384
ASUS43 KLOT 152156
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-152300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 86 77 74 SW9 29.99S HX 97 TC 30
ILZ003-004-008-010-011-017-018-152300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
ILZ005-006-012>014-019>023-152300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 77 74 90 CALM 30.02S TC 25
CHICAGO-MIDWAY NOT AVBL
AURORA CLOUDY 80 76 87 SE5 30.02S HX 86 TC 27
WAUKEGAN CLOUDY 75 73 93 SE5 30.03R TC 24
DUPAGE AIRPORT CLOUDY 78 75 90 SE3 30.03S HX 81 TC 26
WHEELING CLOUDY 76 74 93 CALM 30.04S FOG TC 24
NORTHERLY ISL* N/A 76 72 87 W2 N/A TC 24
LMZ740>746-152300-
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/ 8/ 10 1019.2F 2/ 4
WAUKEGAN HARBOR 74 74 130/ 6/ 8 1017.3S 2/ 4
WILMETTE BUOY 74 140/ 6/ 8 1019.7F 2/ 4
CHICAGO BUOY 75 73 1015.6F 1/ 4
HARRISON CRIB 76 130/ 7/ 8 N/A
NORTHERLY ISL 79 270/ 5/ 7 N/A
CALUMET HARBOR 210/ 7/ 10 1017.0
MICHIGAN CITY 80 190/ 9/ 12 1015.2S
MICH CITY BUOY 77 74 230/ 2/ 4 N/A 1
ST. JOSEPH BUOY 75 75 30/ 4/ 4 1017.9F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-152300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-152300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTSUNNY 87 77 72 S8G18 30.02S HX 99 TC 31
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-152300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-152300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 86 77 74 S12 30.03F HX 97 TC 30
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 93 75 55 S10 30.05F HX 104 TC 34
ILZ067-068-072-073-078-083-087-091-152300-
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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