566
ASUS43 KLOT 050901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-051000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 75 73 93 CALM 29.91S TC 24
STERLING* PTCLDY 74 74 100 CALM 29.92F TC 23
SAVANNA* CLEAR 75 74 95 CALM 29.92S TC 24
ILZ003-004-008-010-011-017-018-051000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 74 73 97 NW5 29.92S TC 23
FREEPORT* PTCLDY 75 73 95 CALM 29.95S TC 24
ILZ005-006-012>014-019>023-051000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 76 74 93 N6 29.90R TC 24
CHICAGO-MIDWAY MOCLDY 80 74 81 CALM 29.90R HX 85 TC 27
AURORA PTCLDY 74 73 97 W5 29.91S TC 23
JOLIET* CLEAR 78 77 98 CALM 29.91S TC 25
WAUKEGAN PTCLDY 71 71 100 N6 29.91R TC 22
DUPAGE AIRPORT MOCLDY 77 74 90 CALM 29.91R TC 25
WHEELING MOCLDY 74 73 97 CALM 29.92R TC 23
LANSING* CLEAR 76 73 91 CALM 29.91S TC 25
NORTHERLY ISL* N/A 73 70 90 N3 N/A TC 23
LMZ740>746-051000-
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 70 70 310/ 6/ 8 1010.5S 1/ 3
WAUKEGAN HARBOR 71 70 330/ 6/ 10 1013.6R 1/ 3
WILMETTE BUOY 72 270/ 2/ 4 1015.1F 1
CHICAGO BUOY 75 74 1011.8R 1
HARRISON CRIB 74 10/ 5/ 7 N/A
NORTHERLY ISL 74 CALM / 4 N/A
CALUMET HARBOR 76 20/ 2/ 3 1012.7
MICHIGAN CITY 77 120/ 5/ 6 1010.9F
MICH CITY BUOY 75 74 80/ 4/ 6 N/A 1/ 3
ST. JOSEPH BUOY 75 75 140/ 10/ 12 1013.4R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-051000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 77 70 79 CALM 29.93F TC 25
MACOMB* CLEAR 71 71 100 CALM 29.95F TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-051000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 77 75 93 W5 29.95S TC 25
DECATUR CLEAR 77 73 87 W3 29.92F TC 25
PEORIA CLEAR 78 74 87 SW3 29.92F HX 81 TC 26
LINCOLN* CLEAR 74 74 100 CALM 29.92F TC 24
SPRINGFIELD CLEAR 75 71 87 SW5 29.93S TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-051000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 73 72 96 NW3 29.93R TC 23
MATTOON CLEAR 80 69 69 SW5 29.92F HX 83 TC 27
ILZ079-100>102-051000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 75 73 93 CALM 29.93S TC 24
CAHOKIA* CLEAR 76 72 87 CALM 29.92F TC 24
SPARTA* CLEAR 77 71 82 CALM 29.94F TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-051000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* CLEAR 74 72 91 CALM 29.94F TC 24
MT. VERNON CLEAR 73 72 96 CALM 29.93F TC 23
CENTRALIA* CLEAR 75 71 87 CALM 29.94S TC 24
SALEM* CLEAR 76 72 86 MISG 29.93F TC 25
ILZ067-068-072-073-078-083-087-091-051000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 79 72 79 NW3 29.91F HX 82 TC 26
FAIRFIELD* CLEAR 74 70 87 CALM 29.93S TC 24
HARRISBURG* CLEAR 73 73 99 CALM 29.93F TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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