408
ASUS43 KLOT 180456
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-180600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 66 63 90 CALM 30.03R TC 19
ILZ003-004-008-010-011-017-018-180600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 64 62 93 SE3 30.03R TC 18
ILZ005-006-012>014-019>023-180600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 70 58 65 SW6 30.01S TC 21
CHICAGO-MIDWAY NOT AVBL
AURORA CLEAR 65 63 93 CALM 30.02F TC 18
WAUKEGAN CLEAR 64 60 87 SW6 30.01R TC 18
DUPAGE AIRPORT CLEAR 67 62 84 S5 30.02S TC 19
WHEELING CLEAR 67 59 75 CALM 30.03S TC 19
NORTHERLY ISL* N/A 71 56 58 S5 N/A TC 22
LMZ740>746-180600-
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 74 170/ 8/ 10 1015.5F 1/ 5
WAUKEGAN HARBOR 73 74 210/ 10/ 14 1016.5F 1/ 5
WILMETTE BUOY 73 230/ 8/ 12 1019.3R 1/ 5
CHICAGO BUOY 74 73 1015.4R 1/ 4
HARRISON CRIB 74 210/ 11/ 12 N/A
NORTHERLY ISL 72 200/ 3/ 5 N/A
CALUMET HARBOR 220/ 3/ 4 1016.8
MICHIGAN CITY 69 210/ 5/ 5 1015.4
MICH CITY BUOY 72 74 230/ 8/ 10 N/A 1/ 4
ST. JOSEPH BUOY 73 75 240/ 6/ 8 1017.4R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-180600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-180600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTCLDY 65 65 100 CALM 30.06S TC 18
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-180600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-180600-
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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