822
ASUS43 KLOT 040910
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-041000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 78 71 79 CALM 29.88S HX 80 TC 26
STERLING* CLEAR 77 73 87 CALM 29.92R TC 25
SAVANNA* CLEAR 74 72 93 CALM 29.89R TC 23
ILZ003-004-008-010-011-017-018-041000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 75 72 90 SE3 29.93R TC 24
FREEPORT* CLEAR 76 74 95 S3 29.93R TC 24
ROCHELLE* CLOUDY 73 71 94 SE3 29.93R TC 23
DE KALB* PTCLDY 72 72 100 S6 29.94S TC 22
PERU* CLEAR 75 72 88 S5 29.92R TC 24
ILZ005-006-012>014-019>023-041000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 79 73 82 S6 29.91S HX 82 TC 26
CHICAGO-MIDWAY PTCLDY 81 72 74 SW3 29.92R HX 85 TC 27
AURORA PTCLDY 72 71 97 CALM 29.93R TC 22
JOLIET* CLEAR 75 75 99 CALM 29.93R TC 24
WAUKEGAN PTCLDY 74 72 93 W5 29.89F TC 23
DUPAGE AIRPORT MOCLDY 77 74 90 S3 29.93R TC 25
KANKAKEE* CLEAR 76 73 89 S3 29.95R TC 25
WHEELING MOCLDY 76 73 91 S7 29.90F TC 24
ROMEOVILLE* CLEAR 77 75 94 CALM 29.94R TC 25
LANSING* CLEAR 75 71 88 SW3 29.94R TC 24
NORTHERLY ISL* N/A 81 70 69 SW5 N/A HX 84 TC 27
LMZ740>746-041000-
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 74 290/ 2/ 6 1015.6 1
WAUKEGAN HARBOR 73 70 160/ 2/ 4 1013.2 1
WILMETTE BUOY 74 190/ 6/ 8 1015.1F 1
NORTHERLY ISL 81 220/ 3/ 6 N/A
CALUMET HARBOR 79 200/ 5/ 6 1013.2
MICH CITY BUOY 78 74 190/ 10/ 12 N/A 1
ST. JOSEPH BUOY 77 74 180/ 8/ 10 1013.6F 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-041000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 76 70 82 S8 29.92S TC 24
GALESBURG* CLEAR 75 71 88 S3 29.92S TC 24
MACOMB* CLEAR 76 73 91 S6 29.93S TC 24
JACKSONVILLE* CLEAR 79 71 75 S6 29.93S HX 82 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-041000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 73 72 98 CALM 29.94R TC 23
BLOOMINGTON CLEAR 75 71 87 S7 29.96S TC 24
DECATUR CLEAR 78 70 76 SW7 29.95F HX 80 TC 26
PEORIA CLEAR 77 70 79 S3 29.92S TC 25
LACON* CLEAR 77 68 73 SE3 29.91R TC 25
LINCOLN* PTCLDY 76 72 87 S3 29.94S TC 24
SPRINGFIELD CLEAR 80 70 71 S6 29.93S HX 83 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-041000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 74 71 91 S5 29.96S TC 23
RANTOUL* CLEAR 73 72 96 CALM 29.96S TC 23
MATTOON CLEAR 77 71 82 S6 29.96S TC 25
PARIS* CLEAR 72 71 98 S3 29.97S TC 22
ILZ079-100>102-041000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 79 71 76 S5 29.95S HX 81 TC 26
BELLEVILLE CLEAR 76 76 98 CALM 29.93S TC 25
CAHOKIA* CLEAR 76 71 85 S3 29.94R TC 24
SPARTA* CLEAR 79 72 77 S5 29.98R HX 82 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-041000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 76 76 100 CALM 29.96S TC 25
EFFINGHAM* CLEAR 74 72 91 CALM 29.98S TC 24
MARION CLEAR 77 73 88 S1 29.97R TC 25
MT. VERNON CLEAR 71 71 100 CALM 29.97R TC 22
CENTRALIA* CLEAR 76 71 86 MISG 29.97R TC 24
SALEM* CLEAR 76 72 87 MISG 29.97R TC 24
METROPOLIS* CLEAR 74 74 98 CALM 29.97S TC 24
ILZ067-068-072-073-078-083-087-091-041000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 75 72 90 CALM 29.97S TC 24
FLORA* CLEAR 73 72 94 CALM 29.98R TC 23
FAIRFIELD* CLEAR 74 70 87 CALM 29.97R TC 23
HARRISBURG* CLEAR 74 73 95 CALM 29.97S TC 23
ROBINSON* CLEAR 70 70 100 SE2 29.96S TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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