493
ASUS43 KLOT 182356
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.
ILZ001-002-007-009-015-016-024-190100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 75 55 49 NW12 29.83R TC 24
6HR MIN TEMP: 72; 6HR MAX TEMP: 76;
ILZ003-004-008-010-011-017-018-190100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 72 52 49 W9 29.83S TC 22
6HR MIN TEMP: 68; 6HR MAX TEMP: 74;
ILZ005-006-012>014-019>023-190100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 72 52 49 W6 29.80S TC 22
6HR MIN TEMP: 69; 6HR MAX TEMP: 73;
CHICAGO-MIDWAY NOT AVBL
AURORA SUNNY 73 55 53 NW9 29.82S TC 23
6HR MIN TEMP: 69; 6HR MAX TEMP: 74;
WAUKEGAN MOSUNNY 70 52 52 W6 29.80R TC 21
6HR MIN TEMP: 67; 6HR MAX TEMP: 72;
DUPAGE AIRPORT SUNNY 71 54 54 W8 29.81S TC 22
6HR MIN TEMP: 68; 6HR MAX TEMP: 72;
WHEELING PTSUNNY 72 52 49 NW10 29.82S TC 22
6HR MIN TEMP: 68; 6HR MAX TEMP: 74;
ROMEOVILLE* MOSUNNY 73 55 53 NW8G16 29.82S TC 23
NORTHERLY ISL* N/A 64 56 75 SE3 N/A TC 18
LMZ740>746-190100-
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 65 50 1012.5R 1
WAUKEGAN HARBOR 67 53 270/ 10/ 14 1010.3F 0
WILMETTE BUOY 61 170/ 8/ 10 1011.7F 1/ 4
CHICAGO BUOY 62 60 160/ 4/ 6 1008.4S 1/ 5
HARRISON CRIB 66 150/ 8/ 9 N/A
NORTHERLY ISL 66 110/ 3/ 6 N/A
CALUMET HARBOR 90/ 4/ 6 N/A
BURNS HARBOR 70/ 3/ 4 1010.2S
MICHIGAN CITY 67 50/ 1/ 1 1008.3F
MICH CITY BUOY 67 63 110/ 2/ 4 988.1F 2/ 5
ST. JOSEPH BUOY 66 66 200/ 2/ 4 1010.4S 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-190100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-190100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD MOSUNNY 74 60 61 NW7 29.84R TC 23
6HR MIN TEMP: 72; 6HR MAX TEMP: 76;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-190100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-190100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 72 63 73 W8 29.86S TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 78 62 57 N8 29.82R HX 80 TC 26
6HR MIN TEMP: 78; 6HR MAX TEMP: 86;
MARION MOSUNNY 81 63 54 N12 29.82R HX 82 TC 27
ILZ067-068-072-073-078-083-087-091-190100-
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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