171
ASUS43 KLOT 220356
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT THU MAY 21 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.
ILZ001-002-007-009-015-016-024-220500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE NOT AVBL
ILZ003-004-008-010-011-017-018-220500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
PERU* MOCLDY 55 39 54 E13 30.17S TC 13
ILZ005-006-012>014-019>023-220500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 51 40 65 NE10 30.20F TC 11
CHICAGO-MIDWAY NOT AVBL
AURORA NOT AVBL
WAUKEGAN MOCLDY 51 40 65 NE12G23 30.22S TC 11
DUPAGE AIRPORT NOT AVBL
WHEELING NOT AVBL
MORRIS* CLOUDY 54 37 54 NE5 30.17F TC 12
NORTHERLY ISL* N/A 50 43 77 N6 N/A TC 10
LMZ740>746-220500-
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 50 1022.5R 3/ 4
WAUKEGAN HARBOR 49 50 350/ 10/ 14 1022.1F 2/ 4
WILMETTE BUOY 51 80/ 12/ 16 1023.2F 3/ 5
CHICAGO BUOY 52 55 10/ 8/ 12 1021.5F 3/ 5
HARRISON CRIB 51 20/ 9/ 9 N/A
NORTHERLY ISL 50 340/ 7/ 16 N/A
CALUMET HARBOR 350/ 6/ 10 1022.9
BURNS HARBOR 56 100/ 5/ 6 1023.0F
MICHIGAN CITY 58 80/ 7/ 10 1021.8F
ST. JOSEPH BUOY 58 120/ 6/ 10 1023.7R 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-220500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-220500-
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>057-062-063-220500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-220500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-220500-
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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