820
ASUS43 KLOT 220056
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-220200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE NOT AVBL
ILZ003-004-008-010-011-017-018-220200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 57 43 59 NE7 30.22S TC 14
PERU* MOCLDY 63 45 51 NE16 30.15F TC 17
ILZ005-006-012>014-019>023-220200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE NOT AVBL
CHICAGO-MIDWAY NOT AVBL
AURORA NOT AVBL
WAUKEGAN NOT AVBL
DUPAGE AIRPORT NOT AVBL
WHEELING NOT AVBL
MORRIS* CLOUDY 59 41 51 NE9 30.17S TC 15
ROMEOVILLE* CLOUDY 55 41 58 NE14G21 30.20S TC 13
NORTHERLY ISL* N/A 49 41 74 N14 N/A TC 9
LMZ740>746-220200-
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 51 1023.7F 3/ 4
WAUKEGAN HARBOR 49 50 340/ 17/ 23 1022.4F 3/ 4
WILMETTE BUOY 49 40/ 17/ 23 1023.7R 4/ 5
CHICAGO BUOY 51 55 360/ 17/ 19 1021.7F 4/ 5
HARRISON CRIB 49 350/ 18/ 19 N/A
NORTHERLY ISL 49 340/ 11/ 17 N/A
CALUMET HARBOR 330/ 9/ 15 1023.1
BURNS HARBOR 50 40/ 7/ 8 1023.4S
MICHIGAN CITY 51 30/ 12/ 13 1022.0F
ST. JOSEPH BUOY 53 360/ 8/ 10 1023.2R 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-220200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-220200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD NOT AVBL
TAYLORVILLE CLOUDY 64 48 55 NE7 30.09F TC 18
ILZ033-039-045-046-055>057-062-063-220200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-220200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 64 55 72 E9 30.08S TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-220200-
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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