869
ASUS43 KLOT 291801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM 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.
ILZ001-002-007-009-015-016-024-291900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 82 60 47 SE7 30.03S HX 82 TC 28
6HR MIN TEMP: 64; 6HR MAX TEMP: 83;
STERLING* SUNNY 84 61 45 VRB6 30.04S HX 84 TC 29
SAVANNA* SUNNY 82 60 46 CALM 30.05S HX 82 TC 28
ILZ003-004-008-010-011-017-018-291900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 81 55 40 NE9 30.05F HX 81 TC 27
6HR MIN TEMP: 61; 6HR MAX TEMP: 82;
FREEPORT* SUNNY 81 61 50 NE12 30.06F HX 82 TC 27
ILZ005-006-012>014-019>023-291900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 77 58 51 NE14 30.02S TC 25
6HR MIN TEMP: 64; 6HR MAX TEMP: 78;
CHICAGO-MIDWAY MOSUNNY 77 60 55 NE13G18 30.02S TC 25
6HR MIN TEMP: 66; 6HR MAX TEMP: 77;
AURORA SUNNY 77 59 53 NE7 30.03S TC 25
JOLIET* SUNNY 80 59 48 NE6 30.02S HX 81 TC 27
WAUKEGAN SUNNY 75 58 55 NE9 30.03S TC 24
6HR MIN TEMP: 63; 6HR MAX TEMP: 76;
DUPAGE AIRPORT SUNNY 78 58 49 NE13G22 30.02F TC 26
6HR MIN TEMP: 62; 6HR MAX TEMP: 78;
KANKAKEE* SUNNY 77 59 53 NE10 30.02S TC 25
WHEELING SUNNY 76 58 53 NE9 30.05S TC 24
6HR MIN TEMP: 63; 6HR MAX TEMP: 77;
NORTHERLY ISL* N/A 74 62 66 N12 N/A TC 23
LMZ740>746-291900-
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 1017.4F 2/ 4
WAUKEGAN HARBOR 69 70 1017.5S 2/ 4
WILMETTE BUOY 69 50/ 10/ 14 1019.9F 2/ 4
CHICAGO BUOY 71 71 20/ 10 1015.9F 2/ 4
HARRISON CRIB 70 10/ 12/ 13 N/A
NORTHERLY ISL 74 350/ 10/ 11 N/A
CALUMET HARBOR 73 340/ 8/ 12 1016.9
BURNS HARBOR 1017.3R
MICHIGAN CITY 72 340/ 9/ 10 1015.1S
MICH CITY BUOY 70 73 350/ 8/ 12 N/A 2/ 4
ST. JOSEPH BUOY 70 71 350/ 10/ 12 1017.3R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-291900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 81 63 54 MISG 30.02S HX 82 TC 27
MACOMB* SUNNY 81 64 56 CALM 30.05S HX 83 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-291900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 81 60 48 NE10 30.02S HX 82 TC 27
DECATUR SUNNY 80 63 55 MISG 30.00S HX 81 TC 27
PEORIA SUNNY 83 58 42 NE9 30.01F HX 83 TC 28
6HR MIN TEMP: 64; 6HR MAX TEMP: 83;
LINCOLN* SUNNY 82 64 53 N7 30.00F HX 84 TC 28
SPRINGFIELD SUNNY 80 63 55 N7 30.00S HX 81 TC 27
6HR MIN TEMP: 64; 6HR MAX TEMP: 80;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-291900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 79 66 64 N8 29.99F HX 81 TC 26
MATTOON SUNNY 80 66 62 NE8 29.98R HX 82 TC 27
ILZ079-100>102-291900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 82 64 54 VRB3 29.99S HX 84 TC 28
CAHOKIA* SUNNY 84 64 50 NE9 29.97F HX 85 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-291900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 82 61 47 N7 29.95F HX 83 TC 28
CAIRO* SUNNY 84 71 63 CALM 29.94S HX 89 TC 29
EFFINGHAM* SUNNY 81 70 69 NE3 29.99F HX 84 TC 27
MT. VERNON SUNNY 84 63 49 VRB5 29.96F HX 85 TC 29
CENTRALIA* SUNNY 82 65 56 CALM 29.97S HX 84 TC 28
SALEM* SUNNY 81 69 65 MISG 29.98R HX 84 TC 27
ILZ067-068-072-073-078-083-087-091-291900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 80 67 64 N6 29.96S HX 82 TC 27
FAIRFIELD* SUNNY 79 68 68 CALM 29.96S HX 81 TC 26
HARRISBURG* SUNNY 82 69 65 NE3 29.96S HX 85 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page