409
ASUS43 KLOT 202356
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.
ILZ001-002-007-009-015-016-024-210100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 65 44 46 NE8 30.17F TC 18
6HR MIN TEMP: 62; 6HR MAX TEMP: 67;
ILZ003-004-008-010-011-017-018-210100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 59 37 44 NE9G21 30.25R TC 15
6HR MIN TEMP: 59; 6HR MAX TEMP: 68;
PERU* SUNNY 64 45 48 E18 30.20R TC 18
ILZ005-006-012>014-019>023-210100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 54 33 45 N17G23 30.25S TC 12
6HR MIN TEMP: 54; 6HR MAX TEMP: 59;
CHICAGO-MIDWAY NOT AVBL
AURORA SUNNY 56 37 49 NE15 30.24S TC 13
6HR MIN TEMP: 56; 6HR MAX TEMP: 64;
WAUKEGAN SUNNY 50 32 50 N8G18 30.28R TC 10
6HR MIN TEMP: 50; 6HR MAX TEMP: 55;
DUPAGE AIRPORT SUNNY 53 35 50 NE15 30.25S TC 12
6HR MIN TEMP: 53; 6HR MAX TEMP: 61;
WHEELING SUNNY 52 33 48 NE13G20 30.28S TC 11
6HR MIN TEMP: 52; 6HR MAX TEMP: 57;
MORRIS* SUNNY 59 37 44 NE7 30.23R TC 15
ROMEOVILLE* SUNNY 57 37 47 NE15G22 30.25R TC 14
NORTHERLY ISL* N/A 52 37 56 N13 N/A TC 11
LMZ740>746-210100-
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 47 1022.8R 2/ 4
WAUKEGAN HARBOR 49 51 340/ 12/ 16 1023.9R 2/ 4
WILMETTE BUOY 50 50/ 16/ 19 1025.6R 3/ 4
CHICAGO BUOY 52 54 10/ 17/ 21 1023.1R 3/ 4
HARRISON CRIB 52 20/ 19/ 21 N/A
NORTHERLY ISL 53 350/ 10/ 16 N/A
CALUMET HARBOR 340/ 10/ 14 1024.3
BURNS HARBOR 51 30/ 11/ 12 1024.4S
MICHIGAN CITY 51 20/ 21/ 24 1023.1F
ST. JOSEPH BUOY 51 10/ 16/ 21 1024.6R 4/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-210100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-210100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD MOSUNNY 69 48 47 NE7 30.13F TC 21
6HR MIN TEMP: 64; 6HR MAX TEMP: 71;
TAYLORVILLE PTSUNNY 66 52 59 NE8 30.13F TC 19
ILZ033-039-045-046-055>057-062-063-210100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-210100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 66 54 63 NE9 30.14S TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 66 57 72 N8 30.10S TC 19
MARION CLOUDY 64 59 82 N10 30.10S TC 18
ILZ067-068-072-073-078-083-087-091-210100-
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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