025
ASUS43 KLOT 050701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-050800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 76 74 93 CALM 29.92S TC 24
STERLING* CLEAR 76 76 100 CALM 29.93S TC 24
SAVANNA* MOCLDY 77 74 92 CALM 29.92F TC 25
ILZ003-004-008-010-011-017-018-050800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 76 75 97 CALM 29.93F TC 24
FREEPORT* CLOUDY 76 74 96 CALM 29.95F TC 24
ILZ005-006-012>014-019>023-050800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 77 73 87 CALM 29.90F TC 25
CHICAGO-MIDWAY PTCLDY 82 73 74 CALM 29.89F HX 87 TC 28
AURORA CLEAR 74 74 100 NW3 29.91F TC 23
JOLIET* CLEAR 80 78 93 CALM 29.91F HX 88 TC 27
WAUKEGAN PTCLDY 72 72 100 CALM 29.91F TC 22
DUPAGE AIRPORT CLEAR 76 73 91 CALM 29.92S TC 24
WHEELING PTCLDY 75 74 96 CALM 29.91F TC 24
LANSING* CLEAR 78 74 85 CALM 29.91S HX 81 TC 26
NORTHERLY ISL* N/A 74 71 91 CALM N/A TC 23
LMZ740>746-050800-
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 70 290/ 6/ 8 1009.9F 1/ 3
WAUKEGAN HARBOR 71 70 290/ 2/ 4 1013.5F 1/ 3
WILMETTE BUOY 72 300/ 6/ 6 1015.5F 1
CHICAGO BUOY 76 73 1011.5F 1
HARRISON CRIB 77 220/ 3/ 3 N/A
NORTHERLY ISL 74 CALM / 4 N/A
CALUMET HARBOR 77 360/ 4/ 7 1012.7
MICHIGAN CITY 76 80/ 2/ 2 1010.5F
MICH CITY BUOY 75 74 130/ 2/ 4 N/A 1
ST. JOSEPH BUOY 75 75 60/ 6/ 8 1013.5R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-050800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 79 70 74 S5 29.94S HX 82 TC 26
MACOMB* PTCLDY 73 73 100 CALM 29.96F TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-050800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 79 75 87 CALM 29.96F HX 83 TC 26
DECATUR PTCLDY 78 73 84 SW5 29.94S HX 81 TC 26
PEORIA CLEAR 79 75 87 SW3 29.93F HX 83 TC 26
LINCOLN* CLEAR 76 76 100 CALM 29.94F TC 25
SPRINGFIELD CLEAR 76 73 91 CALM 29.93S TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-050800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 75 74 96 W5 29.94S TC 24
MATTOON CLEAR 78 70 76 W3 29.93S HX 80 TC 26
ILZ079-100>102-050800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 75 72 89 CALM 29.94F TC 24
CAHOKIA* PTCLDY 77 73 87 CALM 29.93S TC 25
SPARTA* MOCLDY 78 71 77 CALM 29.95F HX 81 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-050800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* CLEAR 75 73 91 CALM 29.95F TC 24
MT. VERNON CLEAR 73 72 96 CALM 29.94F TC 23
CENTRALIA* CLEAR 76 72 88 CALM 29.94F TC 24
SALEM* CLEAR 76 72 86 MISG 29.94S TC 25
ILZ067-068-072-073-078-083-087-091-050800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 78 74 87 CALM 29.92F HX 81 TC 26
FAIRFIELD* CLEAR 76 71 83 CALM 29.93F TC 25
HARRISBURG* CLEAR 75 74 95 CALM 29.94F TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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