247
ASUS43 KLOT 201256
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-201400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 68 63 84 E5 30.04R TC 20
ILZ003-004-008-010-011-017-018-201400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 65 59 81 N5 30.06R TC 18
ILZ005-006-012>014-019>023-201400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 67 57 70 N7 30.02R TC 19
CHICAGO-MIDWAY NOT AVBL
AURORA SUNNY 65 59 81 NE7 30.03R TC 18
WAUKEGAN SUNNY 65 57 75 N6 30.02R TC 18
DUPAGE AIRPORT SUNNY 64 59 83 N5 30.03R TC 18
WHEELING MOSUNNY 66 57 72 N7 30.04R TC 19
ROMEOVILLE* SUNNY 68 64 88 N8 30.03R TC 20
NORTHERLY ISL* N/A 72 57 59 MISG N/A TC 22
LMZ740>746-201400-
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 68 73 320/ 8/ 12 1016.2R 1/ 4
WAUKEGAN HARBOR 67 74 300/ 8/ 12 1016.9R 1/ 4
WILMETTE BUOY 72 70/ 12/ 16 1019.0R 2/ 4
CHICAGO BUOY 73 73 1015.3R 2/ 4
NORTHERLY ISL 71 20/ 8/ 11 N/A
CALUMET HARBOR 360/ 7/ 10 1016.1
MICH CITY BUOY 72 74 10/ 10/ 12 N/A 2/ 4
ST. JOSEPH BUOY 70 74 70/ 4/ 6 1016.7R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-201400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-201400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
DECATUR FOG 69 69 100 NE7 30.01R VSB 1 TC 21
PEORIA NOT AVBL
SPRINGFIELD FOG 68 67 96 NE3 30.01S VSB 1 TC 20
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-201400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 72 70 94 N6 30.00R TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 72 72 100 S3 29.99R TC 22
ILZ067-068-072-073-078-083-087-091-201400-
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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