855
ASUS43 KLOT 201558
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM 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.
ILZ001-002-007-009-015-016-024-201700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 59 43 55 NE6G17 30.26F TC 15
ILZ003-004-008-010-011-017-018-201700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
PERU* MOSUNNY 61 43 51 NE13 30.24F TC 16
ILZ005-006-012>014-019>023-201700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 57 41 55 NE16 30.25S TC 14
CHICAGO-MIDWAY NOT AVBL
AURORA MOSUNNY 60 46 59 E8 30.24F TC 16
WAUKEGAN MOSUNNY 55 42 61 NE13G21 30.27S TC 13
DUPAGE AIRPORT CLOUDY 59 45 59 E10 30.24F TC 15
WHEELING CLOUDY 57 42 57 NE12G24 30.28R TC 14
MORRIS* PTSUNNY 61 45 55 NE6 30.23F TC 16
ROMEOVILLE* PTSUNNY 59 46 63 NE13 30.24F TC 15
NORTHERLY ISL* N/A 56 44 64 N13 N/A TC 13
LMZ740>746-201700-
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 1/ 3
WAUKEGAN HARBOR 50 51 340/ 10/ 12 1023.9R 1/ 2
WILMETTE BUOY 51 40/ 12/ 16 1025.6S 1/ 3
CHICAGO BUOY 53 54 10/ 14/ 19 1023.3R 2/ 3
HARRISON CRIB 52 10/ 14/ 15 N/A
NORTHERLY ISL 56 240/ 8/ 13 N/A
CALUMET HARBOR 360/ 11/ 15 1024.5
BURNS HARBOR 50 20/ 6/ 7 1024.7R
MICHIGAN CITY 51 360/ 10/ 11 1023.5F
ST. JOSEPH BUOY 51 360/ 12/ 16 1024.6R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-201700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-201700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTSUNNY 61 49 64 N12G18 30.21F TC 16
TAYLORVILLE PTSUNNY 59 52 77 N9 30.20F TC 15
ILZ033-039-045-046-055>057-062-063-201700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 61 50 67 N14 30.20S TC 16
ILZ079-100>102-201700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 57 50 77 N7 30.22S TC 14
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-201700-
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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