791
ASUS43 KLOT 310601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT FRI JUL 31 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.
ILZ001-002-007-009-015-016-024-310700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 70 65 84 SE6 29.98F TC 21
6HR MIN TEMP: 69; 6HR MAX TEMP: 78;
STERLING* MOCLDY 65 65 100 E3 30.02S TC 18
SAVANNA* PTCLDY 70 64 81 CALM 30.01S TC 21
ILZ003-004-008-010-011-017-018-310700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 66 63 90 CALM 30.03S TC 19
6HR MIN TEMP: 65; 6HR MAX TEMP: 79;
FREEPORT* MOCLDY 66 65 95 S5 30.04S TC 19
ILZ005-006-012>014-019>023-310700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 74 62 66 SW3 30.01F TC 23
6HR MIN TEMP: 74; 6HR MAX TEMP: 83;
CHICAGO-MIDWAY MOCLDY 74 63 68 SW7 30.01F TC 23
6HR MIN TEMP: 74; 6HR MAX TEMP: 83;
AURORA MOCLDY 67 65 93 S3 30.03S TC 19
6HR MIN TEMP: 65; 6HR MAX TEMP: 80;
JOLIET* PTCLDY 68 66 95 CALM 30.02F TC 20
WAUKEGAN MOCLDY 67 60 78 SW6 30.01S TC 19
6HR MIN TEMP: 66; 6HR MAX TEMP: 78;
DUPAGE AIRPORT MOCLDY 69 64 84 S3 30.02F TC 21
6HR MIN TEMP: 67; 6HR MAX TEMP: 80;
KANKAKEE* PTCLDY 67 65 94 CALM 30.05S TC 19
WHEELING MOCLDY 70 62 76 CALM 30.03S TC 21
6HR MIN TEMP: 69; 6HR MAX TEMP: 82;
LANSING* PTCLDY 67 64 89 CALM 30.04S TC 20
NORTHERLY ISL* N/A 76 60 57 SW5 N/A TC 24
LMZ740>746-310700-
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 72 150/ 4/ 4 1015.9R 1
WAUKEGAN HARBOR 72 71 200/ 6/ 6 1016.7S 0
WILMETTE BUOY 72 200/ 4/ 6 1019.2F 1
CHICAGO BUOY 75 73 1015.4F 1
HARRISON CRIB 79 210/ 8/ 8 N/A
NORTHERLY ISL 76 190/ 4/ 5 N/A
CALUMET HARBOR 74 200/ 3/ 3 1016.9
BURNS HARBOR 1017.6S
MICHIGAN CITY 74 170/ 6/ 6 1015.3F
MICH CITY BUOY 73 73 180/ 6/ 8 N/A 0
ST. JOSEPH BUOY 73 73 180/ 4/ 6 1017.6F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-310700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 73 66 78 S9 29.98F TC 23
GALESBURG* PTCLDY 70 64 80 SE3 30.01F TC 21
MACOMB* PTCLDY 69 68 96 CALM 30.01F TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-310700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 69 63 81 S7 30.05F TC 21
DECATUR MOCLDY 69 62 78 S3 30.04S TC 21
PEORIA MOCLDY 73 62 68 S7 30.01F TC 23
6HR MIN TEMP: 73; 6HR MAX TEMP: 81;
LACON* MOCLDY 71 60 67 SE6 30.01S TC 22
LINCOLN* MOCLDY 69 65 86 CALM 30.03F TC 21
SPRINGFIELD PTCLDY 72 64 76 SE6 30.02F TC 22
6HR MIN TEMP: 71; 6HR MAX TEMP: 81;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-310700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 66 63 90 SE5 30.05S TC 19
MATTOON MOCLDY 67 64 90 SE3 30.04S TC 19
ILZ079-100>102-310700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 71 65 83 E3 30.02F TC 22
BELLEVILLE PTCLDY 71 69 95 S5 30.00F TC 22
CAHOKIA* PTCLDY 73 66 78 SE6 30.00F TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-310700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 70 69 98 CALM 30.03S TC 21
EFFINGHAM* MOCLDY 67 67 100 CALM 30.06S TC 19
MARION PTCLDY 71 65 79 SE3 30.04S TC 22
MT. VERNON PTCLDY 69 63 81 NE3 30.04S TC 21
CENTRALIA* PTCLDY 68 64 86 CALM 30.03F TC 20
SALEM* PTCLDY 71 65 81 MISG 30.03F TC 22
ILZ067-068-072-073-078-083-087-091-310700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 68 66 93 CALM 30.04F TC 20
FAIRFIELD* PTCLDY 67 63 86 CALM 30.04S TC 20
HARRISBURG* PTCLDY 67 66 99 CALM 30.04S TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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