822
ASUS43 KLOT 180958
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-181100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 64 62 93 CALM 30.03S TC 18
ILZ003-004-008-010-011-017-018-181100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 61 60 97 SE5 30.03F TC 16
ILZ005-006-012>014-019>023-181100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 67 62 84 SW8 30.01R TC 19
CHICAGO-MIDWAY NOT AVBL
AURORA PTCLDY 60 60 100 CALM 30.03R FOG TC 16
WAUKEGAN CLEAR 63 61 93 W6 29.99S TC 17
DUPAGE AIRPORT PTCLDY 64 62 93 SW3 30.02R TC 18
WHEELING PTCLDY 66 61 84 CALM 30.03R TC 19
NORTHERLY ISL* N/A 68 61 78 SW6 N/A TC 20
LMZ740>746-181100-
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 74 240/ 12/ 16 1015.2S 1/ 3
WAUKEGAN HARBOR 69 74 260/ 10/ 14 1016.2S 1
WILMETTE BUOY 71 250/ 12/ 16 1018.8R 1/ 2
CHICAGO BUOY 71 73 1015.1S 1
HARRISON CRIB 73 240/ 9/ 11 N/A
NORTHERLY ISL 69 230/ 4/ 9 N/A
CALUMET HARBOR 210/ 4/ 6 1016.3
MICHIGAN CITY 67 200/ 7/ 8 1015.0F
MICH CITY BUOY 71 74 230/ 12/ 14 N/A 1/ 3
ST. JOSEPH BUOY 73 74 220/ 12/ 14 1016.9R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-181100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-181100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTCLDY 64 62 93 SW3 30.06F TC 18
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-181100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MT. VERNON CLEAR 63 61 94 CALM 30.07R FOG TC 17
ILZ067-068-072-073-078-083-087-091-181100-
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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