501
ASUS43 KLOT 151656
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT SAT AUG 15 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.
ILZ001-002-007-009-015-016-024-151800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 82 74 76 W7 30.02F HX 88 TC 28
ILZ003-004-008-010-011-017-018-151800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
ILZ005-006-012>014-019>023-151800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 75 71 87 S6 30.07R TC 24
CHICAGO-MIDWAY NOT AVBL
AURORA LGT RAIN 74 73 97 S7 30.07S FOG TC 23
WAUKEGAN CLOUDY 76 72 87 SE10 30.06S TC 24
DUPAGE AIRPORT CLOUDY 74 72 93 S6 30.07R TC 23
WHEELING CLOUDY 75 72 90 S10 30.08R TC 24
NORTHERLY ISL* N/A 74 71 91 SE8 N/A TC 23
LMZ740>746-151800-
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 74 74 90/ 10/ 14 1022.7R 2/ 4
WAUKEGAN HARBOR 74 74 100/ 12/ 16 1018.3F 2/ 3
WILMETTE BUOY 73 140/ 10/ 14 1021.1S 2/ 5
CHICAGO BUOY 74 73 1017.2R 2/ 3
HARRISON CRIB 75 140/ 14/ 16 N/A
NORTHERLY ISL 74 120/ 6/ 10 N/A
CALUMET HARBOR 110/ 8/ 10 1018.1
MICHIGAN CITY 75 120/ 7/ 9 1017.1F
MICH CITY BUOY 74 73 130/ 6/ 10 N/A 1/ 5
ST. JOSEPH BUOY 73 74 120/ 8/ 10 1019.6F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-151800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-151800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTSUNNY 82 74 76 S6 30.07F HX 88 TC 28
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-151800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-151800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 82 73 74 SE9 30.10S HX 88 TC 28
CAHOKIA* CLOUDY 84 74 71 SE8 30.10S HX 91 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-151800-
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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