550
ASUS43 KLOT 180056
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT MON AUG 17 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.
ILZ001-002-007-009-015-016-024-180200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 72 64 76 CALM 30.01S TC 22
ILZ003-004-008-010-011-017-018-180200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 74 61 63 SW3 30.01S TC 23
ILZ005-006-012>014-019>023-180200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 75 59 57 SE3 29.99S TC 24
CHICAGO-MIDWAY NOT AVBL
AURORA PTCLDY 72 66 81 CALM 30.00S TC 22
WAUKEGAN CLEAR 70 60 70 S3 29.98F TC 21
DUPAGE AIRPORT PTCLDY 73 59 61 W5 29.99F TC 23
WHEELING PTCLDY 74 59 59 SE3 30.01S TC 23
NORTHERLY ISL* N/A 70 62 76 S1 N/A TC 21
LMZ740>746-180200-
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 74 170/ 8/ 12 1015.1F 1/ 5
WAUKEGAN HARBOR 74 75 180/ 6/ 10 1016.1F 1/ 4
WILMETTE BUOY 73 190/ 4/ 8 1019.1F 1/ 6
CHICAGO BUOY 74 74 1014.6F 2/ 4
HARRISON CRIB 75 170/ 2/ 3 N/A
NORTHERLY ISL 72 CALM / 5 N/A
CALUMET HARBOR 100/ 2/ 4 1015.9
MICHIGAN CITY 75 20/ 4/ 5 1014.1F
MICH CITY BUOY 73 74 360/ 4/ 6 N/A 2/ 4
ST. JOSEPH BUOY 73 75 310/ 6/ 8 1016.3F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-180200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-180200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTCLDY 73 68 84 CALM 30.02F TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-180200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 75 66 73 N5 30.02S TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-180200-
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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