450
ASUS43 KLOT 300701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CDT THU JUL 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.
ILZ001-002-007-009-015-016-024-300800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 62 61 96 CALM 30.04S TC 17
ILZ003-004-008-010-011-017-018-300800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 60 57 89 CALM 30.08R TC 16
ILZ005-006-012>014-019>023-300800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 65 55 70 CALM 30.05S TC 18
CHICAGO-MIDWAY CLEAR 66 57 72 CALM 30.05S TC 19
AURORA CLEAR N/A N/A N/A N3 30.06S
WAUKEGAN CLEAR 60 56 86 SW3 30.05R TC 16
DUPAGE AIRPORT CLEAR 61 57 87 CALM 30.06S TC 16
WHEELING CLEAR 63 59 87 CALM 30.07S TC 17
NORTHERLY ISL* N/A 67 63 87 SW1 N/A TC 19
LMZ740>746-300800-
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 67 1016.7R 1
WAUKEGAN HARBOR 68 70 1017.7R 1
WILMETTE BUOY 69 250/ 6/ 8 1020.1R 1/ 4
CHICAGO BUOY 71 72 270/ 2 1016.7R 1/ 4
NORTHERLY ISL 67 CALM / 2 N/A
CALUMET HARBOR 67 280/ 1/ 1 1017.7
BURNS HARBOR 1017.9S
MICH CITY BUOY 71 72 10/ 2/ 4 N/A 1/ 4
ST. JOSEPH BUOY 70 70 290/ 4/ 4 1018.1R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-300800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-300800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLEAR 64 62 93 NE5 30.03F TC 18
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-300800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 65 61 87 NE6 30.04F TC 18
MATTOON CLEAR 64 62 93 NE3 30.02S TC 18
ILZ079-100>102-300800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLEAR 71 69 93 CALM 29.98F TC 22
CAHOKIA* CLEAR 70 66 87 CALM 30.00S TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-300800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MT. VERNON CLEAR 64 64 100 CALM 30.00F FOG TC 18
ILZ067-068-072-073-078-083-087-091-300800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 68 65 90 NE5 30.00F TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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