986
ASUS43 KLOT 041101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT FRI SEP 04 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.
ILZ001-002-007-009-015-016-024-041200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 76 70 82 CALM 29.90R TC 24
STERLING* CLEAR 72 71 97 CALM 29.91F TC 22
SAVANNA* CLEAR 73 71 92 SE3 29.90S TC 23
ILZ003-004-008-010-011-017-018-041200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 74 71 91 SW6 29.91S TC 23
FREEPORT* CLEAR 78 76 95 SW8 29.92F HX 80 TC 26
ILZ005-006-012>014-019>023-041200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 78 70 76 CALM 29.90R HX 80 TC 26
CHICAGO-MIDWAY PTCLDY 79 71 76 S3 29.90R HX 82 TC 26
AURORA CLEAR 75 71 87 SW8 29.90F TC 24
JOLIET* CLEAR 75 73 95 SW3 29.91F TC 24
WAUKEGAN MOCLDY 70 69 97 NE16G28 29.92R TC 21
DUPAGE AIRPORT CLEAR 78 71 79 SW8 29.91R HX 80 TC 26
WHEELING PTCLDY 74 73 97 CALM 29.91R TC 23
LANSING* CLEAR 74 71 89 SW5 29.91S TC 23
NORTHERLY ISL* N/A 81 68 64 S6 N/A HX 84 TC 27
LMZ740>746-041200-
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 73 74 340/ 16/ 21 1014.5R 1/ 3
WAUKEGAN HARBOR 73 72 330/ 16/ 25 1013.9R 1
WILMETTE BUOY 74 190/ 2/ 4 1015.3S 1
NORTHERLY ISL 81 230/ 3/ 7 N/A
CALUMET HARBOR 80 210/ 7/ 9 1012.6
MICH CITY BUOY 78 74 210/ 6/ 8 N/A 1/ 3
ST. JOSEPH BUOY 77 74 210/ 6/ 8 1013.8R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-041200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 76 69 79 S8 29.94R TC 24
MACOMB* CLEAR 73 73 97 SW5 29.96S TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-041200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 74 72 93 S8 29.97S TC 23
DECATUR CLEAR 76 70 82 SW5 29.97R TC 24
PEORIA CLEAR 76 71 85 SW3 29.94R TC 24
LINCOLN* PTCLDY 76 72 88 CALM 29.95S TC 24
SPRINGFIELD CLEAR 77 70 79 CALM 29.95R TC 25
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-041200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 73 71 93 S5 29.97S TC 23
MATTOON CLEAR 78 71 79 S5 29.97S HX 80 TC 26
ILZ079-100>102-041200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 74 70 89 CALM 29.97S TC 23
CAHOKIA* CLEAR 74 71 91 CALM 29.96R TC 23
SPARTA* CLEAR 74 73 96 CALM 29.99R TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-041200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 73 73 100 CALM 29.98 TC 23
EFFINGHAM* CLEAR 72 70 94 CALM 30.00R TC 22
MT. VERNON CLEAR 71 70 96 CALM 29.98S TC 22
CENTRALIA* CLEAR 74 71 90 MISG 29.98S TC 23
SALEM* CLEAR 79 73 82 MISG 29.98R HX 82 TC 26
ILZ067-068-072-073-078-083-087-091-041200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 75 72 90 CALM 29.98R TC 24
FAIRFIELD* CLEAR 73 70 90 CALM 29.98S TC 23
HARRISBURG* CLEAR 72 72 98 CALM 29.98S TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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