967
ASUS43 KLOT 181958
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-182100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 80 70 71 SW10 29.94F HX 83 TC 27
ILZ003-004-008-010-011-017-018-182100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 77 68 73 SW8 29.97F TC 25
ILZ005-006-012>014-019>023-182100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 79 65 62 SW14G20 29.95F HX 81 TC 26
CHICAGO-MIDWAY NOT AVBL
AURORA CLOUDY 76 68 76 SW7 29.97F TC 24
WAUKEGAN CLOUDY 78 66 66 SW16 29.93F HX 80 TC 26
DUPAGE AIRPORT CLOUDY 77 67 71 SW13 29.97F TC 25
WHEELING PTSUNNY 79 65 62 W14G20 29.96F HX 81 TC 26
NORTHERLY ISL* N/A 79 62 56 S7 N/A HX 80 TC 26
LMZ740>746-182100-
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/ 12/ 17 1013.7F 1
WAUKEGAN HARBOR 78 74 230/ 10/ 16 1014.8F 1
WILMETTE BUOY 78 250/ 12/ 16 1018.2S 1/ 2
CHICAGO BUOY 78 73 1013.9F 1
NORTHERLY ISL 79 180/ 8/ 12 N/A
CALUMET HARBOR 220/ 8/ 12 1015.2
MICH CITY BUOY 77 74 210/ 2/ 4 N/A 1
ST. JOSEPH BUOY 75 74 230/ 6/ 6 1016.2F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-182100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-182100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTSUNNY 81 66 60 SW3 30.01F HX 83 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-182100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-182100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 84 66 54 W6 30.01F HX 86 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 86 66 51 S6 30.02F HX 88 TC 30
ILZ067-068-072-073-078-083-087-091-182100-
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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