800
ASUS43 KLOT 181656
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT THU JUN 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.
ILZ001-002-007-009-015-016-024-181800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 71 56 58 NW12G23 29.77R TC 22
ILZ003-004-008-010-011-017-018-181800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
PERU* PTSUNNY 70 57 64 NW8 29.77R TC 21
ILZ005-006-012>014-019>023-181800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 68 52 56 N14G23 29.73R TC 20
CHICAGO-MIDWAY NOT AVBL
AURORA PTSUNNY 69 56 62 NW14 29.75R TC 21
WAUKEGAN PTSUNNY 65 51 60 NW6G17 29.73R TC 18
DUPAGE AIRPORT PTSUNNY 68 55 63 NW16G23 29.74R TC 20
WHEELING CLOUDY 67 53 61 N8 29.75R TC 19
ROMEOVILLE* PTSUNNY 68 57 68 N10 29.75R TC 20
NORTHERLY ISL* N/A 67 50 54 W9 N/A TC 19
LMZ740>746-181800-
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 60 49 1004.2R 1/ 3
WAUKEGAN HARBOR 62 48 270/ 10/ 16 1008.3R 1/ 3
WILMETTE BUOY 60 10/ 6/ 8 1008.8R 1/ 3
CHICAGO BUOY 61 59 10/ 10/ 12 1006.0R 1/ 3
HARRISON CRIB 62 350/ 11/ 12 N/A
NORTHERLY ISL 66 40/ 4/ 11 N/A
CALUMET HARBOR 340/ 10/ 13 1006.9
BURNS HARBOR 360/ 6/ 7 1007.8R
MICHIGAN CITY 62 320/ 10/ 12 1005.9R
MICH CITY BUOY 60 62 330/ 8/ 10 985.7R 2/ 4
ST. JOSEPH BUOY 60 63 300/ 10/ 14 1007.9R 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-181800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTSUNNY 70 59 68 W10 29.82R TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-181800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 73 55 53 NW12 29.85R TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 80 58 46 NE5 29.80F HX 80 TC 27
MARION CLOUDY 81 63 54 NW9 29.81S HX 82 TC 27
ILZ067-068-072-073-078-083-087-091-181800-
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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