599
ASUS43 KLOT 050501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT SAT SEP 05 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.
ILZ001-002-007-009-015-016-024-050600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 79 75 87 SE3 29.92S HX 83 TC 26
STERLING* CLEAR 78 76 93 CALM 29.92F HX 81 TC 26
SAVANNA* PTCLDY 80 76 86 SW3 29.91F HX 85 TC 27
ILZ003-004-008-010-011-017-018-050600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 77 75 93 S3 29.93S TC 25
FREEPORT* CLEAR 76 74 95 CALM 29.95R TC 24
ILZ005-006-012>014-019>023-050600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 79 73 82 CALM 29.90F HX 82 TC 26
CHICAGO-MIDWAY MOCLDY 83 73 72 N3 29.91R HX 89 TC 28
AURORA CLEAR 76 75 97 CALM 29.91F TC 24
JOLIET* PTCLDY 80 78 95 CALM 29.91F HX 85 TC 27
WAUKEGAN PTCLDY 73 73 100 NE3 29.92S TC 23
DUPAGE AIRPORT PTCLDY 81 76 84 W3 29.92S HX 87 TC 27
WHEELING PTCLDY 75 74 96 CALM 29.93S TC 24
LANSING* PTCLDY 78 75 90 S3 29.91F HX 80 TC 26
NORTHERLY ISL* N/A 75 71 87 NW3 N/A TC 24
LMZ740>746-050600-
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 71 70 270/ 4/ 4 1010.7R 1/ 3
WAUKEGAN HARBOR 73 70 250/ 2/ 4 1013.8S 1/ 3
WILMETTE BUOY 72 330/ 4/ 6 1015.8F 1/ 3
CHICAGO BUOY 76 74 1011.9S 1
HARRISON CRIB 76 60/ 6/ 7 N/A
NORTHERLY ISL 77 360/ 6 N/A
CALUMET HARBOR 80 CALM / 1 1013.1
MICHIGAN CITY 83 140/ 5/ 6 1010.4F
MICH CITY BUOY 77 74 180/ 6/ 6 N/A 0
ST. JOSEPH BUOY 78 74 110/ 6/ 8 1013.3F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-050600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 79 71 76 S5 29.94R HX 82 TC 26
MACOMB* CLEAR 76 76 100 CALM 29.95S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-050600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 81 75 82 CALM 29.96S HX 87 TC 27
DECATUR CLEAR 79 74 84 CALM 29.95S HX 82 TC 26
PEORIA CLEAR 80 76 87 CALM 29.93S HX 86 TC 27
LINCOLN* CLEAR 79 79 100 CALM 29.94S HX 84 TC 26
SPRINGFIELD CLEAR 76 74 93 CALM 29.93F TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-050600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 76 74 93 CALM 29.95S TC 24
MATTOON CLEAR 81 71 71 SW5 29.94S HX 85 TC 27
ILZ079-100>102-050600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 76 73 90 CALM 29.94S TC 25
CAHOKIA* CLEAR 78 72 81 CALM 29.93S HX 80 TC 26
SPARTA* CLEAR 84 69 60 S5 29.96R HX 88 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-050600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* CLEAR 76 73 91 CALM 29.96F TC 25
MT. VERNON CLEAR 74 72 93 CALM 29.95S TC 23
CENTRALIA* CLEAR 76 71 84 CALM 29.95S TC 25
SALEM* CLEAR 79 73 81 MISG 29.95S HX 82 TC 26
ILZ067-068-072-073-078-083-087-091-050600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 80 75 84 CALM 29.94S HX 85 TC 27
FAIRFIELD* CLEAR 77 70 79 CALM 29.95S TC 25
HARRISBURG* CLEAR 77 74 91 CALM 29.95S TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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