838
ASUS43 KLOT 211556
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-211700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 60 43 53 NE12G18 30.23F TC 16
ILZ003-004-008-010-011-017-018-211700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
PERU* MOSUNNY 63 45 51 E10G18 30.25S TC 17
ILZ005-006-012>014-019>023-211700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 52 41 66 NE9 30.29F TC 11
CHICAGO-MIDWAY NOT AVBL
AURORA MOSUNNY 59 46 62 E15 30.28F TC 15
WAUKEGAN MOSUNNY 49 37 63 NE13G20 30.31F TC 9
DUPAGE AIRPORT CLOUDY 53 43 68 NE12 30.29F TC 12
WHEELING PTSUNNY 53 42 66 NE10G21 30.31F TC 12
MORRIS* MOSUNNY 63 46 55 E8G16 30.25S TC 17
ROMEOVILLE* MOSUNNY 57 46 67 NE14 30.28F TC 14
NORTHERLY ISL* N/A 53 45 74 MISG N/A TC 12
LMZ740>746-211700-
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 1023.6F 3/ 5
WAUKEGAN HARBOR 45 48 350/ 16/ 19 1025.0F 3/ 4
WILMETTE BUOY 47 60/ 16/ 21 1026.7F 3/ 5
CHICAGO BUOY 50 54 10/ 12/ 17 1024.5F 3/ 5
HARRISON CRIB 49 350/ 13/ 14 N/A
NORTHERLY ISL 51 360/ 9/ 11 N/A
CALUMET HARBOR 10/ 8/ 13 1025.9
BURNS HARBOR 53 10/ 6/ 8 1025.7F
MICHIGAN CITY 58 40/ 10/ 12 1024.6F
ST. JOSEPH BUOY 56 100/ 8/ 10 1026.4R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-211700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-211700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD SUNNY 67 47 48 E18G26 30.18S TC 19
TAYLORVILLE SUNNY 64 52 63 E13 30.17F TC 18
ILZ033-039-045-046-055>057-062-063-211700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-211700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 63 55 77 VRB6 30.12R TC 17
MARION CLOUDY 63 57 82 NE5 30.12R TC 17
ILZ067-068-072-073-078-083-087-091-211700-
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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