632
ASUS43 KLOT 220258
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-220400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 61 45 55 E15G23 30.13R TC 16
ILZ003-004-008-010-011-017-018-220400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 52 35 52 NE7G17 30.22R TC 11
PERU* MOCLDY 57 41 54 E13 30.17R TC 14
ILZ005-006-012>014-019>023-220400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 51 39 63 NE13 30.21S TC 11
CHICAGO-MIDWAY NOT AVBL
AURORA MOCLDY 53 37 54 NE14 30.19S TC 12
WAUKEGAN MOCLDY 48 40 73 NE10 30.22F TC 9
DUPAGE AIRPORT CLOUDY 52 37 56 NE9 30.20S TC 11
WHEELING MOCLDY 50 40 68 NE9 30.23S TC 10
MORRIS* CLOUDY 54 37 54 E7 30.18S TC 12
NORTHERLY ISL* N/A 49 41 74 N14 N/A TC 9
LMZ740>746-220400-
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 1021.9S 3/ 4
WAUKEGAN HARBOR 49 50 330/ 16/ 21 1022.3F 3/ 5
WILMETTE BUOY 49 60/ 16/ 21 1023.4F 3/ 5
CHICAGO BUOY 51 55 350/ 12/ 16 1021.8R 3/ 4
HARRISON CRIB 50 360/ 15/ 17 N/A
NORTHERLY ISL 50 350/ 10/ 16 N/A
CALUMET HARBOR 350/ 8/ 11 1023.1
BURNS HARBOR 53 60/ 4/ 5 1023.4R
MICHIGAN CITY 53 100/ 4/ 4 1022.1R
ST. JOSEPH BUOY 59 90/ 6/ 8 1023.6R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-220400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-220400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 65 46 50 E12 30.10R TC 18
TAYLORVILLE CLOUDY 64 52 63 E8 30.10S TC 18
ILZ033-039-045-046-055>057-062-063-220400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-220400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 63 55 77 E5 30.08S TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 64 60 87 CALM 30.06R TC 18
ILZ067-068-072-073-078-083-087-091-220400-
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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