308
ASUS43 KLOT 290808
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-290900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 67 63 87 E7 29.94S TC 19
STERLING* CLEAR 62 61 96 E5 29.96F TC 17
SAVANNA* CLEAR 65 59 80 CALM 29.96S TC 18
ILZ003-004-008-010-011-017-018-290900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 60 55 83 CALM 29.97S TC 16
FREEPORT* CLEAR 60 59 95 CALM 29.99S TC 16
ROCHELLE* CLEAR 60 54 79 CALM 29.96F TC 16
DE KALB* CLEAR 60 56 87 N6 29.97S TC 15
PERU* CLEAR 64 57 77 N5 29.96R TC 18
ILZ005-006-012>014-019>023-290900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 64 59 83 N8 29.93S TC 18
CHICAGO-MIDWAY CLEAR 67 61 81 N7 29.92F TC 19
AURORA CLEAR N/A N/A N/A NW6 29.94F
JOLIET* CLEAR 65 60 85 N5 29.94S TC 18
WAUKEGAN CLEAR 61 59 93 NW3 29.93F TC 16
DUPAGE AIRPORT CLEAR 62 58 86 N6 29.94S TC 17
KANKAKEE* CLEAR 59 58 96 CALM 29.93S TC 15
WHEELING PTCLDY 63 59 87 N5 29.95S TC 17
ROMEOVILLE* CLOUDY 64 63 94 N8 29.94S TC 18
NORTHERLY ISL* N/A 68 61 78 MISG N/A TC 20
LMZ740>746-290900-
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 1013.8 3/ 6
WAUKEGAN HARBOR 66 68 1014.0 2/ 5
WILMETTE BUOY 70 40/ 10/ 14 1015.7F 3/ 6
CHICAGO BUOY 72 70 30/ 10 1012.1 4/ 6
HARRISON CRIB 72 20/ 13/ 14 N/A
NORTHERLY ISL 69 360/ 8/ 11 N/A
CALUMET HARBOR 70 360/ 7/ 10 1013.3F
BURNS HARBOR 1013.5R
MICHIGAN CITY 71 30/ 15/ 17 1011.3S
MICH CITY BUOY 71 72 30/ 14/ 17 N/A 5/ 7
ST. JOSEPH BUOY 70 70 30/ 10/ 14 1013.5F 4/ 6
ILZ025>027-034>036-040-047-049-050-058-095>099-290900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 73 70 90 E6 29.91F TC 23
GALESBURG* CLEAR 67 62 83 E5 29.95F TC 19
MACOMB* PTCLDY 67 67 100 CALM 29.96R TC 20
JACKSONVILLE* PTCLDY 70 70 100 E7 29.92S TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-290900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 60 58 92 MISG 29.94S TC 16
BLOOMINGTON CLEAR 64 57 78 N5 29.95S TC 18
DECATUR PTCLDY 62 57 83 CALM 29.93S TC 17
PEORIA PTCLDY 66 56 70 NE5 29.94S TC 19
LACON* CLEAR 62 55 80 CALM 29.94S TC 17
LINCOLN* CLEAR 65 65 100 N3 29.94S TC 19
SPRINGFIELD PTCLDY 67 63 87 E5 29.93S TC 19
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-290900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 61 58 90 W3 29.92S TC 16
DANVILLE* N/A 59 57 94 CALM 29.92S TC 15
MATTOON CLEAR 61 58 90 N5 29.90F TC 16
PARIS* CLEAR 60 59 96 N3 29.91F TC 16
ILZ079-100>102-290900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 70 69 96 CALM 29.91S FOG TC 21
CAHOKIA* PTCLDY 72 69 90 CALM 29.90R TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-290900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 76 74 93 NE6 29.87S TC 24
EFFINGHAM* CLEAR 64 64 100 NW3 29.93S TC 18
MARION FOG 67 67 98 CALM 29.89F VSB 1/2 TC 20
MT. VERNON CLEAR 68 64 87 NE5 29.89F TC 20
CENTRALIA* CLEAR 69 66 88 CALM 29.90S TC 21
SALEM* CLEAR 68 66 91 MISG 29.90S TC 20
METROPOLIS* PTCLDY 72 71 98 CALM 29.88S TC 22
ILZ067-068-072-073-078-083-087-091-290900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 66 63 90 N3 29.88S TC 19
FAIRFIELD* CLEAR 67 63 86 CALM 29.88F TC 19
HARRISBURG* CLEAR 67 67 98 CALM 29.89S TC 20
ROBINSON* CLOUDY 64 63 94 N6 29.88S TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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