499
ASUS43 KLOT 182258
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-190000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 81 70 69 SW12 29.90F HX 84 TC 27
ILZ003-004-008-010-011-017-018-190000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 76 68 76 S14 29.93S TC 24
ILZ005-006-012>014-019>023-190000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 77 66 68 SW10 29.92F TC 25
CHICAGO-MIDWAY NOT AVBL
AURORA MOSUNNY 76 69 79 S8 29.93F TC 24
WAUKEGAN CLOUDY 71 69 93 S6 29.90F TC 22
DUPAGE AIRPORT MOSUNNY 74 66 76 SW8 29.92F TC 23
WHEELING PTSUNNY 77 66 68 SW7 29.93F TC 25
ROMEOVILLE* MOSUNNY 77 70 78 S8 29.94F TC 25
NORTHERLY ISL* N/A 76 63 64 S10 N/A TC 24
LMZ740>746-190000-
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 73 74 160/ 17/ 23 1010.0F 1/ 2
WAUKEGAN HARBOR 74 74 340/ 2/ 2 1013.8F 0
WILMETTE BUOY 76 220/ 8/ 12 1016.4F 1
CHICAGO BUOY 77 73 1012.5F 1/ 2
NORTHERLY ISL 77 170/ 6/ 12 N/A
CALUMET HARBOR 200/ 8/ 12 1014.1
MICH CITY BUOY 76 74 220/ 10/ 16 N/A 2/ 3
ST. JOSEPH BUOY 76 74 220/ 14/ 16 1014.8S 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-190000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-190000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTSUNNY 82 66 58 SW7 29.97F HX 84 TC 28
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-190000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-190000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 84 70 61 NW5 30.00S HX 88 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-190000-
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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