514
ASUS43 KLOT 291010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-291100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 62 61 96 E5 29.95S TC 17
STERLING* CLEAR 60 60 100 CALM 29.97S TC 16
ILZ003-004-008-010-011-017-018-291100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 58 55 90 CALM 29.99R TC 14
ROCHELLE* CLEAR 56 54 92 CALM 29.97S TC 14
DE KALB* CLEAR 59 56 90 N5 29.98R TC 15
PERU* CLEAR 63 57 82 N3 29.96S TC 17
ILZ005-006-012>014-019>023-291100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 63 58 83 N8 29.94R TC 17
CHICAGO-MIDWAY CLEAR 64 61 90 NW9 29.93R TC 18
AURORA CLEAR N/A N/A N/A NW6 29.96R
JOLIET* CLEAR 62 61 97 N3 29.94S TC 17
WAUKEGAN CLEAR 61 59 93 N5 29.94S TC 16
DUPAGE AIRPORT CLEAR 58 57 97 N7 29.94S TC 14
KANKAKEE* CLEAR 60 58 94 N5 29.93S TC 16
WHEELING MOCLDY 63 59 87 N6 29.96R TC 17
ROMEOVILLE* CLOUDY 63 63 100 N7 29.95R TC 17
NORTHERLY ISL* N/A 67 61 81 N7 N/A TC 19
LMZ740>746-291100-
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 1012.9 2/ 5
WAUKEGAN HARBOR 65 68 1014.5 2/ 6
WILMETTE BUOY 70 40/ 10/ 16 1016.1R 3/ 6
CHICAGO BUOY 71 70 20/ 10 1012.7 3/ 6
HARRISON CRIB 71 20/ 11/ 13 N/A
NORTHERLY ISL 68 360/ 6/ 8 N/A
CALUMET HARBOR 69 360/ 4/ 7 1013.4
BURNS HARBOR 1013.5S
MICHIGAN CITY 70 30/ 12/ 13 1011.6R
MICH CITY BUOY 71 72 30/ 12/ 16 N/A 4/ 6
ST. JOSEPH BUOY 69 70 20/ 10/ 12 1014.0R 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-291100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 71 69 93 E5 29.94R TC 22
GALESBURG* CLEAR 65 59 81 CALM 29.97R TC 18
MACOMB* PTCLDY 63 63 99 CALM 29.97S TC 17
JACKSONVILLE* CLEAR 66 66 100 CALM 29.95R TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-291100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 58 58 100 MISG 29.95R TC 14
BLOOMINGTON CLEAR 63 57 81 N6 29.96R TC 17
DECATUR CLEAR 61 57 87 NE3 29.94R TC 16
PEORIA CLEAR 64 57 78 CALM 29.95R TC 18
LACON* CLEAR 59 55 88 CALM 29.95S TC 15
LINCOLN* CLEAR 64 62 94 N3 29.94S TC 18
SPRINGFIELD CLEAR 63 62 97 CALM 29.94R TC 17
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-291100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 58 56 93 NW5 29.93S TC 14
DANVILLE* N/A 58 57 96 N3 29.93R TC 15
MATTOON CLEAR 59 57 93 N6 29.92R TC 15
PARIS* CLEAR 60 59 94 CALM 29.92S TC 16
ILZ079-100>102-291100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 68 67 96 CALM 29.93S TC 20
BELLEVILLE PTCLDY 70 69 96 NE3 29.90R TC 21
CAHOKIA* PTCLDY 69 67 93 CALM 29.92R TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-291100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 72 71 96 CALM 29.88R TC 22
EFFINGHAM* CLEAR 63 62 98 NW3 29.93S TC 17
MARION PTCLDY 67 67 98 N3 29.90S TC 20
MT. VERNON CLEAR 63 63 100 N3 29.91 TC 17
CENTRALIA* CLEAR 67 62 85 CALM 29.91S TC 19
SALEM* CLEAR 65 62 91 MISG 29.91S TC 18
METROPOLIS* CLEAR 70 69 98 N3 29.88R TC 21
ILZ067-068-072-073-078-083-087-091-291100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 64 61 90 N5 29.89R TC 18
FAIRFIELD* CLEAR 64 60 89 CALM 29.90R TC 18
HARRISBURG* CLEAR 65 65 100 CALM 29.90R TC 18
ROBINSON* CLOUDY 61 61 100 N3 29.90R TC 16
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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