405
ASUS43 KLOT 200956
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-201100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 48 42 80 NW8 30.23R TC 9
ILZ003-004-008-010-011-017-018-201100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
PERU* PTCLDY 52 46 82 N7 30.21R TC 11
ILZ005-006-012>014-019>023-201100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 53 42 66 N12 30.18R TC 12
CHICAGO-MIDWAY NOT AVBL
AURORA PTCLDY 47 44 90 N5 30.19R TC 8
WAUKEGAN PTCLDY 48 43 82 W3 30.19R TC 9
DUPAGE AIRPORT CLOUDY 50 43 77 N7 30.19R TC 10
WHEELING PTCLDY 51 43 74 N5 30.20R TC 11
MORRIS* PTCLDY 52 45 76 CALM 30.18R TC 11
NORTHERLY ISL* N/A 54 41 61 N16 N/A TC 12
LMZ740>746-201100-
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 1020.0R 1/ 2
WAUKEGAN HARBOR 52 51 290/ 6/ 8 1021.3R 1
WILMETTE BUOY 54 10/ 12/ 16 1022.6R 2/ 3
CHICAGO BUOY 54 53 350/ 16/ 19 1020.9R 3/ 4
HARRISON CRIB 55 340/ 15/ 17 N/A
NORTHERLY ISL 54 330/ 11/ 18 N/A
CALUMET HARBOR 340/ 10/ 13 1021.9
BURNS HARBOR 53 20/ 6/ 8 1022.4R
MICHIGAN CITY 52 360/ 15/ 18 1021.4R
ST. JOSEPH BUOY 50 330/ 10/ 14 1022.4R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-201100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-201100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 54 47 77 N8 30.20R TC 12
TAYLORVILLE MOCLDY 54 48 82 N10 30.20R TC 12
ILZ033-039-045-046-055>057-062-063-201100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-201100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-201100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE HVY RAIN 63 60 90 NW13G20 30.12R FOG TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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