464
ASUS43 KLOT 300801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-300900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 61 60 97 CALM 30.04S TC 16
STERLING* CLEAR 60 60 100 E5 30.07S TC 16
SAVANNA* CLEAR 62 60 94 CALM 30.06S TC 17
ILZ003-004-008-010-011-017-018-300900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 57 56 96 CALM 30.08S TC 14
FREEPORT* CLEAR 59 58 95 CALM 30.09R TC 15
DE KALB* CLEAR 61 53 76 CALM 30.08S TC 16
ILZ005-006-012>014-019>023-300900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 64 55 72 W3 30.05S TC 18
CHICAGO-MIDWAY CLEAR 66 58 75 CALM 30.06R TC 19
AURORA CLEAR N/A N/A N/A CALM 30.06S
JOLIET* CLEAR 59 59 97 CALM 30.07R TC 15
WAUKEGAN CLEAR 58 56 93 CALM 30.05S TC 14
DUPAGE AIRPORT CLEAR 58 55 90 N3 30.06S TC 14
KANKAKEE* CLEAR 62 60 95 CALM 30.07S FOG TC 17
WHEELING PTCLDY 62 59 90 CALM 30.07S TC 17
LANSING* CLEAR 61 61 99 CALM 30.07R TC 16
NORTHERLY ISL* N/A 67 61 81 CALM N/A TC 19
LMZ740>746-300900-
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 1016.8R 1
WAUKEGAN HARBOR 67 70 1017.6F 1
WILMETTE BUOY 69 280/ 6/ 6 1020.1R 1/ 3
CHICAGO BUOY 72 72 320/ 2 1016.7S 1/ 4
NORTHERLY ISL 67 CALM / 1 N/A
CALUMET HARBOR 66 280/ 2/ 3 1017.8R
BURNS HARBOR 1018.3R
MICH CITY BUOY 71 72 20/ 2/ 4 N/A 1/ 4
ST. JOSEPH BUOY 70 70 290/ 2/ 2 1017.9F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-300900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 67 62 84 E5 30.02F TC 19
GALESBURG* CLEAR 63 60 88 CALM 30.06R TC 17
MACOMB* CLEAR 57 57 100 CALM 30.06S TC 14
JACKSONVILLE* CLEAR 61 61 100 E6 30.03S TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-300900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 61 59 93 NE5 30.07R TC 16
DECATUR CLEAR 62 59 90 NE3 30.04S TC 17
PEORIA CLEAR 63 60 90 CALM 30.05S TC 17
LACON* CLEAR 60 56 87 CALM 30.05S TC 15
LINCOLN* CLEAR 61 61 100 CALM 30.05R TC 16
SPRINGFIELD CLEAR 64 61 90 NE5 30.03S TC 18
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-300900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 64 61 90 NE8 30.04S TC 18
DANVILLE* CLOUDY 64 62 94 NE3 30.05S VSB 1 TC 18
MATTOON CLEAR 63 62 97 CALM 30.03R TC 17
ILZ079-100>102-300900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 66 64 93 CALM 30.01S TC 19
BELLEVILLE CLEAR 70 68 95 NE3 29.98S TC 21
CAHOKIA* CLEAR 66 65 96 CALM 30.00S TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-300900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 70 70 99 CALM 29.98S TC 21
EFFINGHAM* CLEAR 65 65 100 CALM 30.04S TC 18
MARION CLEAR 67 67 99 N3 30.00S TC 20
MT. VERNON CLEAR 65 64 97 NE5 30.00S TC 18
CENTRALIA* CLEAR 64 64 98 CALM 30.00F FOG TC 18
SALEM* CLEAR 67 65 91 MISG 30.01S TC 20
ILZ067-068-072-073-078-083-087-091-300900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 67 64 90 CALM 30.00S TC 19
FAIRFIELD* CLEAR 67 65 93 N3 30.00S TC 19
HARRISBURG* CLEAR 68 67 96 CALM 29.99S TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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