180
ASUS43 KLOT 180858
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-181000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE TSTM 72 66 81 W20G32 29.75R TC 22
ILZ003-004-008-010-011-017-018-181000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
PERU* CLOUDY 73 63 68 S14G21 29.82F TC 23
ILZ005-006-012>014-019>023-181000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 74 57 55 S12G28 29.82F TC 23
CHICAGO-MIDWAY NOT AVBL
AURORA MOCLDY 71 59 65 S10 29.81F TC 22
WAUKEGAN PTCLDY 75 60 59 S20G28 29.79F TC 24
DUPAGE AIRPORT PTCLDY 72 59 63 S16G25 29.82F TC 22
WHEELING PTCLDY 75 59 57 S16G26 29.82F TC 24
MORRIS* MOCLDY 72 57 60 S10 29.84S TC 22
NORTHERLY ISL* N/A 75 56 51 S14 N/A TC 24
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 49 1015.2R 2/ 3
WAUKEGAN HARBOR 65 51 180/ 12/ 19 1010.3F 2/ 3
HARRISON CRIB 76 200/ 27/ 29 N/A
NORTHERLY ISL 76 190/ 17/ 19 N/A
CALUMET HARBOR 170/ 12/ 16 1011.1
BURNS HARBOR 73 180/ 9/ 12 1012.2F
MICHIGAN CITY 73 170/ 15/ 17 1010.3F
ST. JOSEPH BUOY 66 180/ 14/ 19 1012.9F 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
ILZ028>032-037-038-041>044-048-051>054-059>061-181000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLEAR 74 62 66 S18G28 29.85S TC 23
TAYLORVILLE CLEAR 72 63 73 S17G24 29.88F TC 22
ILZ033-039-045-046-055>057-062-063-181000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-181000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 76 64 66 S12 29.94S TC 24
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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