777
ASUS43 KLOT 181656
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM 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.
ILZ001-002-007-009-015-016-024-181800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 74 68 81 SW6 30.01F TC 23
ILZ003-004-008-010-011-017-018-181800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 77 67 71 SW10 30.00S TC 25
ILZ005-006-012>014-019>023-181800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 79 62 56 SW10G20 29.98F HX 80 TC 26
CHICAGO-MIDWAY NOT AVBL
AURORA PTSUNNY 77 66 68 SW8 30.01S TC 25
WAUKEGAN PTSUNNY 78 66 66 W9 29.98F HX 80 TC 26
DUPAGE AIRPORT PTSUNNY 78 66 66 SW10G22 30.00F HX 80 TC 26
WHEELING PTSUNNY 79 63 57 W9 30.00F HX 80 TC 26
NORTHERLY ISL* N/A 79 59 50 W9 N/A HX 80 TC 26
LMZ740>746-181800-
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 76 74 210/ 10/ 14 1015.2F 1
WAUKEGAN HARBOR 76 74 230/ 12/ 17 1016.0F 1
WILMETTE BUOY 76 270/ 10/ 14 1019.3R 1
CHICAGO BUOY 78 73 1015.0F 1
NORTHERLY ISL 78 250/ 9/ 12 N/A
CALUMET HARBOR 210/ 8/ 10 1016.2
MICH CITY BUOY 74 74 250/ 8/ 12 N/A 1/ 3
ST. JOSEPH BUOY 73 74 230/ 8/ 10 1017.4R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-181800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTSUNNY 79 65 62 SW6 30.06F HX 81 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-181800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 82 64 54 VRB3 30.07F HX 84 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 82 66 57 VRB3 30.07S HX 85 TC 28
ILZ067-068-072-073-078-083-087-091-181800-
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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