279
ASUS43 KLOT 300303
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT WED JUL 29 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.
ILZ001-002-007-009-015-016-024-300400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 68 62 81 E3 30.02R TC 20
STERLING* CLEAR 67 64 90 CALM 30.03R TC 19
SAVANNA* CLEAR 68 66 92 CALM 30.02R TC 20
ILZ003-004-008-010-011-017-018-300400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 68 57 68 CALM 30.04R TC 20
FREEPORT* CLEAR 67 62 84 S5 30.04S TC 19
ILZ005-006-012>014-019>023-300400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 71 50 47 N6 30.02R TC 22
CHICAGO-MIDWAY CLEAR 71 55 56 NE3 30.02R TC 22
AURORA CLEAR N/A N/A N/A CALM 30.03R
JOLIET* CLEAR 66 58 76 CALM 30.03R TC 19
WAUKEGAN CLEAR 61 57 87 CALM 30.02R TC 16
DUPAGE AIRPORT CLEAR 68 53 58 E3 30.02R TC 20
KANKAKEE* CLEAR 64 59 82 NE5 30.04R TC 18
WHEELING CLEAR 66 57 72 CALM 30.04R TC 19
LANSING* CLEAR 68 62 82 CALM 30.03R TC 20
NORTHERLY ISL* N/A 68 63 84 MISG N/A TC 20
LMZ740>746-300400-
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 69 1016.0R 1/ 4
WAUKEGAN HARBOR 70 71 1016.9R 1/ 4
WILMETTE BUOY 71 30/ 4/ 6 1019.4R 1/ 4
CHICAGO BUOY 72 72 20/ 6 1015.6R 2/ 4
NORTHERLY ISL 68 360/ 4/ 7 N/A
CALUMET HARBOR 70 350/ 2/ 4 1016.7
BURNS HARBOR 1017.3R
MICH CITY BUOY 71 73 40/ 6/ 10 N/A 2/ 4
ST. JOSEPH BUOY 69 70 40/ 4/ 6 1017.2R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-300400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 72 66 81 NE3 30.00R TC 22
MACOMB* CLEAR 65 64 96 CALM 30.04R TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-300400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 69 62 78 NE5 30.04R TC 21
DECATUR CLEAR 67 63 87 NE3 30.01R TC 19
PEORIA CLEAR 71 62 73 CALM 30.02R TC 22
LINCOLN* CLEAR 70 64 81 N3 30.02R TC 21
SPRINGFIELD CLEAR 67 64 90 N3 30.01R TC 19
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-300400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 68 61 78 NE7 30.01R TC 20
MATTOON CLEAR 70 64 81 CALM 30.00R TC 21
ILZ079-100>102-300400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLEAR 76 70 83 N3 29.97R TC 24
CAHOKIA* CLEAR 75 67 76 NE5 29.98R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-300400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* CLEAR 70 69 97 CALM 30.01R TC 21
MARION CLEAR 70 69 98 CALM 29.98R TC 21
MT. VERNON CLEAR 69 68 96 CALM 29.99R TC 21
CENTRALIA* CLEAR 72 67 85 CALM 29.99R TC 22
SALEM* CLEAR 70 68 93 MISG 29.99R TC 21
ILZ067-068-072-073-078-083-087-091-300400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 72 68 87 N5 29.98R TC 22
FAIRFIELD* CLEAR 72 66 82 CALM 29.98R TC 22
HARRISBURG* CLEAR 71 71 99 CALM 29.98R TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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