600
ASUS43 KLOT 180556
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT MON MAY 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.
ILZ001-002-007-009-015-016-024-180700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE NOT AVBL
ILZ003-004-008-010-011-017-018-180700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 74 63 68 S8 29.83S TC 23
6HR MIN TEMP: 74; 6HR MAX TEMP: 82;
ILZ005-006-012>014-019>023-180700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE NOT AVBL
CHICAGO-MIDWAY NOT AVBL
AURORA NOT AVBL
WAUKEGAN NOT AVBL
DUPAGE AIRPORT NOT AVBL
WHEELING NOT AVBL
NORTHERLY ISL* N/A 77 54 44 S14 N/A TC 25
LMZ740>746-180700-
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 48 1008.9R 1/ 4
WAUKEGAN HARBOR 51 51 340/ 6/ 8 1011.8R 2/ 4
HARRISON CRIB 76 200/ 24/ 26 N/A
NORTHERLY ISL 77 190/ 15/ 22 N/A
CALUMET HARBOR 180/ 13/ 22 1011.9
BURNS HARBOR 76 190/ 7/ 11 1012.2R
MICHIGAN CITY 75 170/ 13/ 14 1011.0R
ST. JOSEPH BUOY 63 180/ 8/ 10 1013.6R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-180700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-180700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD NOT AVBL
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-180700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-180700-
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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