661
ASUS43 KLOT 180856
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-181000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 64 62 93 CALM 30.03R TC 18
ILZ003-004-008-010-011-017-018-181000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 62 61 96 SE3 30.04R TC 17
ILZ005-006-012>014-019>023-181000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 67 62 84 SW7 30.00S TC 19
CHICAGO-MIDWAY NOT AVBL
AURORA PTCLDY 62 62 100 CALM 30.02S TC 17
WAUKEGAN PTCLDY 63 61 93 SW7 29.99S TC 17
DUPAGE AIRPORT PTCLDY 64 62 93 CALM 30.01S TC 18
WHEELING PTCLDY 66 61 84 S3 30.02S TC 19
NORTHERLY ISL* N/A 69 59 70 SW3 N/A TC 21
LMZ740>746-181000-
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 69 74 230/ 10/ 14 1015.2S 1/ 3
WAUKEGAN HARBOR 70 74 240/ 10/ 14 1016.0F 1/ 2
WILMETTE BUOY 71 250/ 12/ 17 1018.5F 1/ 5
CHICAGO BUOY 72 73 1015.1F 1
HARRISON CRIB 74 240/ 11/ 12 N/A
NORTHERLY ISL 69 250/ 6/ 8 N/A
CALUMET HARBOR 67 220/ 3/ 5 1016.4
MICHIGAN CITY 68 200/ 7/ 8 1015.1
MICH CITY BUOY 72 74 230/ 10/ 14 N/A 1/ 3
ST. JOSEPH BUOY 73 74 240/ 10/ 12 1017.0S 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-181000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-181000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD MOCLDY 63 63 100 SW3 30.07R TC 17
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-181000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-181000-
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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