438
ASUS43 KLOT 181756
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM 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.
ILZ001-002-007-009-015-016-024-181900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 75 68 78 SW5 29.98F TC 24
6HR MIN TEMP: 66; 6HR MAX TEMP: 75; 6HR PCP: TRACE;
ILZ003-004-008-010-011-017-018-181900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 77 67 71 SW10 29.99F TC 25
6HR MIN TEMP: 63; 6HR MAX TEMP: 79;
ILZ005-006-012>014-019>023-181900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 79 63 57 SW12 29.98S HX 80 TC 26
6HR MIN TEMP: 67; 6HR MAX TEMP: 81;
CHICAGO-MIDWAY NOT AVBL
AURORA PTSUNNY 76 67 73 SW10 30.00F TC 24
6HR MIN TEMP: 64; 6HR MAX TEMP: 78;
WAUKEGAN PTSUNNY 78 66 66 SW8 29.96F HX 80 TC 26
6HR MIN TEMP: 64; 6HR MAX TEMP: 79;
DUPAGE AIRPORT PTSUNNY 77 67 71 SW12 29.99F TC 25
6HR MIN TEMP: 65; 6HR MAX TEMP: 79;
WHEELING PTSUNNY 79 64 60 SW10 29.99F HX 81 TC 26
6HR MIN TEMP: 67; 6HR MAX TEMP: 80;
NORTHERLY ISL* N/A 80 59 48 S5 N/A HX 81 TC 27
LMZ740>746-181900-
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 77 74 240/ 10/ 14 1014.6F 1
WAUKEGAN HARBOR 77 74 240/ 10/ 14 1015.5F 1
WILMETTE BUOY 77 260/ 12/ 16 1018.7F 1/ 2
CHICAGO BUOY 78 73 1014.5F 1
NORTHERLY ISL 80 190/ 6/ 13 N/A
CALUMET HARBOR 210/ 7/ 9 1015.8
MICH CITY BUOY 75 74 230/ 2/ 4 N/A 1/ 3
ST. JOSEPH BUOY 73 74 220/ 10/ 12 1016.9F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-181900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTSUNNY 81 66 60 SW6G16 30.05F HX 83 TC 27
6HR MIN TEMP: 64; 6HR MAX TEMP: 82;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-181900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-181900-
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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