622
ASUS43 KLOT 291401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-291500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 73 58 59 E7 30.01R TC 23
STERLING* SUNNY 73 59 61 E5 30.03R TC 23
SAVANNA* SUNNY 71 58 64 CALM 30.03R TC 22
ILZ003-004-008-010-011-017-018-291500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 72 55 55 NE5 30.04R TC 22
FREEPORT* SUNNY 70 62 75 CALM 30.05R TC 21
ILZ005-006-012>014-019>023-291500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 71 61 70 N10 30.00R TC 22
CHICAGO-MIDWAY MOSUNNY 72 62 71 NE8 29.99R TC 22
AURORA SUNNY N/A N/A N/A N8 30.01R
JOLIET* SUNNY 72 63 73 N6 30.01R TC 22
WAUKEGAN SUNNY 70 62 76 N12 30.00R TC 21
DUPAGE AIRPORT SUNNY 70 60 70 N8 30.00R TC 21
KANKAKEE* SUNNY 71 64 80 NE7 30.00R TC 22
WHEELING SUNNY 71 61 70 NE10 30.02R TC 22
NORTHERLY ISL* N/A 73 63 70 NE8 N/A TC 23
LMZ740>746-291500-
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 1018.2R 2/ 4
WAUKEGAN HARBOR 68 69 1016.3R 2/ 4
WILMETTE BUOY 69 50/ 12/ 16 1018.5R 2/ 4
CHICAGO BUOY 71 70 20/ 10 1014.6R 3/ 5
HARRISON CRIB 70 10/ 13/ 14 N/A
NORTHERLY ISL 71 350/ 7/ 11 N/A
CALUMET HARBOR 71 360/ 7/ 10 1015.5
BURNS HARBOR 1015.6R
MICHIGAN CITY 70 20/ 9/ 11 1014.0R
MICH CITY BUOY 70 72 30/ 8/ 12 N/A 3/ 5
ST. JOSEPH BUOY 68 69 40/ 8/ 10 1016.1R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-291500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 73 63 70 SE8 29.99R TC 23
MACOMB* SUNNY 72 63 75 CALM 30.03R TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-291500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 70 63 78 N9 30.01R TC 21
DECATUR SUNNY 70 62 76 NE7 29.98R TC 21
PEORIA SUNNY 74 58 57 NE7 30.00R TC 23
LINCOLN* SUNNY 71 63 76 NE5 29.99S TC 22
SPRINGFIELD SUNNY 71 61 70 NE6 29.99R TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-291500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 70 63 78 N10 29.99R TC 21
MATTOON SUNNY 67 61 81 NE7 29.97R TC 19
ILZ079-100>102-291500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 72 63 73 NE6 29.98R TC 22
BELLEVILLE SUNNY 73 64 73 NE6 29.95R TC 23
CAHOKIA* SUNNY 75 61 61 NE7 29.96R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-291500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 72 63 73 NE5 29.94R TC 22
EFFINGHAM* SUNNY 69 64 86 N5 29.98R TC 20
MARION SUNNY 72 64 78 N6 29.94R TC 22
MT. VERNON SUNNY 70 62 76 NE7 29.96R TC 21
CENTRALIA* SUNNY 71 62 74 CALM 29.96R TC 22
SALEM* SUNNY 70 64 81 MISG 29.96R TC 21
ILZ067-068-072-073-078-083-087-091-291500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 70 64 81 NE6 29.94S TC 21
FAIRFIELD* SUNNY 68 62 81 NE6 29.95R TC 20
HARRISBURG* MOSUNNY 70 65 84 NE6 29.95R TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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