803
ASUS43 KLOT 181156
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.
ILZ001-002-007-009-015-016-024-181300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 66 63 90 CALM 30.01F TC 19
6HR MIN TEMP: 62; 6HR MAX TEMP: 67;
ILZ003-004-008-010-011-017-018-181300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
ILZ005-006-012>014-019>023-181300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 67 62 84 SW3 30.01S TC 19
6HR MIN TEMP: 66; 6HR MAX TEMP: 69;
CHICAGO-MIDWAY NOT AVBL
AURORA MOCLDY 64 63 96 SW3 30.02F TC 18
6HR MIN TEMP: 60; 6HR MAX TEMP: 65;
WAUKEGAN PTCLDY 64 62 93 SW7 30.00S TC 18
6HR MIN TEMP: 62; 6HR MAX TEMP: 65;
DUPAGE AIRPORT MOCLDY 65 63 93 S3 30.02S TC 18
6HR MIN TEMP: 62; 6HR MAX TEMP: 66;
WHEELING PTCLDY 67 62 84 W3 30.03R TC 19
6HR MIN TEMP: 63; 6HR MAX TEMP: 68;
NORTHERLY ISL* N/A 70 61 73 W6 N/A TC 21
LMZ740>746-181300-
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 68 74 250/ 10/ 12 1015.2F 1
WAUKEGAN HARBOR 69 74 260/ 8/ 12 1016.2S 1
WILMETTE BUOY 70 260/ 12/ 16 1019.0R 1/ 2
CHICAGO BUOY 72 73 1015.3R 1
HARRISON CRIB 72 260/ 14/ 15 N/A
NORTHERLY ISL 68 260/ 6/ 7 N/A
CALUMET HARBOR 250/ 3/ 5 1016.7
MICHIGAN CITY 67 190/ 7/ 8 1015.3F
MICH CITY BUOY 71 74 230/ 12/ 14 N/A 2/ 3
ST. JOSEPH BUOY 73 74 240/ 12/ 14 1017.2R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-181300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTCLDY 64 63 96 CALM 30.07R TC 18
6HR MIN TEMP: 62; 6HR MAX TEMP: 65;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-181300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-181300-
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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