829
ASUS43 KLOT 212056
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM 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.
ILZ001-002-007-009-015-016-024-212200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 70 47 43 E13G21 30.15F TC 21
ILZ003-004-008-010-011-017-018-212200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
PERU* MOSUNNY 68 46 45 E10G16 30.18F TC 20
ILZ005-006-012>014-019>023-212200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 58 43 57 NE16 30.24F TC 14
CHICAGO-MIDWAY NOT AVBL
AURORA MOSUNNY 63 45 51 NE17G25 30.21F TC 17
WAUKEGAN MOSUNNY 54 40 59 NE8G20 30.27F TC 12
DUPAGE AIRPORT MOSUNNY 60 45 57 E15G24 30.23F TC 16
WHEELING MOSUNNY 55 41 59 NE14 30.27F TC 13
MORRIS* PTSUNNY 66 46 48 E14G20 30.18F TC 19
ROMEOVILLE* SUNNY 64 46 52 NE16G23 30.22F TC 18
NORTHERLY ISL* N/A 55 45 68 N13 N/A TC 13
LMZ740>746-212200-
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 1024.7S 3/ 4
WAUKEGAN HARBOR 47 49 340/ 17/ 21 1023.8F 2/ 4
WILMETTE BUOY 48 60/ 17/ 23 1025.4F 3/ 5
CHICAGO BUOY 51 55 30/ 17/ 21 1022.9F 3/ 5
HARRISON CRIB 50 20/ 18/ 20 N/A
NORTHERLY ISL 56 340/ 12/ 16 N/A
CALUMET HARBOR 10/ 13/ 17 1024.3
BURNS HARBOR 54 40/ 9/ 10 1024.4F
MICHIGAN CITY 53 30/ 16/ 17 1023.2F
ST. JOSEPH BUOY 52 360/ 16/ 21 1024.9F 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-212200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-212200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD MOSUNNY 72 46 39 E13G25 30.11F TC 22
TAYLORVILLE CLOUDY 66 54 63 E15 30.13S TC 19
ILZ033-039-045-046-055>057-062-063-212200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-212200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 68 57 68 E9 30.11S TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-212200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 66 59 78 N9 30.08R TC 19
MARION CLOUDY 64 61 88 NE6 30.08S TC 18
ILZ067-068-072-073-078-083-087-091-212200-
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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