966
ASUS43 KLOT 210656
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM 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.
ILZ001-002-007-009-015-016-024-210800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 49 38 65 E6 30.26S TC 9
ILZ003-004-008-010-011-017-018-210800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
PERU* CLEAR 48 36 61 NE10 30.26F TC 9
ILZ005-006-012>014-019>023-210800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 50 37 61 NE10 30.27S TC 10
CHICAGO-MIDWAY NOT AVBL
AURORA PTCLDY 45 36 70 NE8 30.26S TC 7
WAUKEGAN PTCLDY 47 35 63 NE10 30.29S TC 8
DUPAGE AIRPORT PTCLDY 44 37 76 NE8 30.26S TC 7
WHEELING MOCLDY 48 37 65 NE7 30.29S TC 9
MORRIS* CLEAR 46 36 66 CALM 30.25F TC 8
NORTHERLY ISL* N/A 52 39 61 NE16 N/A TC 11
LMZ740>746-210800-
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 1023.4S 3/ 4
WAUKEGAN HARBOR 49 50 350/ 12/ 14 1024.5R 3/ 5
WILMETTE BUOY 51 90/ 17/ 23 1025.4F 3/ 5
CHICAGO BUOY 53 54 50/ 17/ 23 1023.3F 3/ 4
HARRISON CRIB 52 50/ 21/ 24 N/A
NORTHERLY ISL 52 50/ 18/ 19 N/A
CALUMET HARBOR 30/ 11/ 16 1024.8
BURNS HARBOR 52 30/ 8/ 9 1024.7S
MICHIGAN CITY 53 40/ 18/ 20 1023.1F
ST. JOSEPH BUOY 53 50/ 12/ 16 1025.0R 3/ 6
ILZ025>027-034>036-040-047-049-050-058-095>099-210800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-210800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD LGT RAIN 51 39 63 NE10 30.19F TC 11
TAYLORVILLE MOCLDY 52 41 66 NE9 30.20F TC 11
ILZ033-039-045-046-055>057-062-063-210800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-210800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MT. VERNON CLOUDY 61 54 77 N3 30.14F TC 16
ILZ067-068-072-073-078-083-087-091-210800-
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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