521
ASUS43 KLOT 172156
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CDT MON AUG 17 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.
ILZ001-002-007-009-015-016-024-172300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 81 62 52 NW8 30.03F HX 82 TC 27
ILZ003-004-008-010-011-017-018-172300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 79 58 48 VRB7 30.03F HX 80 TC 26
ILZ005-006-012>014-019>023-172300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 78 61 55 N6 30.00F HX 80 TC 26
CHICAGO-MIDWAY NOT AVBL
AURORA SUNNY 78 58 49 NW10 30.02S TC 26
WAUKEGAN SUNNY 75 63 66 SE6 30.01F TC 24
DUPAGE AIRPORT MOSUNNY 77 57 50 N10 30.01F TC 25
WHEELING PTSUNNY 77 63 61 E5 30.02F TC 25
NORTHERLY ISL* N/A 75 62 64 NE5 N/A TC 24
LMZ740>746-172300-
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 75 120/ 8/ 10 1016.3S 1/ 6
WAUKEGAN HARBOR 73 75 100/ 6/ 8 1017.0F 1/ 6
WILMETTE BUOY 73 100/ 4/ 8 1020.0F 2/ 5
CHICAGO BUOY 73 74 1015.6F 2/ 5
HARRISON CRIB 73 40/ 5/ 6 N/A
NORTHERLY ISL 75 30/ 6/ 9 N/A
CALUMET HARBOR 360/ 7/ 10 1016.9
MICHIGAN CITY 76 20/ 7/ 8 1014.9F
MICH CITY BUOY 72 74 350/ 10/ 12 N/A 3/ 5
ST. JOSEPH BUOY 72 75 350/ 10/ 14 1017.2F 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-172300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-172300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD MOSUNNY 81 63 54 N7 30.04F HX 82 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-172300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-172300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-172300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-172300-
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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