445
ASUS43 KLOT 211456
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-211600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 57 40 52 E9 30.25R TC 14
ILZ003-004-008-010-011-017-018-211600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 55 36 48 NE9G20 30.30F TC 13
PERU* MOSUNNY 59 43 55 E14 30.25F TC 15
ILZ005-006-012>014-019>023-211600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 49 39 68 NE12 30.30F TC 9
CHICAGO-MIDWAY NOT AVBL
AURORA MOSUNNY 57 43 59 E16 30.29F TC 14
WAUKEGAN PTSUNNY 48 37 65 NE10 30.33S TC 9
DUPAGE AIRPORT PTSUNNY 53 42 66 E12 30.30S TC 12
WHEELING CLOUDY 50 39 66 E12 30.32F TC 10
MORRIS* MOSUNNY 59 45 58 E12 30.26F TC 15
ROMEOVILLE* PTSUNNY 57 46 67 NE12G20 30.29S TC 14
NORTHERLY ISL* N/A 50 43 77 N10 N/A TC 10
LMZ740>746-211600-
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 50 1024.4F 3/ 5
WAUKEGAN HARBOR 46 48 350/ 14/ 17 1025.7S 3/ 4
WILMETTE BUOY 47 50/ 12/ 16 1027.5R 3/ 5
CHICAGO BUOY 50 54 30/ 12/ 14 1025.0F 3/ 4
HARRISON CRIB 49 40/ 10/ 12 N/A
NORTHERLY ISL 49 20/ 7/ 10 N/A
CALUMET HARBOR 10/ 8/ 11 1026.0
BURNS HARBOR 57 80/ 5/ 7 1026.1F
MICHIGAN CITY 56 70/ 10/ 13 1024.8F
ST. JOSEPH BUOY 55 90/ 8/ 10 1026.5F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-211600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-211600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD SUNNY 64 48 56 NE15G23 30.18F TC 18
TAYLORVILLE SUNNY 61 50 67 NE14 30.18S TC 16
ILZ033-039-045-046-055>057-062-063-211600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-211600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MARION CLOUDY 63 55 77 NE7 30.11S TC 17
ILZ067-068-072-073-078-083-087-091-211600-
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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