930
ASUS43 KLOT 201056
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-201200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 48 42 80 NW7 30.24R TC 9
ILZ003-004-008-010-011-017-018-201200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
PERU* PTCLDY 48 45 87 N6 30.22R TC 9
ILZ005-006-012>014-019>023-201200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 52 42 69 N10 30.20R TC 11
CHICAGO-MIDWAY NOT AVBL
AURORA PTCLDY 47 43 86 N6 30.21R TC 8
WAUKEGAN PTCLDY 47 43 86 NW5 30.20R TC 8
DUPAGE AIRPORT MOCLDY 49 43 80 N8 30.20R TC 9
WHEELING PTCLDY 49 43 80 NW5 30.22R TC 9
MORRIS* PTCLDY 52 45 76 N3 30.20R TC 11
ROMEOVILLE* MOCLDY 55 45 67 N17 30.19S TC 13
NORTHERLY ISL* N/A 54 41 61 NW9 N/A TC 12
LMZ740>746-201200-
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 47 1020.3R 1/ 3
WAUKEGAN HARBOR 51 51 300/ 8/ 10 1021.5R 1
WILMETTE BUOY 54 10/ 12/ 17 1022.9S 1/ 3
CHICAGO BUOY 54 53 350/ 16/ 19 1020.9S 2/ 4
HARRISON CRIB 54 340/ 16/ 18 N/A
NORTHERLY ISL 54 330/ 12/ 14 N/A
CALUMET HARBOR 330/ 9/ 16 1022.0
BURNS HARBOR 53 360/ 6/ 8 1022.4S
MICHIGAN CITY 52 350/ 16/ 19 1021.2R
ST. JOSEPH BUOY 50 350/ 12/ 16 1022.4F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-201200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-201200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD MOCLDY 53 46 77 N9 30.21R TC 12
TAYLORVILLE CLOUDY 54 48 82 N10 30.20R TC 12
ILZ033-039-045-046-055>057-062-063-201200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-201200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLOUDY 57 50 77 N13 30.19R TC 14
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-201200-
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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