098
ASUS43 KLOT 200956
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-201100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 66 65 96 NE5 29.99R TC 19
ILZ003-004-008-010-011-017-018-201100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 57 56 96 N3 30.02F TC 14
ILZ005-006-012>014-019>023-201100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 63 57 81 N8 29.97F TC 17
CHICAGO-MIDWAY NOT AVBL
AURORA CLEAR 59 58 96 CALM 29.98F TC 15
WAUKEGAN CLEAR 57 56 96 NW5 29.99S TC 14
DUPAGE AIRPORT CLEAR 61 58 90 N6 29.99S TC 16
WHEELING PTCLDY 61 57 87 N5 30.00S TC 16
NORTHERLY ISL* N/A 70 54 56 N9 N/A TC 21
LMZ740>746-201100-
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 69 74 310/ 6/ 10 1015.3R 2/ 4
WAUKEGAN HARBOR 69 74 300/ 8/ 10 1015.9F 2/ 4
WILMETTE BUOY 73 60/ 10/ 14 1018.0R 2/ 4
CHICAGO BUOY 73 73 1013.8F 3/ 4
NORTHERLY ISL 70 20/ 7/ 11 N/A
CALUMET HARBOR 360/ 9/ 12 1014.7
MICH CITY BUOY 72 74 20/ 12/ 16 N/A 2/ 4
ST. JOSEPH BUOY 69 74 40/ 8/ 10 1015.1F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-201100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-201100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD LGT RAIN 67 66 97 N6 29.95S TC 19
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-201100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-201100-
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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