110
ASUS43 KLOT 201356
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CDT THU AUG 20 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.
ILZ001-002-007-009-015-016-024-201500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 71 62 73 E5 30.05R TC 22
ILZ003-004-008-010-011-017-018-201500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 70 57 63 N3 30.08R TC 21
ILZ005-006-012>014-019>023-201500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 71 57 61 N8 30.03R TC 22
CHICAGO-MIDWAY NOT AVBL
AURORA SUNNY 69 59 70 NE7 30.05R TC 21
WAUKEGAN SUNNY 70 60 70 N7 30.03R TC 21
DUPAGE AIRPORT SUNNY 69 59 70 N8 30.04R TC 21
WHEELING MOSUNNY 70 58 65 N6 30.05R TC 21
NORTHERLY ISL* N/A 74 58 57 N9 N/A TC 23
LMZ740>746-201500-
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 71 74 340/ 12/ 14 1016.6R 1/ 4
WAUKEGAN HARBOR 71 74 320/ 10/ 14 1017.3R 1/ 4
WILMETTE BUOY 73 60/ 12/ 16 1019.6R 2/ 4
CHICAGO BUOY 73 73 1015.8R 2/ 3
NORTHERLY ISL 72 10/ 8/ 10 N/A
CALUMET HARBOR 350/ 7/ 11 1016.6
MICH CITY BUOY 72 74 30/ 8/ 12 N/A 2/ 4
ST. JOSEPH BUOY 70 74 50/ 6/ 6 1016.8S 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-201500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-201500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 69 68 96 N3 30.03R FOG TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-201500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 72 68 88 N7 30.02R TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-201500-
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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