579
ASUS43 KLOT 180156
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 PM CDT MON AUG 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.
ILZ001-002-007-009-015-016-024-180300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 68 65 90 CALM 30.02R TC 20
ILZ003-004-008-010-011-017-018-180300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 68 62 81 CALM 30.01S TC 20
ILZ005-006-012>014-019>023-180300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 72 56 57 S7 30.00R TC 22
CHICAGO-MIDWAY NOT AVBL
AURORA PTCLDY 69 64 84 CALM 30.01R TC 21
WAUKEGAN CLEAR 68 59 73 SW3 29.99R TC 20
DUPAGE AIRPORT PTCLDY 69 62 78 CALM 30.00R TC 21
WHEELING PTCLDY 72 59 63 S3 30.01S TC 22
NORTHERLY ISL* N/A 69 60 73 S3 N/A TC 21
LMZ740>746-180300-
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 73 74 170/ 8/ 10 1015.1S 1/ 5
WAUKEGAN HARBOR 74 75 190/ 8/ 10 1016.1S 1/ 5
WILMETTE BUOY 73 200/ 6/ 8 1018.9F 1/ 6
CHICAGO BUOY 74 74 1014.9R 1/ 4
HARRISON CRIB 73 190/ 7/ 8 N/A
NORTHERLY ISL 69 170/ 2/ 3 N/A
CALUMET HARBOR 150/ 2/ 3 1016.2
MICHIGAN CITY 72 220/ 2/ 3 1014.7R
MICH CITY BUOY 73 74 290/ 2/ 4 N/A 2/ 6
ST. JOSEPH BUOY 73 75 330/ 6/ 6 1016.7R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-180300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-180300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTCLDY 70 67 90 CALM 30.03R TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-180300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 72 68 88 N5 30.04R TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 75 66 73 CALM 30.04R TC 24
ILZ067-068-072-073-078-083-087-091-180300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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