117
ASUS43 KLOT 182056
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-182200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 80 70 71 SW13 29.93F HX 83 TC 27
ILZ003-004-008-010-011-017-018-182200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 77 67 71 S9 29.94F TC 25
ILZ005-006-012>014-019>023-182200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 78 66 66 SW10 29.93F HX 80 TC 26
CHICAGO-MIDWAY NOT AVBL
AURORA CLOUDY 75 68 78 SW9 29.95F TC 24
WAUKEGAN CLOUDY 77 67 71 SW12 29.92F TC 25
DUPAGE AIRPORT CLOUDY 76 67 73 SW13 29.95F TC 24
WHEELING CLOUDY 78 66 66 W12 29.95F HX 80 TC 26
NORTHERLY ISL* N/A 79 62 56 S15 N/A HX 80 TC 26
LMZ740>746-182200-
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 78 74 200/ 10/ 12 1013.2F 1
WAUKEGAN HARBOR 78 74 230/ 12/ 17 1014.1F 1
WILMETTE BUOY 78 240/ 12/ 14 1017.3F 1/ 2
CHICAGO BUOY 78 73 1013.2F 1
NORTHERLY ISL 79 260/ 8/ 11 N/A
CALUMET HARBOR 240/ 7/ 12 1014.6
MICH CITY BUOY 77 75 240/ 10/ 12 N/A 1
ST. JOSEPH BUOY 76 74 200/ 6/ 8 1015.2F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-182200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-182200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTSUNNY 82 66 58 SW7 29.99F HX 84 TC 28
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-182200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-182200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 84 66 54 S8 30.01S HX 86 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-182200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 85 62 46 VRB6 29.99F HX 85 TC 29
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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