306
ASUS43 KLOT 200756
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-200900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 50 41 71 NW9 30.21R TC 10
ILZ003-004-008-010-011-017-018-200900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
PERU* CLOUDY 54 46 76 NW9 30.18S TC 12
ILZ005-006-012>014-019>023-200900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 55 43 63 N12 30.15R TC 13
CHICAGO-MIDWAY NOT AVBL
AURORA CLOUDY 52 46 80 N12 30.16R TC 11
WAUKEGAN CLEAR 50 45 83 NW3 30.15R TC 10
DUPAGE AIRPORT CLOUDY 54 45 71 N13 30.16R TC 12
WHEELING MOCLDY 54 42 64 N12G21 30.17R TC 12
MORRIS* MOCLDY 55 46 71 N6 30.16R TC 13
NORTHERLY ISL* N/A 56 46 69 N14 N/A TC 13
LMZ740>746-200900-
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 1019.0R 1/ 2
WAUKEGAN HARBOR 53 51 310/ 6/ 8 1020.4R 1
WILMETTE BUOY 54 30/ 16/ 19 1021.4R 2/ 3
CHICAGO BUOY 56 53 350/ 17/ 21 1019.3R 2/ 3
HARRISON CRIB 56 340/ 21/ 23 N/A
NORTHERLY ISL 57 360/ 10/ 15 N/A
CALUMET HARBOR 340/ 10/ 13 1020.2
BURNS HARBOR 56 30/ 5/ 6 1021.0R
MICHIGAN CITY 56 10/ 7/ 7 1019.6R
ST. JOSEPH BUOY 53 320/ 6/ 8 1020.6S 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-200900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-200900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD MOCLDY 55 47 74 N8G17 30.17R TC 13
TAYLORVILLE MOCLDY 55 52 88 N10 30.16R TC 13
ILZ033-039-045-046-055>057-062-063-200900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-200900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MT. VERNON LGT RAIN 64 61 88 VRB3 30.13R TC 18
ILZ067-068-072-073-078-083-087-091-200900-
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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page