040
ASUS43 KLOT 300956
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT THU APR 30 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.
ILZ001-002-007-009-015-016-024-301100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 37 34 89 CALM 30.03F TC 3
ILZ003-004-008-010-011-017-018-301100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 34 34 100 CALM 30.04S TC 1
PERU* CLEAR 41 39 93 CALM 30.04S TC 5
ILZ005-006-012>014-019>023-301100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 39 36 89 CALM 30.01S TC 4
CHICAGO-MIDWAY NOT AVBL
AURORA CLEAR 33 33 100 CALM 30.02S TC 1
WAUKEGAN CLEAR 33 33 100 W3 30.01S FOG TC 1
DUPAGE AIRPORT CLEAR 36 36 100 CALM 30.01F TC 2
WHEELING PTCLDY 37 36 96 CALM 30.03R TC 3
NORTHERLY ISL* N/A 43 38 82 W3 N/A TC 6
LMZ740>746-301100-
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 1011.6S 1/ 4
WAUKEGAN HARBOR 41 47 250/ 4/ 6 1016.4R 1
HARRISON CRIB 44 280/ 9/ 10 N/A
NORTHERLY ISL 43 270/ 4/ 7 N/A
CALUMET HARBOR 230/ 3/ 4 1016.4
BURNS HARBOR 44 230/ 3/ 5 1016.9S
MICHIGAN CITY 44 290/ 9/ 10 1016.0R
ST. JOSEPH BUOY 42 350/ 8/ 10 1016.9R 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-301100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-301100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLEAR 38 38 100 CALM 30.06S TC 3
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-301100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-301100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLEAR 41 40 96 CALM 30.06S TC 5
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 44 43 96 N3 30.05S TC 7
ILZ067-068-072-073-078-083-087-091-301100-
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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