227
ASUS43 KLOT 180756
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-180900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 76 66 71 S17G24 29.74F TC 24
ILZ003-004-008-010-011-017-018-180900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
PERU* PTCLDY 73 61 64 S13G20 29.83F TC 23
ILZ005-006-012>014-019>023-180900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 76 58 53 S15G22 29.83F TC 24
CHICAGO-MIDWAY NOT AVBL
AURORA MOCLDY 73 60 63 S13 29.83F TC 23
WAUKEGAN PTCLDY 75 60 59 SW16 29.81F TC 24
DUPAGE AIRPORT PTCLDY 73 59 61 S14G22 29.83F TC 23
WHEELING PTCLDY 76 59 55 S15G26 29.84F TC 24
MORRIS* PTCLDY 72 57 60 S9 29.84F TC 22
NORTHERLY ISL* N/A 76 54 46 S20 N/A TC 24
LMZ740>746-180900-
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 1010.6R 2/ 4
WAUKEGAN HARBOR 63 51 170/ 10/ 16 1010.6F 1/ 4
HARRISON CRIB 76 200/ 24/ 27 N/A
NORTHERLY ISL 76 190/ 14/ 19 N/A
CALUMET HARBOR 190/ 9/ 15 1011.5
BURNS HARBOR 74 180/ 8/ 10 1012.9F
MICHIGAN CITY 73 170/ 10/ 11 1011.0F
ST. JOSEPH BUOY 64 180/ 10/ 12 1013.5F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-180900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-180900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLEAR 74 62 66 S18G30 29.85F TC 23
TAYLORVILLE CLEAR 72 61 68 S14 29.89F TC 22
ILZ033-039-045-046-055>057-062-063-180900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-180900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 76 62 62 S12 29.94S TC 24
ILZ067-068-072-073-078-083-087-091-180900-
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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