348
ASUS43 KLOT 201956
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-202100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 65 45 48 NE10 30.21F TC 18
ILZ003-004-008-010-011-017-018-202100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
PERU* MOSUNNY 68 43 40 E8 30.22S TC 20
ILZ005-006-012>014-019>023-202100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 57 38 48 NE16G28 30.26R TC 14
CHICAGO-MIDWAY NOT AVBL
AURORA MOSUNNY 63 45 51 E15G26 30.23S TC 17
WAUKEGAN SUNNY 54 36 50 NE12G25 30.28S TC 12
DUPAGE AIRPORT PTSUNNY 60 44 55 NE18G24 30.25R TC 16
WHEELING MOSUNNY 56 36 47 NE16G26 30.29R TC 13
ROMEOVILLE* MOSUNNY 61 45 55 NE15G23 30.25R TC 16
NORTHERLY ISL* N/A 55 41 59 NE10 N/A TC 13
LMZ740>746-202100-
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 1023.3R 2/ 3
WAUKEGAN HARBOR 49 52 350/ 14/ 17 1024.3R 2/ 4
WILMETTE BUOY 50 60/ 19/ 23 1025.9R 3/ 4
CHICAGO BUOY 51 55 20/ 19/ 25 1023.5R 3/ 4
HARRISON CRIB 50 20/ 23/ 24 N/A
NORTHERLY ISL 55 10/ 9/ 17 N/A
CALUMET HARBOR 350/ 14/ 20 1024.9
BURNS HARBOR 51 20/ 11/ 13 1024.7R
MICHIGAN CITY 50 10/ 21/ 23 1023.7R
ST. JOSEPH BUOY 51 360/ 17/ 21 1025.0R 4/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-202100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-202100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD MOSUNNY 69 50 50 N9 30.18F TC 21
TAYLORVILLE CLOUDY 64 55 72 N9 30.19F TC 18
ILZ033-039-045-046-055>057-062-063-202100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MATTOON CLOUDY 66 54 65 NE10 30.16S TC 19
ILZ079-100>102-202100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 64 54 68 N10 30.18F TC 18
BELLEVILLE CLOUDY 66 59 77 NW13 30.15F TC 19
CAHOKIA* PTSUNNY 65 54 67 N13 30.16F TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-202100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MARION CLOUDY 63 57 82 N13 30.13F TC 17
ILZ067-068-072-073-078-083-087-091-202100-
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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