248
ASUS43 KLOT 280610
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-280700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 82 71 69 NW9 29.73S HX 86 TC 28
6HR MIN TEMP: 81; 6HR MAX TEMP: 91;
STERLING* CLEAR 75 72 90 W6 29.72S TC 24
SAVANNA* CLEAR 78 71 79 NW6 29.73S HX 80 TC 26
ILZ003-004-008-010-011-017-018-280700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 74 73 97 CALM 29.71S TC 23
6HR MIN TEMP: 74; 6HR MAX TEMP: 91;
FREEPORT* CLEAR 78 72 82 NW8 29.74S HX 80 TC 26
ROCHELLE* CLEAR 72 70 94 CALM 29.71S FOG TC 22
DE KALB* CLEAR 74 74 100 W5 29.71F TC 23
PERU* CLEAR 81 77 89 W6 29.70S HX 88 TC 27
ILZ005-006-012>014-019>023-280700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 74 72 93 N5 29.68R TC 23
6HR MIN TEMP: 74; 6HR MAX TEMP: 76;
CHICAGO-MIDWAY PTCLDY 75 73 93 CALM 29.68R TC 24
6HR MIN TEMP: 74; 6HR MAX TEMP: 76;
AURORA CLEAR N/A N/A N/A CALM 29.68S HAZE
6HR PCP: 0.02;
JOLIET* CLEAR 75 75 100 CALM 29.68S FOG TC 24
WAUKEGAN N/A N/A N/A N/A MISG 29.70R
DUPAGE AIRPORT CLEAR 73 73 100 CALM 29.68S FOG TC 23
6HR MIN TEMP: 72; 6HR MAX TEMP: 77; 6HR PCP: 0.02;
KANKAKEE* PTCLDY 73 72 94 SW3 29.69S TC 23
WHEELING MOCLDY 74 73 97 N6 29.71R TC 23
6HR MIN TEMP: 74; 6HR MAX TEMP: 76;
ROMEOVILLE* CLEAR 73 73 100 CALM 29.69S FOG TC 23
NORTHERLY ISL* N/A 76 71 85 W10 N/A TC 24
LMZ740>746-280700-
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 63 53 997.1 2/ 5
WAUKEGAN HARBOR 67 66 1007.5 1/ 5
WILMETTE BUOY 69 10/ 10/ 12 1008.5R 1/ 3
CHICAGO BUOY 75 72 330/ 6 1004.3 1
HARRISON CRIB 77 280/ 14/ 16 N/A
NORTHERLY ISL 76 230/ 7/ 13 N/A
CALUMET HARBOR 75 230/ 7/ 10 1004.8
BURNS HARBOR 1005.4R
MICHIGAN CITY 75 230/ 13/ 14 1003.2R
MICH CITY BUOY 75 74 250/ 10/ 14 N/A 2/ 3
ST. JOSEPH BUOY 72 71 300/ 4/ 6 1006.4R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-280700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 79 76 90 W6 29.76S HX 83 TC 26
GALESBURG* CLEAR 77 77 100 W6 29.76F TC 25
MACOMB* CLEAR 80 79 96 CALM 29.77S HX 88 TC 27
JACKSONVILLE* CLEAR 79 75 87 SW7 29.75F HX 82 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-280700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 79 79 100 MISG 29.69F HX 85 TC 26
BLOOMINGTON MOCLDY 81 77 88 W12 29.73S HX 88 TC 27
DECATUR CLEAR 79 73 82 W12 29.73F HX 82 TC 26
PEORIA CLEAR 82 77 84 NW6 29.71F HX 90 TC 28
6HR MIN TEMP: 81; 6HR MAX TEMP: 92;
LACON* CLEAR 81 76 84 NW3 29.70S HX 87 TC 27
LINCOLN* CLEAR 82 76 82 SW5 29.72F HX 89 TC 28
SPRINGFIELD CLEAR 78 75 90 SW6 29.73F HX 81 TC 26
6HR MIN TEMP: 78; 6HR MAX TEMP: 90;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-280700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 76 75 97 SW7 29.72F TC 24
DANVILLE* PTCLDY 77 73 87 SW10G17 29.71F TC 25
MATTOON MOCLDY 80 76 87 SW8G18 29.72F HX 86 TC 27
PARIS* MOCLDY 77 76 96 SW10 29.72F TC 25
ILZ079-100>102-280700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 81 74 80 SW6 29.76F HX 86 TC 27
BELLEVILLE PTCLDY 83 74 76 SW7 29.75S HX 89 TC 28
CAHOKIA* CLEAR 79 75 87 SW3 29.76S HX 83 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 85 80 85 S6 29.80F HX 99 TC 30
EFFINGHAM* MOCLDY 80 79 99 SW7 29.76F HX 85 TC 26
MARION CLEAR 83 81 94 SW7 29.80S HX 96 TC 28
MT. VERNON CLEAR 79 78 97 CALM 29.78F HX 83 TC 26
CENTRALIA* CLEAR 80 75 87 CALM 29.77F HX 84 TC 26
SALEM* CLEAR 80 76 87 MISG 29.77F HX 84 TC 27
METROPOLIS* CLEAR 84 81 90 S5 29.81F HX 98 TC 29
ILZ067-068-072-073-078-083-087-091-280700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FAIRFIELD* CLEAR 81 78 91 SW3 29.77S HX 89 TC 27
HARRISBURG* CLEAR 83 81 94 SW8 29.78F HX 96 TC 28
ROBINSON* MOCLDY 79 79 100 SW7 29.73F HX 83 TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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