144
ASUS43 KLOT 280501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT TUE JUL 28 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.
ILZ001-002-007-009-015-016-024-280600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 82 71 69 NW7 29.73R HX 86 TC 28
STERLING* CLEAR 76 73 91 W7 29.72R TC 24
SAVANNA* CLEAR 79 71 76 NW6 29.72R HX 82 TC 26
ILZ003-004-008-010-011-017-018-280600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 75 74 96 SE3 29.71R TC 24
FREEPORT* CLEAR 79 72 77 NW10 29.73S HX 82 TC 26
DE KALB* CLEAR 74 74 100 SW5 29.71S TC 23
ILZ005-006-012>014-019>023-280600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 75 72 90 SW5 29.66R TC 24
CHICAGO-MIDWAY PTCLDY 76 73 91 SW10 29.66F TC 24
AURORA CLEAR N/A N/A N/A SW3 29.68R
JOLIET* PTCLDY 76 76 100 CALM 29.68F TC 24
WAUKEGAN N/A N/A N/A N/A MISG 29.67R
DUPAGE AIRPORT CLEAR 73 73 100 CALM 29.68R TC 23
KANKAKEE* CLOUDY 74 72 92 S7 29.70F TC 23
WHEELING CLEAR 75 72 90 CALM 29.68R TC 24
NORTHERLY ISL* N/A 76 71 85 W10 N/A TC 24
LMZ740>746-280600-
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 69 61 1002.0F 2/ 5
WAUKEGAN HARBOR 73 68 1006.8R 2/ 5
WILMETTE BUOY 71 250/ 8/ 14 1007.2R 2/ 4
CHICAGO BUOY 76 72 230/ 14 1003.4R 1/ 2
HARRISON CRIB 79 240/ 19/ 21 N/A
NORTHERLY ISL 76 230/ 7/ 11 N/A
CALUMET HARBOR 76 220/ 6/ 11 1005.0
BURNS HARBOR 1005.1S
MICHIGAN CITY 74 210/ 16/ 18 1002.9R
MICH CITY BUOY 74 74 230/ 14/ 17 N/A 2/ 3
ST. JOSEPH BUOY 74 71 220/ 6/ 10 1006.0R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-280600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 81 76 84 W6 29.76R HX 87 TC 27
GALESBURG* PTCLDY 80 77 91 W6 29.76R HX 85 TC 27
MACOMB* CLEAR 79 78 99 CALM 29.77R HX 83 TC 26
JACKSONVILLE* CLEAR 80 75 83 SW7 29.75R HX 85 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-280600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 80 77 90 SW12 29.73S HX 87 TC 27
DECATUR CLEAR 80 74 81 SW9 29.74F HX 85 TC 27
PEORIA MOCLDY 82 77 84 SW6 29.73R HX 90 TC 28
LINCOLN* MOCLDY 82 76 80 SW3 29.74S HX 90 TC 28
SPRINGFIELD CLEAR 79 75 87 SW5 29.75S HX 83 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-280600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 75 73 93 S8 29.74S TC 24
DANVILLE* PTCLDY 76 71 84 SW10G20 29.72F TC 24
MATTOON CLOUDY 78 76 93 S9 29.75F HX 81 TC 26
ILZ079-100>102-280600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 80 74 81 SW5 29.78S HX 84 TC 27
CAHOKIA* PTCLDY 80 74 81 W6 29.76F HX 85 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 85 82 88 S5 29.82F HX 102 TC 30
EFFINGHAM* CLOUDY 80 80 100 S5 29.78F HX 86 TC 27
MARION PTCLDY 85 78 82 SW6 29.80F HX 96 TC 29
MT. VERNON CLEAR 82 79 90 CALM 29.79S HX 92 TC 28
CENTRALIA* CLEAR 80 76 89 CALM 29.78F HX 85 TC 27
SALEM* CLEAR 81 77 90 MISG 29.79S HX 88 TC 27
ILZ067-068-072-073-078-083-087-091-280600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FAIRFIELD* MOCLDY 82 78 90 S5 29.78S HX 90 TC 28
HARRISBURG* PTCLDY 82 81 94 S3 29.80S HX 95 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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