675
ASUS43 KLOT 291601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM 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.
ILZ001-002-007-009-015-016-024-291700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 78 60 53 VRB6 30.02S TC 26
STERLING* SUNNY 81 59 47 E6 30.04R HX 81 TC 27
SAVANNA* SUNNY 79 60 50 NE3 30.04S HX 80 TC 26
ILZ003-004-008-010-011-017-018-291700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 78 52 40 VRB5 30.05R TC 26
FREEPORT* SUNNY 77 60 55 NE6 30.07R TC 25
ILZ005-006-012>014-019>023-291700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 75 59 57 N14 30.01F TC 24
CHICAGO-MIDWAY MOSUNNY 75 59 57 N13 30.01S TC 24
AURORA SUNNY 75 59 57 N12 30.02S TC 24
JOLIET* SUNNY 77 60 55 NE9 30.01F TC 25
WAUKEGAN SUNNY 72 59 63 NE10 30.02F TC 22
DUPAGE AIRPORT SUNNY 75 57 53 N9 30.02S TC 24
KANKAKEE* SUNNY 75 63 66 NE5 30.02S TC 24
WHEELING SUNNY 74 61 63 N9 30.04S TC 23
ROMEOVILLE* SUNNY 75 63 64 N9G16 30.02S TC 24
NORTHERLY ISL* N/A 74 63 68 NW5 N/A TC 23
LMZ740>746-291700-
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 68 1018.4R 2/ 4
WAUKEGAN HARBOR 69 69 1017.1S 2/ 4
WILMETTE BUOY 69 30/ 12/ 16 1019.3R 2/ 4
CHICAGO BUOY 71 70 10/ 10 1015.7R 3/ 5
HARRISON CRIB 70 10/ 12/ 13 N/A
NORTHERLY ISL 74 350/ 10/ 11 N/A
CALUMET HARBOR 73 340/ 7/ 11 1016.6
BURNS HARBOR 1016.9R
MICHIGAN CITY 70 20/ 8/ 9 1014.8
MICH CITY BUOY 70 72 20/ 6/ 10 N/A 2/ 5
ST. JOSEPH BUOY 69 70 350/ 6/ 6 1017.0R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-291700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 78 61 55 NE7 30.01S HX 80 TC 26
MACOMB* SUNNY 78 64 63 CALM 30.04F TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-291700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 77 62 59 NE10 30.02S TC 25
DECATUR SUNNY 76 64 66 E9 29.99S TC 24
PEORIA SUNNY 79 58 48 NE8 30.01R HX 80 TC 26
LINCOLN* SUNNY 78 62 57 NE8 30.00S HX 80 TC 26
SPRINGFIELD SUNNY 76 63 64 N6 30.00R TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-291700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 76 66 71 N7 29.99S TC 24
MATTOON SUNNY 75 66 73 NE6 29.97S TC 24
ILZ079-100>102-291700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 79 66 65 CALM 29.99R HX 81 TC 26
BELLEVILLE SUNNY 79 66 64 CALM 29.95R HX 81 TC 26
CAHOKIA* SUNNY 80 60 50 VRB3 29.97S HX 81 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-291700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 77 64 65 NW5 29.95S TC 25
EFFINGHAM* SUNNY 76 68 76 CALM 29.99S TC 24
MARION SUNNY 77 63 61 CALM 29.95F TC 25
MT. VERNON SUNNY 78 63 59 VRB6 29.96S HX 80 TC 26
CENTRALIA* SUNNY 77 65 65 CALM 29.97S TC 25
SALEM* SUNNY 76 68 75 MISG 29.97S TC 25
ILZ067-068-072-073-078-083-087-091-291700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 76 68 76 VRB5 29.96S TC 24
FAIRFIELD* SUNNY 74 66 75 N5 29.96S TC 24
HARRISBURG* SUNNY 76 68 75 N3 29.96S TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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