552
ASUS43 KLOT 300601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-300700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 64 61 90 CALM 30.04S TC 18
6HR MIN TEMP: 62; 6HR MAX TEMP: 82;
STERLING* CLEAR 62 62 100 E3 30.06F TC 17
SAVANNA* CLEAR 64 62 92 CALM 30.05F TC 18
ILZ003-004-008-010-011-017-018-300700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 61 58 90 CALM 30.07S TC 16
6HR MIN TEMP: 60; 6HR MAX TEMP: 81;
FREEPORT* CLEAR 61 60 95 CALM 30.08S TC 16
ILZ005-006-012>014-019>023-300700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 66 55 67 W3 30.05R TC 19
6HR MIN TEMP: 66; 6HR MAX TEMP: 77;
CHICAGO-MIDWAY CLEAR 67 57 70 W3 30.05S TC 19
6HR MIN TEMP: 67; 6HR MAX TEMP: 77;
AURORA CLEAR N/A N/A N/A CALM 30.06S
JOLIET* CLEAR 61 59 94 CALM 30.07R TC 16
WAUKEGAN CLEAR 57 56 96 W3 30.04F TC 14
6HR MIN TEMP: 57; 6HR MAX TEMP: 75;
DUPAGE AIRPORT CLEAR 62 55 77 CALM 30.06R TC 17
6HR MIN TEMP: 61; 6HR MAX TEMP: 77;
KANKAKEE* CLEAR 62 60 94 CALM 30.07S TC 16
WHEELING PTCLDY 63 58 83 CALM 30.07R TC 17
6HR MIN TEMP: 62; 6HR MAX TEMP: 76;
LANSING* CLEAR 63 61 95 CALM 30.06S TC 17
NORTHERLY ISL* N/A 68 64 87 N1 N/A TC 20
LMZ740>746-300700-
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 1016.6F 1/ 4
WAUKEGAN HARBOR 68 70 1017.6S 1
WILMETTE BUOY 70 300/ 2/ 6 1020.0F 1/ 4
CHICAGO BUOY 72 72 60/ 2 1016.3F 1/ 4
NORTHERLY ISL 68 350/ 1/ 4 N/A
CALUMET HARBOR 69 30/ 2/ 3 1017.6
BURNS HARBOR 1017.9S
MICH CITY BUOY 71 73 30/ 2/ 4 N/A 2/ 4
ST. JOSEPH BUOY 69 70 220/ 2/ 2 1018.1R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-300700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 67 64 90 E3 30.03S TC 19
MACOMB* CLEAR 61 61 100 CALM 30.07R TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-300700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 64 60 87 E3 30.07S TC 18
DECATUR CLEAR 62 59 90 E3 30.04F TC 17
PEORIA CLEAR 66 60 81 CALM 30.05R TC 19
6HR MIN TEMP: 66; 6HR MAX TEMP: 81;
LINCOLN* CLEAR 64 63 94 CALM 30.05R TC 18
SPRINGFIELD CLEAR 64 62 93 CALM 30.04S TC 18
6HR MIN TEMP: 64; 6HR MAX TEMP: 80;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-300700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 67 61 81 NE8 30.05S TC 19
MATTOON CLEAR 65 62 90 CALM 30.02F TC 18
ILZ079-100>102-300700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLEAR 73 70 91 NE5 29.99S TC 23
CAHOKIA* CLEAR 71 66 84 CALM 30.00S TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-300700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* CLEAR 67 67 100 CALM 30.04S TC 19
MARION CLEAR 68 67 98 N3 30.00F TC 20
MT. VERNON CLEAR 63 62 97 NE3 30.01S TC 17
CENTRALIA* CLEAR 66 65 97 CALM 30.01F TC 19
SALEM* CLEAR 69 66 90 MISG 30.01F TC 21
ILZ067-068-072-073-078-083-087-091-300700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 68 65 90 N6 30.01R TC 20
FAIRFIELD* CLEAR 69 65 88 N5 30.00S TC 21
HARRISBURG* CLEAR 70 69 94 N5 29.99F TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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