655
ASUS43 KLOT 290203
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 PM 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.
ILZ001-002-007-009-015-016-024-290300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 75 67 76 CALM 29.88R TC 24
STERLING* CLEAR 73 68 84 CALM 29.90R TC 23
SAVANNA* CLEAR 75 67 74 N3 29.90R TC 24
ILZ003-004-008-010-011-017-018-290300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 73 61 65 E5 29.92R TC 23
FREEPORT* CLEAR 71 66 82 NE3 29.93R TC 22
ILZ005-006-012>014-019>023-290300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 70 55 59 NE12 29.90S TC 21
CHICAGO-MIDWAY PTCLDY 71 55 56 NE10 29.90S TC 22
AURORA CLEAR N/A N/A N/A E3 29.90R
JOLIET* CLEAR 71 55 58 NE7 29.91R TC 21
WAUKEGAN CLEAR 66 56 70 N5 29.91R TC 19
DUPAGE AIRPORT CLEAR 70 56 61 NE8 29.91R TC 21
KANKAKEE* CLEAR 64 60 86 NE6 29.90S TC 18
WHEELING CLEAR 68 56 65 N6 29.92S TC 20
NORTHERLY ISL* N/A 69 58 67 N12 N/A TC 21
LMZ740>746-290300-
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 68 1012.8F 4/ 6
WAUKEGAN HARBOR 68 69 1013.6R 3/ 6
WILMETTE BUOY 70 60/ 12/ 19 1015.0F 4/ 6
CHICAGO BUOY 71 67 20/ 14 1011.4R 5/ 6
HARRISON CRIB 72 20/ 18/ 19 N/A
NORTHERLY ISL 69 350/ 9/ 15 N/A
CALUMET HARBOR 70 340/ 10/ 14 1012.6
BURNS HARBOR 1012.5S
MICHIGAN CITY 71 360/ 19/ 21 1010.4F
MICH CITY BUOY 71 73 360/ 16/ 19 N/A 6/ 6
ST. JOSEPH BUOY 71 71 360/ 14/ 19 1012.4S 6/ 6
ILZ025>027-034>036-040-047-049-050-058-095>099-290300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 78 73 84 NE5 29.88R HX 81 TC 26
MACOMB* CLEAR 73 73 100 CALM 29.91R TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-290300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 74 69 85 N7 29.90R TC 23
DECATUR CLEAR 72 69 90 CALM 29.88R TC 22
PEORIA CLEAR 75 68 78 CALM 29.88R TC 24
LINCOLN* CLEAR 75 70 84 N5 29.88R TC 24
SPRINGFIELD PTCLDY 74 72 93 CALM 29.88R TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-290300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 72 65 78 NE8 29.88R TC 22
DANVILLE* N/A 66 62 86 N6 29.89R TC 19
MATTOON PTCLDY 71 67 87 N5 29.87R TC 22
ILZ079-100>102-290300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 77 72 83 NE7 29.87R TC 25
BELLEVILLE PTCLDY 82 78 88 N6 29.83R HX 92 TC 28
CAHOKIA* PTCLDY 83 76 79 NE8 29.84R HX 91 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-290300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLOUDY 83 80 90 CALM 29.81S HX 94 TC 28
EFFINGHAM* PTCLDY 74 73 98 CALM 29.88R TC 23
MARION MOCLDY 82 73 74 N6 29.84R HX 88 TC 28
MT. VERNON MOCLDY 77 71 82 N3 29.85R TC 25
CENTRALIA* MOCLDY 77 72 83 CALM 29.86R TC 25
SALEM* MOCLDY 76 72 87 MISG 29.86R TC 25
ILZ067-068-072-073-078-083-087-091-290300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 75 72 90 N8 29.84R TC 24
FAIRFIELD* MOCLDY 75 71 87 N5 29.85R TC 24
HARRISBURG* MOCLDY 79 73 83 N8 29.82R HX 82 TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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