036
ASUS43 KLOT 210156
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-210300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 61 44 53 NE9 30.17F TC 16
ILZ003-004-008-010-011-017-018-210300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 52 35 52 E9 30.28R TC 11
PERU* CLEAR 55 37 50 NE13 30.24R TC 13
ILZ005-006-012>014-019>023-210300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 50 32 50 N13 30.27S TC 10
CHICAGO-MIDWAY NOT AVBL
AURORA CLEAR 50 35 56 NE13 30.26R TC 10
WAUKEGAN CLEAR 46 35 65 NE5 30.28R TC 8
DUPAGE AIRPORT CLEAR 49 33 54 NE9 30.27R TC 9
WHEELING PTCLDY 48 35 60 NE7 30.29S TC 9
MORRIS* PTCLDY 54 36 50 NE7 30.25R TC 12
NORTHERLY ISL* N/A 49 34 56 MISG N/A TC 9
LMZ740>746-210300-
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 48 1022.8R 2/ 4
WAUKEGAN HARBOR 49 51 340/ 12/ 16 1024.0R 2/ 4
WILMETTE BUOY 50 50/ 16/ 19 1025.6F 3/ 4
CHICAGO BUOY 51 54 10/ 19/ 23 1023.3F 4/ 4
HARRISON CRIB 50 20/ 19/ 22 N/A
NORTHERLY ISL 49 360/ 12/ 15 N/A
CALUMET HARBOR 340/ 9/ 15 1025.0
BURNS HARBOR 50 20/ 10/ 11 1025.1R
MICHIGAN CITY 49 20/ 19/ 21 1023.7R
ST. JOSEPH BUOY 50 10/ 14/ 19 1024.8R 4/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-210300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-210300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD LGT RAIN 62 44 51 NE16 30.16R TC 17
TAYLORVILLE MOCLDY 63 48 59 NE14G20 30.16R TC 17
ILZ033-039-045-046-055>057-062-063-210300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-210300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 64 55 72 VRB5 30.15R TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 64 61 88 CALM 30.12R TC 18
ILZ067-068-072-073-078-083-087-091-210300-
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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