798
ASUS43 KLOT 310101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT THU JUL 30 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.
ILZ001-002-007-009-015-016-024-310200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 75 69 81 SE5 29.99S TC 24
STERLING* MOCLDY 75 69 81 E3 30.02S TC 24
SAVANNA* MOCLDY 76 65 68 SE5 30.01S TC 25
ILZ003-004-008-010-011-017-018-310200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 76 64 66 CALM 30.03S TC 24
FREEPORT* MOCLDY 75 69 82 S3 30.04S TC 24
ILZ005-006-012>014-019>023-310200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 81 60 48 W5 30.01S HX 82 TC 27
CHICAGO-MIDWAY MOCLDY 80 61 52 SW8 30.01F HX 81 TC 27
AURORA PTCLDY 76 68 76 CALM 30.02F TC 24
JOLIET* PTCLDY 78 63 59 CALM 30.02F HX 80 TC 26
WAUKEGAN PTCLDY 75 60 59 SE3 30.01F TC 24
DUPAGE AIRPORT PTCLDY 77 63 61 CALM 30.01F TC 25
KANKAKEE* PTCLDY 75 66 74 CALM 30.04S TC 24
WHEELING PTCLDY 79 58 48 CALM 30.02F HX 80 TC 26
LANSING* PTCLDY 75 64 69 S3 30.03F TC 24
NORTHERLY ISL* N/A 74 62 66 SE1 N/A TC 23
LMZ740>746-310200-
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 74 140/ 8/ 10 1015.9F 1
WAUKEGAN HARBOR 73 73 190/ 4/ 6 1016.9F 1
WILMETTE BUOY 74 140/ 6/ 10 1019.9 1/ 2
CHICAGO BUOY 75 73 1015.3F 1/ 2
HARRISON CRIB 76 150/ 4/ 7 N/A
NORTHERLY ISL 75 CALM / 4 N/A
CALUMET HARBOR 77 100/ 6/ 9 1016.8
BURNS HARBOR 1017.3F
MICHIGAN CITY 80 100/ 3/ 4 1015.0F
MICH CITY BUOY 76 74 70/ 6/ 6 N/A 0
ST. JOSEPH BUOY 75 74 70/ 4/ 4 1017.5F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-310200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 76 68 76 SE3 29.99R TC 24
MACOMB* PTCLDY 75 70 86 CALM 30.02S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-310200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 75 63 66 SE7 30.04S TC 24
DECATUR PTCLDY 76 66 71 SE7 30.02S TC 24
PEORIA PTCLDY 79 62 56 SE3 30.01R HX 80 TC 26
LINCOLN* PTCLDY 78 67 68 SE3 30.01S HX 81 TC 26
SPRINGFIELD PTCLDY 77 65 66 E6 30.00S TC 25
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-310200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 73 67 81 E3 30.04S TC 23
MATTOON PTCLDY 77 63 61 CALM 30.02S TC 25
ILZ079-100>102-310200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE PTCLDY 80 69 69 E5 29.96F HX 83 TC 27
CAHOKIA* PTCLDY 79 68 69 E5 29.97F HX 81 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-310200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 79 66 65 E5 29.99R HX 81 TC 26
EFFINGHAM* MOCLDY 76 71 86 CALM 30.04S TC 24
MARION MOCLDY 79 64 59 E6 30.01S HX 80 TC 26
MT. VERNON MOCLDY 77 65 66 NE5 30.01S TC 25
CENTRALIA* MOCLDY 78 65 64 CALM 30.00F TC 25
SALEM* MOCLDY 78 67 68 MISG 30.01 HX 80 TC 26
ILZ067-068-072-073-078-083-087-091-310200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 76 68 76 CALM 30.01F TC 24
FAIRFIELD* MOCLDY 73 67 81 CALM 30.01S TC 23
HARRISBURG* MOCLDY 74 70 87 E3 30.00F TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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