162
ASUS43 KLOT 291101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-291200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 64 61 90 CALM 29.96R TC 18
STERLING* CLEAR 59 58 96 CALM 29.99R TC 15
SAVANNA* CLEAR 60 57 89 CALM 29.98S TC 16
ILZ003-004-008-010-011-017-018-291200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 58 55 90 CALM 30.00R TC 14
FREEPORT* CLEAR 58 57 95 CALM 30.01R TC 15
ILZ005-006-012>014-019>023-291200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 63 59 87 N9 29.95R TC 17
CHICAGO-MIDWAY CLEAR 65 61 87 N9 29.95R TC 18
AURORA CLEAR N/A N/A N/A NW3 29.96S
JOLIET* CLEAR 61 60 95 CALM 29.96R TC 16
WAUKEGAN CLEAR 60 58 92 NW6 29.96R TC 16
DUPAGE AIRPORT CLEAR 58 57 97 N6 29.96R TC 14
KANKAKEE* CLEAR 60 58 94 NW5 29.95R TC 16
WHEELING PTCLDY 61 59 93 N5 29.97R TC 16
NORTHERLY ISL* N/A 67 61 81 N7 N/A TC 19
LMZ740>746-291200-
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 1013.2R 2/ 5
WAUKEGAN HARBOR 64 68 1014.8R 2/ 5
WILMETTE BUOY 69 40/ 12/ 17 1016.6R 3/ 6
CHICAGO BUOY 71 70 20/ 10 1013.0R 3/ 6
HARRISON CRIB 71 10/ 12/ 13 N/A
NORTHERLY ISL 67 360/ 6/ 8 N/A
CALUMET HARBOR 69 350/ 4/ 6 1013.8
BURNS HARBOR 1014.2R
MICHIGAN CITY 70 30/ 11/ 12 1012.1R
MICH CITY BUOY 70 72 30/ 10/ 14 N/A 4/ 6
ST. JOSEPH BUOY 69 70 30/ 10/ 12 1014.5R 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-291200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 70 68 93 E8 29.94S TC 21
MACOMB* CLEAR 62 61 97 CALM 29.99R TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-291200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 62 58 86 N7 29.97R TC 17
DECATUR CLEAR 61 57 87 NE3 29.94S TC 16
PEORIA CLEAR 63 57 81 NE3 29.96R TC 17
LINCOLN* CLEAR 63 62 95 CALM 29.95R TC 17
SPRINGFIELD CLEAR 63 62 97 CALM 29.95R TC 17
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-291200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 57 56 96 NW5 29.94R TC 14
MATTOON CLEAR 59 57 93 CALM 29.92S TC 15
ILZ079-100>102-291200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* PTCLDY 69 66 90 E5 29.93R TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-291200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* CLEAR 62 62 100 CALM 29.94S TC 17
MARION PTCLDY 66 65 98 N6 29.91S TC 19
MT. VERNON PTCLDY 64 62 93 N3 29.92R TC 18
CENTRALIA* PTCLDY 66 61 85 CALM 29.93R TC 19
SALEM* N/A 63 62 95 MISG 29.93R TC 17
ILZ067-068-072-073-078-083-087-091-291200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 63 61 93 N6 29.90R TC 17
FAIRFIELD* CLEAR 63 60 90 CALM 29.91R TC 17
HARRISBURG* PTCLDY 65 65 100 N5 29.91R TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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