673
ASUS43 KLOT 180559
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT TUE AUG 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.
ILZ001-002-007-009-015-016-024-180700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 64 63 96 CALM 30.04R TC 18
6HR MIN TEMP: 64; 6HR MAX TEMP: 79;
ILZ003-004-008-010-011-017-018-180700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
ILZ005-006-012>014-019>023-180700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 68 59 73 SW7 30.02R TC 20
6HR MIN TEMP: 68; 6HR MAX TEMP: 77;
CHICAGO-MIDWAY NOT AVBL
AURORA MOCLDY 65 63 93 S3 30.04R TC 18
6HR MIN TEMP: 63; 6HR MAX TEMP: 76;
WAUKEGAN CLEAR 65 61 87 SW8 30.01S TC 18
6HR MIN TEMP: 63; 6HR MAX TEMP: 74;
DUPAGE AIRPORT CLEAR 65 62 90 S5 30.03R TC 18
6HR MIN TEMP: 65; 6HR MAX TEMP: 76;
WHEELING PTCLDY 67 59 75 S3 30.03S TC 19
6HR MIN TEMP: 66; 6HR MAX TEMP: 75;
NORTHERLY ISL* N/A 71 55 56 W6 N/A TC 22
LMZ740>746-180700-
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 71 74 200/ 8/ 12 1015.7S 1/ 4
WAUKEGAN HARBOR 72 74 230/ 12/ 14 1016.6S 1/ 5
WILMETTE BUOY 73 230/ 10/ 14 1019.5R 1/ 5
CHICAGO BUOY 74 73 1015.9R 1/ 5
HARRISON CRIB 74 220/ 11/ 11 N/A
NORTHERLY ISL 71 240/ 4/ 5 N/A
CALUMET HARBOR 210/ 4/ 6 1016.9
MICHIGAN CITY 69 210/ 5/ 6 1015.5R
MICH CITY BUOY 72 74 230/ 8/ 10 N/A 1/ 4
ST. JOSEPH BUOY 73 74 240/ 8/ 8 1017.2F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-180700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-180700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLEAR 65 64 97 CALM 30.07R TC 18
6HR MIN TEMP: 65; 6HR MAX TEMP: 77;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-180700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLEAR 68 67 96 SE5 30.06F TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-180700-
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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