483
ASUS43 KLOT 201756
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM CDT WED MAY 20 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.
ILZ001-002-007-009-015-016-024-201900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 62 43 49 N9 30.24F TC 17
6HR MIN TEMP: 49; 6HR MAX TEMP: 63;
ILZ003-004-008-010-011-017-018-201900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 64 40 41 N12 30.25F TC 18
6HR MIN TEMP: 49; 6HR MAX TEMP: 64;
PERU* MOSUNNY 66 45 45 E12G18 30.23F TC 19
ILZ005-006-012>014-019>023-201900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 58 42 55 NE15G22 30.25S TC 14
6HR MIN TEMP: 53; 6HR MAX TEMP: 59;
CHICAGO-MIDWAY NOT AVBL
AURORA MOSUNNY 63 44 50 NE10 30.24S TC 17
6HR MIN TEMP: 51; 6HR MAX TEMP: 63;
WAUKEGAN MOSUNNY 55 43 63 NE13G24 30.28R TC 13
6HR MIN TEMP: 49; 6HR MAX TEMP: 58;
DUPAGE AIRPORT CLOUDY 59 44 57 NE15G23 30.24S TC 15
6HR MIN TEMP: 51; 6HR MAX TEMP: 60;
WHEELING PTSUNNY 56 43 61 E15G25 30.29R TC 13
6HR MIN TEMP: 52; 6HR MAX TEMP: 58;
ROMEOVILLE* MOSUNNY 61 45 55 NE17G23 30.24S TC 16
NORTHERLY ISL* N/A 56 46 69 N12 N/A TC 13
LMZ740>746-201900-
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 46 1022.9R 2/ 3
WAUKEGAN HARBOR 49 52 350/ 16/ 21 1024.1F 2/ 3
WILMETTE BUOY 50 60/ 17/ 23 1025.8R 2/ 3
CHICAGO BUOY 52 54 20/ 19/ 23 1023.4S 2/ 4
HARRISON CRIB 51 20/ 20/ 22 N/A
NORTHERLY ISL 56 350/ 13/ 14 N/A
CALUMET HARBOR 340/ 12/ 17 1024.5
BURNS HARBOR 51 10/ 10/ 12 1024.4F
MICHIGAN CITY 50 10/ 23/ 24 1023.1F
ST. JOSEPH BUOY 51 360/ 17/ 21 1024.5F 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-201900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 60 47 61 NE10 30.24S TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-201900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTSUNNY 65 51 60 NE7G16 30.21S TC 18
6HR MIN TEMP: 53; 6HR MAX TEMP: 65;
TAYLORVILLE CLOUDY 63 55 77 N9 30.20F TC 17
ILZ033-039-045-046-055>057-062-063-201900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MATTOON CLOUDY 63 54 72 NE8 30.17S TC 17
ILZ079-100>102-201900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 63 55 77 N8 30.15F TC 17
MARION LGT RAIN 61 57 88 N14 30.15F TC 16
MT. VERNON CLOUDY 61 55 82 N5 30.18R TC 16
ILZ067-068-072-073-078-083-087-091-201900-
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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