544
ASUS43 KLOT 201356
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-201500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 56 45 66 NE10G17 30.27S TC 13
ILZ003-004-008-010-011-017-018-201500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 56 42 59 N10 30.28R TC 13
PERU* MOSUNNY 57 43 58 N13 30.25S TC 14
ILZ005-006-012>014-019>023-201500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 56 43 61 NE13 30.24R TC 13
CHICAGO-MIDWAY NOT AVBL
AURORA MOSUNNY 56 44 64 NE14 30.24R TC 13
WAUKEGAN PTSUNNY 53 44 71 NE8 30.26R TC 12
DUPAGE AIRPORT MOSUNNY 55 44 66 N15G21 30.24R TC 13
WHEELING MOSUNNY 55 43 63 NE10 30.27R TC 13
MORRIS* CLOUDY 57 43 58 NE5 30.23R TC 14
ROMEOVILLE* PTSUNNY 57 46 67 N12 30.24R TC 14
NORTHERLY ISL* N/A 55 44 66 N10 N/A TC 13
LMZ740>746-201500-
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 1022.0R 1/ 3
WAUKEGAN HARBOR 51 51 340/ 10/ 14 1023.4R 1/ 2
WILMETTE BUOY 52 40/ 12/ 16 1024.8R 2/ 3
CHICAGO BUOY 53 53 20/ 16/ 19 1022.7R 2/ 3
HARRISON CRIB 53 20/ 15/ 17 N/A
NORTHERLY ISL 54 10/ 9/ 16 N/A
CALUMET HARBOR 350/ 9/ 15 1023.8
BURNS HARBOR 51 10/ 6/ 8 1024.0R
MICHIGAN CITY 51 350/ 6/ 7 1023.0R
ST. JOSEPH BUOY 49 360/ 8/ 10 1023.9R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-201500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-201500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTSUNNY 56 48 74 N9 30.23S TC 13
TAYLORVILLE CLOUDY 55 48 76 N10 30.23R TC 13
ILZ033-039-045-046-055>057-062-063-201500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-201500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE LGT RAIN 61 57 88 N8 30.16 TC 16
MARION LGT RAIN 61 57 88 N12 30.16F TC 16
ILZ067-068-072-073-078-083-087-091-201500-
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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