832
ASUS43 KLOT 200856
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-201000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 49 41 74 NW8 30.22R TC 9
ILZ003-004-008-010-011-017-018-201000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 47 42 83 NW7 30.21R TC 8
PERU* MOCLDY 52 46 82 NW8 30.20R TC 11
ILZ005-006-012>014-019>023-201000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 54 42 64 N14G21 30.17R TC 12
CHICAGO-MIDWAY NOT AVBL
AURORA PTCLDY 49 45 86 N10 30.18R TC 9
WAUKEGAN CLEAR 49 43 80 NW5 30.18R TC 9
DUPAGE AIRPORT MOCLDY 52 43 71 N15 30.18R TC 11
WHEELING MOCLDY 53 43 68 N8 30.19R TC 12
MORRIS* CLOUDY 54 46 76 N7 30.17R TC 12
NORTHERLY ISL* N/A 55 44 66 N9 N/A TC 13
LMZ740>746-201000-
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 1019.7R 1/ 3
WAUKEGAN HARBOR 52 51 290/ 6/ 8 1021.0R 1
WILMETTE BUOY 54 20/ 14/ 17 1022.2R 2/ 3
CHICAGO BUOY 55 53 350/ 16/ 19 1020.0R 2/ 3
HARRISON CRIB 55 350/ 17/ 19 N/A
NORTHERLY ISL 56 350/ 11/ 14 N/A
CALUMET HARBOR 340/ 11/ 17 1021.0
BURNS HARBOR 54 20/ 8/ 10 1021.7R
MICHIGAN CITY 53 360/ 14/ 16 1020.3R
ST. JOSEPH BUOY 52 350/ 12/ 16 1021.3R 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-201000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-201000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 54 47 77 N8 30.17S TC 12
TAYLORVILLE CLOUDY 55 52 88 N10 30.18R TC 13
ILZ033-039-045-046-055>057-062-063-201000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-201000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MT. VERNON LGT RAIN 63 61 94 N5 30.12F TC 17
ILZ067-068-072-073-078-083-087-091-201000-
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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