361
ASUS43 KLOT 290910
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-291000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 65 62 90 E5 29.95R TC 18
STERLING* CLEAR 61 60 97 E3 29.97R TC 16
SAVANNA* CLEAR 64 58 82 CALM 29.96S TC 18
ILZ003-004-008-010-011-017-018-291000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 59 55 87 CALM 29.98R TC 15
FREEPORT* CLEAR 59 57 95 CALM 29.98F TC 15
ROCHELLE* CLEAR 57 54 91 CALM 29.97S TC 14
DE KALB* CLEAR 60 56 86 N5 29.97S TC 16
PERU* CLEAR 63 57 82 N5 29.95S TC 17
ILZ005-006-012>014-019>023-291000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 63 58 83 N8 29.93S TC 17
CHICAGO-MIDWAY CLEAR 65 62 90 NW8 29.92S TC 18
AURORA CLEAR N/A N/A N/A NW6 29.94S
JOLIET* CLEAR 64 61 90 CALM 29.94S TC 18
WAUKEGAN CLEAR 61 59 93 NW5 29.94R TC 16
DUPAGE AIRPORT CLEAR 59 57 93 N6 29.94S TC 15
KANKAKEE* CLEAR 60 59 95 NW3 29.93S TC 16
WHEELING PTCLDY 62 59 90 N3 29.95S TC 17
ROMEOVILLE* CLOUDY 63 63 100 N6 29.94S TC 17
NORTHERLY ISL* N/A 68 61 78 N6 N/A TC 20
LMZ740>746-291000-
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 1013.3 2/ 6
WAUKEGAN HARBOR 66 68 1014.3 2/ 6
WILMETTE BUOY 70 50/ 8/ 12 1015.9R 3/ 5
CHICAGO BUOY 71 70 20/ 10 1012.3 4/ 6
HARRISON CRIB 71 20/ 12/ 13 N/A
NORTHERLY ISL 67 20/ 4/ 11 N/A
CALUMET HARBOR 70 360/ 6/ 8 1013.2
BURNS HARBOR 1013.5S
MICHIGAN CITY 70 30/ 13/ 14 1011.3S
MICH CITY BUOY 71 72 30/ 12/ 16 N/A 4/ 7
ST. JOSEPH BUOY 69 70 20/ 10/ 14 1013.7R 3/ 6
ILZ025>027-034>036-040-047-049-050-058-095>099-291000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 71 70 96 CALM 29.92R TC 22
GALESBURG* CLEAR 65 60 84 CALM 29.96S TC 19
MACOMB* CLEAR 66 66 100 CALM 29.97R TC 19
JACKSONVILLE* PTCLDY 67 67 100 E5 29.93R TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-291000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 59 59 98 MISG 29.94R TC 15
BLOOMINGTON CLEAR 64 58 80 N5 29.95S TC 18
DECATUR CLEAR 63 57 81 CALM 29.93S TC 17
PEORIA CLEAR 65 56 72 NE6 29.94S TC 18
LACON* CLEAR 60 55 84 CALM 29.95S TC 15
LINCOLN* CLEAR 65 65 100 CALM 29.94S TC 18
SPRINGFIELD CLEAR 65 62 90 CALM 29.93S TC 18
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-291000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 58 57 97 NW7 29.93R TC 14
DANVILLE* N/A 60 58 93 N3 29.92S TC 15
MATTOON CLEAR 60 58 92 MISG 29.91R TC 16
PARIS* CLEAR 61 59 92 N3 29.91S TC 16
ILZ079-100>102-291000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 70 67 92 E3 29.92S TC 21
BELLEVILLE CLEAR 71 71 97 CALM 29.89R TC 22
CAHOKIA* PTCLDY 70 68 93 CALM 29.90S TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-291000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 74 73 97 CALM 29.87S TC 23
EFFINGHAM* CLEAR 64 63 98 CALM 29.93R TC 18
MARION CLEAR 68 67 98 CALM 29.90S TC 20
MT. VERNON CLEAR 64 62 93 CALM 29.90R TC 18
CENTRALIA* CLEAR 68 64 86 CALM 29.91R TC 20
SALEM* CLEAR 67 63 87 MISG 29.91R TC 20
METROPOLIS* CLEAR 71 70 98 N3 29.87F TC 22
ILZ067-068-072-073-078-083-087-091-291000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 65 62 90 N5 29.88S TC 18
FAIRFIELD* CLEAR 65 62 88 CALM 29.89S TC 19
HARRISBURG* CLEAR 66 66 98 CALM 29.89S TC 19
ROBINSON* PTCLDY 63 63 100 N3 29.89S TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page