359
ASUS43 KLOT 211756
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-211900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 65 47 52 E12G20 30.22F TC 18
6HR MIN TEMP: 49; 6HR MAX TEMP: 65;
ILZ003-004-008-010-011-017-018-211900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
PERU* PTSUNNY 66 46 48 E12G17 30.25R TC 19
ILZ005-006-012>014-019>023-211900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 55 43 63 NE12 30.29S TC 13
6HR MIN TEMP: 49; 6HR MAX TEMP: 56;
CHICAGO-MIDWAY NOT AVBL
AURORA PTSUNNY 60 47 61 E13 30.28R TC 16
6HR MIN TEMP: 49; 6HR MAX TEMP: 61;
WAUKEGAN CLOUDY 49 38 65 NE8 30.32S TC 9
6HR MIN TEMP: 46; 6HR MAX TEMP: 51;
DUPAGE AIRPORT PTSUNNY 58 46 64 NE12 30.28S TC 14
6HR MIN TEMP: 48; 6HR MAX TEMP: 59;
WHEELING NOT AVBL
MORRIS* MOSUNNY 64 46 52 E16 30.25R TC 18
ROMEOVILLE* MOSUNNY 63 48 59 NE13G23 30.27S TC 17
NORTHERLY ISL* N/A 55 47 74 N9 N/A TC 13
LMZ740>746-211900-
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 49 1023.3R 3/ 4
WAUKEGAN HARBOR 46 48 350/ 12/ 16 1025.3R 3/ 4
WILMETTE BUOY 49 90/ 17/ 21 1026.5R 3/ 5
CHICAGO BUOY 50 54 20/ 16/ 19 1024.8R 3/ 5
HARRISON CRIB 49 20/ 16/ 17 N/A
NORTHERLY ISL 53 10/ 8/ 15 N/A
CALUMET HARBOR 330/ 12/ 16 1025.6
BURNS HARBOR 52 10/ 9/ 11 1025.4R
MICHIGAN CITY 54 360/ 18/ 21 1024.2R
ST. JOSEPH BUOY 53 360/ 14/ 17 1026.0R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-211900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-211900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD NOT AVBL
TAYLORVILLE MOSUNNY 68 54 60 E9 30.15F TC 20
ILZ033-039-045-046-055>057-062-063-211900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MATTOON CLOUDY 61 48 62 NE18G33 30.16F TC 16
ILZ079-100>102-211900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 66 58 75 NE7 30.11F TC 19
6HR MIN TEMP: 59; 6HR MAX TEMP: 66;
MARION CLOUDY 64 57 77 N10 30.11F TC 18
ILZ067-068-072-073-078-083-087-091-211900-
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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