217
ASUS43 KLOT 200556
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT WED MAY 20 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.
ILZ001-002-007-009-015-016-024-200700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 52 43 71 NW8 30.20S TC 11
6HR MIN TEMP: 51; 6HR MAX TEMP: 59;
ILZ003-004-008-010-011-017-018-200700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
PERU* CLOUDY 55 46 71 NW10 30.18F TC 13
ILZ005-006-012>014-019>023-200700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 60 49 66 NW10 30.13S TC 16
6HR MIN TEMP: 60; 6HR MAX TEMP: 68;
CHICAGO-MIDWAY NOT AVBL
AURORA MOCLDY 55 49 80 NW10 30.15S TC 13
6HR MIN TEMP: 55; 6HR MAX TEMP: 65;
WAUKEGAN PTCLDY 55 47 74 NW6 30.15R TC 13
6HR MIN TEMP: 55; 6HR MAX TEMP: 67;
DUPAGE AIRPORT CLOUDY 57 48 72 NW13 30.14F TC 14
6HR MIN TEMP: 57; 6HR MAX TEMP: 66;
WHEELING CLOUDY 59 48 67 N10G20 30.15R TC 15
6HR MIN TEMP: 59; 6HR MAX TEMP: 68;
MORRIS* CLOUDY 57 48 72 NW8 30.16R TC 14
NORTHERLY ISL* N/A 62 49 62 NW7 N/A TC 17
LMZ740>746-200700-
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 1019.1R 1
WAUKEGAN HARBOR 56 51 310/ 6/ 8 1020.4R 1
WILMETTE BUOY 57 10/ 8/ 12 1021.5R 1
CHICAGO BUOY 59 53 330/ 12/ 14 1018.6S 1/ 2
HARRISON CRIB 62 320/ 17/ 18 N/A
NORTHERLY ISL 62 310/ 6/ 12 N/A
CALUMET HARBOR 300/ 9/ 12 1020.0
BURNS HARBOR 58 60/ 5/ 6 1021.0R
MICHIGAN CITY 57 60/ 7/ 7 1019.6R
ST. JOSEPH BUOY 53 280/ 2/ 2 1021.0R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-200700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-200700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 57 51 80 NW9 30.16S TC 14
6HR MIN TEMP: 57; 6HR MAX TEMP: 65;
TAYLORVILLE MOCLDY 57 54 88 N10 30.15R TC 14
ILZ033-039-045-046-055>057-062-063-200700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-200700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLOUDY 62 57 83 N12 30.14R TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-200700-
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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