731
ASUS43 KLOT 300406
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-300500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 66 63 90 CALM 30.03R TC 19
STERLING* CLEAR 64 63 96 CALM 30.06R TC 18
SAVANNA* CLEAR 65 62 91 CALM 30.04R TC 18
ILZ003-004-008-010-011-017-018-300500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 65 58 78 CALM 30.06R TC 18
FREEPORT* CLEAR 65 62 87 CALM 30.08R TC 19
ROCHELLE* CLEAR 60 56 85 CALM 30.06R TC 16
DE KALB* CLEAR 64 57 76 E5 30.06R TC 18
PERU* CLEAR 64 61 88 CALM 30.05 TC 18
ILZ005-006-012>014-019>023-300500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 70 53 54 N5 30.03R TC 21
CHICAGO-MIDWAY CLEAR 70 56 61 CALM 30.04R TC 21
AURORA CLEAR N/A N/A N/A CALM 30.04R
JOLIET* CLEAR 64 58 82 CALM 30.05R TC 18
WAUKEGAN CLEAR 61 57 87 CALM 30.03R TC 16
DUPAGE AIRPORT CLEAR 63 55 75 CALM 30.04R TC 17
KANKAKEE* CLEAR 63 60 90 NE3 30.05R TC 17
WHEELING CLEAR 66 58 75 CALM 30.05R TC 19
ROMEOVILLE* PTCLDY 66 55 68 NE3 30.05R TC 19
LANSING* CLEAR 67 62 84 CALM 30.04R TC 20
NORTHERLY ISL* N/A 68 63 84 N3 N/A TC 20
LMZ740>746-300500-
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 1016.3R 1/ 5
WAUKEGAN HARBOR 69 71 1017.2R 1/ 4
WILMETTE BUOY 71 30/ 4/ 6 1019.4S 1/ 4
CHICAGO BUOY 72 72 50/ 4 1016.0R 1/ 4
NORTHERLY ISL 67 360/ 4/ 5 N/A
CALUMET HARBOR 70 30/ 3/ 5 1016.9
BURNS HARBOR 1017.3S
MICH CITY BUOY 71 73 40/ 6/ 8 N/A 2/ 4
ST. JOSEPH BUOY 69 70 50/ 2/ 2 1017.6R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-300500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 72 66 81 E6 30.02R TC 22
GALESBURG* CLEAR 65 60 86 CALM 30.05R TC 18
MACOMB* CLEAR 65 64 94 CALM 30.06R TC 19
JACKSONVILLE* CLEAR 64 64 100 CALM 30.03R TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-300500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 61 59 94 MISG 30.04R TC 16
BLOOMINGTON CLEAR 67 61 81 E5 30.06R TC 19
DECATUR CLEAR 64 61 90 NE3 30.03R TC 18
PEORIA CLEAR 69 62 78 CALM 30.04R TC 21
LACON* CLEAR 64 59 82 CALM 30.03R TC 18
LINCOLN* CLEAR 67 63 86 CALM 30.03R TC 20
SPRINGFIELD CLEAR 66 64 93 CALM 30.02R TC 19
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-300500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 69 62 78 NE9 30.04R TC 21
DANVILLE* N/A 66 64 93 N6 30.03R VSB 3/4 TC 19
MATTOON CLEAR 68 63 84 NE5 30.01R TC 20
PARIS* CLEAR 67 64 91 N3 30.02R TC 20
ILZ079-100>102-300500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 70 67 89 CALM 30.01R TC 21
BELLEVILLE CLEAR 74 71 92 N5 29.98R TC 23
CAHOKIA* CLEAR 72 67 84 CALM 30.00R TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-300500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 72 71 98 CALM 29.97S TC 22
EFFINGHAM* CLEAR 68 68 100 CALM 30.03R TC 20
MARION CLEAR 70 69 98 CALM 29.99S TC 21
MT. VERNON CLEAR 67 66 97 CALM 30.00R TC 19
CENTRALIA* CLEAR 67 66 96 CALM 30.00S TC 20
SALEM* CLEAR 68 67 97 MISG 30.01R TC 20
METROPOLIS* CLEAR 70 70 98 CALM 29.97S TC 21
ILZ067-068-072-073-078-083-087-091-300500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 70 67 90 N6 29.99R TC 21
FAIRFIELD* CLEAR 70 65 85 N3 29.99R TC 21
HARRISBURG* CLEAR 69 69 99 CALM 29.99R TC 21
ROBINSON* CLEAR 66 66 100 NW3 29.99R TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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