598
ASUS43 KLOT 182303
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-190000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 62 39 42 S7 30.30F TC 17
STERLING* CLEAR 60 38 43 VRB5 30.33F TC 16
SAVANNA* CLEAR 61 42 49 S6 30.31S TC 16
ILZ003-004-008-010-011-017-018-190000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 59 39 47 S8 30.34S TC 15
FREEPORT* CLEAR 60 40 47 S8 30.33S TC 16
DE KALB* CLEAR 56 38 50 S9 30.35F TC 14
ILZ005-006-012>014-019>023-190000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 61 32 33 S8G20 30.34S TC 16
CHICAGO-MIDWAY CLEAR 62 33 33 S8 30.36S TC 17
AURORA CLEAR 58 35 42 S6 30.35S TC 14
JOLIET* CLEAR 61 35 37 S6 30.37S TC 16
WAUKEGAN CLEAR 59 36 42 S10 30.32F TC 15
DUPAGE AIRPORT CLEAR 58 35 42 S9 30.35S TC 14
WHEELING PTCLDY 60 34 37 SW9 30.36R TC 16
LANSING* CLEAR 57 34 41 S7 30.38S TC 14
NORTHERLY ISL* N/A 62 30 30 S10 N/A TC 17
LMZ740>746-190000-
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 60 56 1024.4F
WAUKEGAN HARBOR 60 55 200/ 12/ 14 1025.6F 1/ 3
WILMETTE BUOY 62 180/ 14/ 17 1031.1F 2/ 3
CHICAGO BUOY 63 58 210/ 12/ 17 1026.6S 1/ 3
HARRISON CRIB 63 190/ 19/ 20 N/A
NORTHERLY ISL 63 200/ 14/ 16 N/A
CALUMET HARBOR 63 190/ 10/ 14 1027.9
MICHIGAN CITY 62 180/ 8/ 9 1027.8S
MICH CITY BUOY 61 60 180/ 8/ 12 N/A 1/ 3
ST. JOSEPH BUOY 61 59 180/ 10/ 12 1029.3F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-190000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 61 38 42 SE7 30.32F TC 16
GALESBURG* CLEAR 60 42 52 SE5 30.34S TC 15
MACOMB* CLEAR 61 39 45 S8 30.35S TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-190000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 57 38 48 S7 30.38S TC 14
DECATUR CLEAR 59 38 45 SE8 30.39S TC 15
PEORIA CLEAR 59 37 44 S7 30.35F TC 15
LACON* CLEAR 59 36 43 S5 30.35S TC 15
SPRINGFIELD CLEAR 60 35 39 S8 30.37S TC 16
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-190000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 58 36 43 SE7 30.39F TC 14
MATTOON CLEAR 60 38 43 S3 30.39S TC 16
ILZ079-100>102-190000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 61 39 44 SE7 30.37S TC 16
CAHOKIA* CLEAR 62 38 40 SE3 30.36F TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 64 39 39 SE3 30.37F TC 18
CAIRO* CLEAR 65 43 44 CALM 30.38S TC 18
EFFINGHAM* CLEAR 59 38 45 CALM 30.41S TC 15
MT. VERNON CLEAR 63 36 36 E5 30.39S TC 17
SALEM* CLEAR 63 39 40 MISG 30.39S TC 17
ILZ067-068-072-073-078-083-087-091-190000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A N/A N/A N/A MISG 30.40S
FLORA* CLEAR 59 41 51 SE3 30.40S TC 15
FAIRFIELD* CLEAR 61 35 37 SE3 30.39F TC 16
HARRISBURG* CLEAR 61 36 39 E5 30.40S TC 16
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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