843
ASUS43 KLOT 181356
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CDT TUE AUG 18 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.
ILZ001-002-007-009-015-016-024-181500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 73 66 78 W3 30.01F TC 23
ILZ003-004-008-010-011-017-018-181500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 68 64 87 S5 30.01F TC 20
ILZ005-006-012>014-019>023-181500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 71 63 75 SW6 30.00F TC 22
CHICAGO-MIDWAY NOT AVBL
AURORA PTSUNNY 69 65 86 W3 30.03S TC 21
WAUKEGAN PTSUNNY 69 63 81 W6 29.99S TC 21
DUPAGE AIRPORT PTSUNNY 69 64 84 SW7 30.02S TC 21
WHEELING PTSUNNY 73 62 68 W7 30.02S TC 23
NORTHERLY ISL* N/A 72 60 66 SW6 N/A TC 22
LMZ740>746-181500-
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 72 74 240/ 6/ 8 1015.2F 0
WAUKEGAN HARBOR 73 74 300/ 6/ 8 1016.3R 1
WILMETTE BUOY 73 270/ 6/ 10 1018.8F 1
CHICAGO BUOY 73 73 1015.0F 1
HARRISON CRIB 73 250/ 9/ 9 N/A
NORTHERLY ISL 72 250/ 4/ 6 N/A
CALUMET HARBOR 220/ 4/ 7 1016.5
MICHIGAN CITY 71 220/ 9/ 10 1014.9F
MICH CITY BUOY 72 74 240/ 12/ 16 N/A 2/ 3
ST. JOSEPH BUOY 73 74 240/ 10/ 14 1017.0R 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-181500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTSUNNY 73 67 81 W6 30.06R TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-181500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 72 68 88 CALM 30.07S TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 73 68 83 CALM 30.08S TC 23
ILZ067-068-072-073-078-083-087-091-181500-
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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