 34 50 SW8 N/A TC 11
LMZ740>746-180200-
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 54 56 1025.9F
WAUKEGAN HARBOR 54 58 210/ 14/ 17 1028.1R 1/ 6
WILMETTE BUOY 55 170/ 14/ 17 1027.1R 1/ 6
CHICAGO BUOY 56 59 230/ 12/ 16 1029.2R 1/ 6
HARRISON CRIB 55 210/ 14/ 17 N/A
NORTHERLY ISL 53 180/ 6/ 9 N/A
CALUMET HARBOR 53 180/ 4/ 6 1030.9
MICHIGAN CITY 51 180/ 8/ 9 1031.1R
MICH CITY BUOY 54 60 190/ 12/ 16 N/A 1/ 2
ST. JOSEPH BUOY 54 59 190/ 10/ 12 1031.5R 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-180200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 48 28 46 SE5 30.44S TC 9
GALESBURG* CLEAR 46 33 62 S6 30.45S TC 8
MACOMB* CLEAR 41 36 81 S6 30.47S TC 5
ILZ028>032-037-038-041>044-048-051>054-059>061-180200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 46 36 68 S3 30.48R TC 8
DECATUR CLEAR 46 38 73 CALM 30.48S TC 8
PEORIA CLEAR 46 39 76 CALM 30.46S TC 8
LACON* CLEAR 45 34 65 CALM 30.45S TC 7
SPRINGFIELD CLEAR 47 38 71 CALM 30.47S TC 8
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 46 31 55 SE3 30.48S TC 8
MATTOON CLEAR 46 37 71 CALM 30.47S TC 8
ILZ079-100>102-180200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 46 39 76 CALM 30.48R TC 8
CAHOKIA* CLEAR 44 41 89 CALM 30.47R TC 7
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 47 40 76 CALM 30.47R TC 8
CAIRO* CLEAR 48 39 72 CALM 30.47S TC 9
EFFINGHAM* CLEAR 44 39 85 CALM 30.50S TC 6
MT. VERNON CLEAR 42 38 85 CALM 30.48S TC 6
CENTRALIA* CLEAR 44 38 78 CALM 30.48S HAZE TC 7
SALEM* CLEAR 47 39 74 MISG 30.48S TC 8
ILZ067-068-072-073-078-083-087-091-180200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 46 39 76 CALM 30.48S TC 8
FLORA* CLEAR 43 39 87 CALM 30.48S TC 6
FAIRFIELD* CLEAR 46 36 69 CALM 30.48R TC 8
HARRISBURG* CLEAR 44 39 81 CALM 30.48R HAZE TC 7
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