723
ASUS43 KLOT 210356
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM 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.
ILZ001-002-007-009-015-016-024-210500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 56 40 55 E12 30.25R TC 13
ILZ003-004-008-010-011-017-018-210500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 50 33 52 VRB3 30.31R TC 10
PERU* CLEAR 52 37 58 NE12 30.27R TC 11
ILZ005-006-012>014-019>023-210500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 48 35 60 N10 30.27S TC 9
CHICAGO-MIDWAY NOT AVBL
AURORA CLEAR 45 35 68 NE6 30.27S TC 7
WAUKEGAN PTCLDY 47 36 65 NE10 30.26F TC 8
DUPAGE AIRPORT CLEAR 46 34 62 NE7 30.26F TC 8
WHEELING CLEAR 47 36 65 NE7 30.28F TC 8
MORRIS* CLEAR 48 36 61 NE3 30.26S TC 9
NORTHERLY ISL* N/A 48 37 65 N10 N/A TC 9
LMZ740>746-210500-
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 1022.7F 2/ 4
WAUKEGAN HARBOR 49 49 340/ 14/ 17 1023.7F 2/ 5
WILMETTE BUOY 50 60/ 17/ 21 1025.7F 3/ 4
CHICAGO BUOY 51 54 30/ 16/ 21 1023.4F 3/ 4
HARRISON CRIB 50 20/ 15/ 17 N/A
NORTHERLY ISL 49 20/ 10/ 14 N/A
CALUMET HARBOR 360/ 10/ 14 1025.0
BURNS HARBOR 51 40/ 9/ 10 1025.1S
MICHIGAN CITY 51 40/ 15/ 16 1023.7F
ST. JOSEPH BUOY 52 30/ 16/ 19 1025.1F 4/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-210500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-210500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD LGT RAIN 57 41 55 NE15 30.21R TC 14
TAYLORVILLE PTCLDY 57 45 62 NE12 30.21R TC 14
ILZ033-039-045-046-055>057-062-063-210500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-210500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-210500-
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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