881
ASUS43 KLOT 300510
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT THU JUL 30 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.
ILZ001-002-007-009-015-016-024-300600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 64 61 90 E5 30.04R TC 18
STERLING* CLEAR 65 63 93 E3 30.07R TC 18
SAVANNA* CLEAR 65 61 87 NE3 30.05S TC 18
ILZ003-004-008-010-011-017-018-300600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 64 59 83 CALM 30.07R TC 18
FREEPORT* CLEAR 62 60 94 CALM 30.08S TC 17
ROCHELLE* CLEAR 59 55 85 CALM 30.07S TC 15
DE KALB* CLEAR 64 54 69 SE3 30.08R TC 18
PERU* CLEAR 63 57 82 NE3 30.06S TC 17
ILZ005-006-012>014-019>023-300600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 69 56 62 E3 30.04R TC 21
CHICAGO-MIDWAY CLEAR 70 57 63 CALM 30.05R TC 21
AURORA CLEAR N/A N/A N/A CALM 30.06R
JOLIET* CLEAR 63 60 88 CALM 30.06R TC 17
WAUKEGAN CLEAR 58 57 97 CALM 30.05R TC 14
DUPAGE AIRPORT CLEAR 63 56 78 CALM 30.05R TC 17
KANKAKEE* CLEAR 64 60 87 CALM 30.06R TC 18
WHEELING CLEAR 63 58 83 CALM 30.06R TC 17
ROMEOVILLE* CLEAR 63 59 88 CALM 30.06S TC 17
LANSING* CLEAR 64 62 94 CALM 30.05S TC 18
NORTHERLY ISL* N/A 67 63 87 N1 N/A TC 19
LMZ740>746-300600-
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 67 1016.6 1/ 4
WAUKEGAN HARBOR 69 70 1017.5 1/ 4
WILMETTE BUOY 71 320/ 2/ 4 1020.3R 1/ 4
CHICAGO BUOY 72 72 50/ 2 1016.6 1/ 4
NORTHERLY ISL 68 10/ 2/ 5 N/A
CALUMET HARBOR 69 360/ 3/ 3 1017.4
BURNS HARBOR 1017.9R
MICH CITY BUOY 71 73 40/ 4/ 6 N/A 2/ 4
ST. JOSEPH BUOY 68 70 CALM 1017.8R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-300600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 71 65 81 E3 30.03R TC 22
GALESBURG* CLEAR 62 59 90 CALM 30.06R TC 17
MACOMB* CLEAR 61 61 100 CALM 30.07R TC 16
JACKSONVILLE* CLEAR 63 63 100 CALM 30.03S TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-300600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 59 58 96 MISG 30.06R TC 15
BLOOMINGTON CLEAR 65 60 84 E5 30.07R TC 18
DECATUR CLEAR 64 59 83 CALM 30.05R TC 18
PEORIA CLEAR 68 61 78 NE3 30.04S TC 20
LACON* CLEAR 63 58 85 CALM 30.05S TC 17
LINCOLN* CLEAR 65 62 87 NE3 30.04S TC 19
SPRINGFIELD CLEAR 65 62 90 CALM 30.04R TC 18
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-300600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 68 62 81 NE8 30.05R TC 20
DANVILLE* MOCLDY 64 63 94 N3 30.05R VSB 1 TC 18
MATTOON CLEAR 67 63 87 N3 30.03R TC 19
PARIS* PTCLDY 67 64 92 N5 30.04R TC 19
ILZ079-100>102-300600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 68 66 92 CALM 30.02S TC 20
CAHOKIA* CLEAR 71 67 87 CALM 30.00S TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-300600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 71 71 100 CALM 29.98R TC 21
EFFINGHAM* CLEAR 67 67 100 CALM 30.04R TC 20
MARION CLEAR 67 67 99 CALM 30.00S TC 19
MT. VERNON CLEAR 64 63 96 CALM 30.01R TC 18
CENTRALIA* CLEAR 66 65 94 CALM 30.02R TC 19
SALEM* CLEAR 67 65 96 MISG 30.01S TC 19
METROPOLIS* CLEAR 70 69 98 CALM 29.99R TC 21
ILZ067-068-072-073-078-083-087-091-300600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 69 66 90 NE6 30.00R TC 21
FAIRFIELD* CLEAR 69 65 87 CALM 30.00S TC 21
HARRISBURG* CLEAR 70 69 96 CALM 30.00R TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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