321
ASUS43 KLOT 301103
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-301200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 58 57 97 CALM 30.06R TC 14
STERLING* CLEAR 55 55 100 E5 30.08S TC 13
SAVANNA* CLEAR 58 57 96 NE3 30.07S FOG TC 15
ILZ003-004-008-010-011-017-018-301200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 55 53 93 CALM 30.09S TC 13
FREEPORT* CLEAR 56 54 95 CALM 30.10S TC 13
ILZ005-006-012>014-019>023-301200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 63 56 78 W3 30.06S TC 17
CHICAGO-MIDWAY PTCLDY 64 58 80 CALM 30.06R TC 18
AURORA CLEAR N/A N/A N/A CALM 30.07S
JOLIET* CLEAR 59 59 100 CALM 30.08R TC 15
WAUKEGAN CLEAR 59 56 89 W6 30.06S TC 15
DUPAGE AIRPORT CLEAR 58 55 90 CALM 30.07S TC 14
KANKAKEE* CLEAR 58 56 95 CALM 30.08R TC 14
WHEELING MOCLDY 61 58 90 CALM 30.08S TC 16
LANSING* CLEAR 59 59 100 CALM 30.08R TC 15
NORTHERLY ISL* N/A 67 59 75 W1 N/A TC 19
LMZ740>746-301200-
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 66 1017.1R 1
WAUKEGAN HARBOR 67 70 1017.9F 1
WILMETTE BUOY 69 270/ 4/ 6 1020.2R 1/ 4
CHICAGO BUOY 71 71 320/ 6 1016.8S 1/ 4
NORTHERLY ISL 67 300/ 3/ 5 N/A
CALUMET HARBOR 65 CALM / 2 1018.0
BURNS HARBOR 1018.6R
MICH CITY BUOY 71 72 320/ 4/ 6 N/A 1/ 4
ST. JOSEPH BUOY 70 70 300/ 4/ 6 1018.8R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-301200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 65 61 87 E7 30.04S TC 18
MACOMB* CLEAR 55 55 100 CALM 30.08S TC 13
ILZ028>032-037-038-041>044-048-051>054-059>061-301200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 59 59 100 VRB5 30.08R TC 15
DECATUR CLEAR 57 57 100 E5 30.06R TC 14
PEORIA CLEAR 60 58 92 CALM 30.06S TC 16
LINCOLN* CLEAR 59 59 100 CALM 30.07R TC 15
SPRINGFIELD CLEAR 59 58 96 CALM 30.06R TC 15
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-301200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 62 60 93 NE7 30.06S TC 17
MATTOON CLEAR 60 59 96 NE3 30.05R FOG TC 16
ILZ079-100>102-301200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLEAR 66 64 93 E3 30.03R TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* CLEAR 64 64 100 NE3 30.06R TC 18
MARION FOG 64 63 98 NE3 30.03R VSB 1/4 TC 18
MT. VERNON CLEAR 63 63 100 NE5 30.03R TC 17
CENTRALIA* N/A 62 62 98 CALM 30.03S FOG TC 17
SALEM* CLEAR 65 64 96 MISG 30.03S TC 19
ILZ067-068-072-073-078-083-087-091-301200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 64 63 96 CALM 30.04R TC 18
FAIRFIELD* CLEAR 65 64 96 CALM 30.03R TC 18
HARRISBURG* CLEAR 65 65 99 CALM 30.02R TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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