605
ASUS43 KLOT 180901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CDT SAT JUL 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.
ILZ001-002-007-009-015-016-024-181000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 78 72 81 W8 29.93S HX 80 TC 26
STERLING* CLEAR 76 75 97 W9 29.92S TC 24
ILZ003-004-008-010-011-017-018-181000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 78 73 84 SW12 29.91R HX 81 TC 26
ILZ005-006-012>014-019>023-181000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 79 72 79 W10 29.88S HX 82 TC 26
CHICAGO-MIDWAY CLEAR 80 73 79 W12 29.88S HX 84 TC 27
AURORA CLEAR 75 74 96 W9 29.90R TC 24
WAUKEGAN PTCLDY 78 73 84 W10 29.85F HX 81 TC 26
DUPAGE AIRPORT CLEAR 76 73 91 SW9 29.89S TC 24
WHEELING PTCLDY 80 72 76 W7 29.88S HX 84 TC 27
NORTHERLY ISL* N/A 81 71 71 W5 N/A HX 85 TC 27
LMZ740>746-181000-
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 79 75 1011.2F 1
WAUKEGAN HARBOR 80 76 1012.2F 1
WILMETTE BUOY 80 240/ 10/ 14 1015.1S 1
CHICAGO BUOY 82 78 250/ 12/ 16 1010.7F 1
HARRISON CRIB 83 260/ 18/ 20 N/A
NORTHERLY ISL 81 250/ 2/ 9 N/A
BURNS HARBOR 1012.5F
MICHIGAN CITY 78 200/ 11/ 12 1010.1F
MICH CITY BUOY 78 78 220/ 10/ 14 N/A 1/ 3
ST. JOSEPH BUOY 79 78 220/ 14/ 16 1012.4F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-181000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 75 71 87 SW6 30.01R TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-181000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 76 74 93 SW10 29.97F TC 24
DECATUR CLEAR 77 72 84 SW9 29.99S TC 25
PEORIA PTCLDY 79 72 79 W9 29.95F HX 82 TC 26
SPRINGFIELD CLEAR 75 72 90 SW6 29.99S TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 73 73 100 SW5 29.98S TC 23
MATTOON CLEAR 76 74 93 SW5 29.99R TC 24
ILZ079-100>102-181000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLEAR 76 76 97 SW3 30.00R TC 25
CAHOKIA* CLEAR 77 73 87 SW6 30.01S TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MT. VERNON CLEAR 74 73 97 SW3 30.03R TC 23
ILZ067-068-072-073-078-083-087-091-181000-
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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