536
ASUS43 KLOT 100412
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT WED SEP 09 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.
ILZ001-002-007-009-015-016-024-100500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 70 69 97 W3 30.02S TC 21
STERLING* MOCLDY 69 69 100 SW3 30.03S TC 21
SAVANNA* PTCLDY 69 66 91 E3 30.02S TC 20
ILZ003-004-008-010-011-017-018-100500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 69 68 96 S3 30.02S TC 21
FREEPORT* PTCLDY 69 68 95 SW7 30.04S TC 21
ROCHELLE* PTCLDY 66 64 94 W5 30.03F FOG TC 19
DE KALB* PTCLDY 69 69 100 W7 30.03F TC 21
PERU* PTCLDY 70 70 100 SW5 30.02F TC 21
ILZ005-006-012>014-019>023-100500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 72 69 90 SW7 30.00S TC 22
CHICAGO-MIDWAY MOCLDY 72 69 90 W7 30.00F TC 22
AURORA PTCLDY 68 68 100 W3 30.02S TC 20
JOLIET* PTCLDY 72 71 96 CALM 30.02S TC 22
WAUKEGAN PTCLDY 69 68 96 W5 29.98F TC 21
DUPAGE AIRPORT PTCLDY 70 68 93 W6 30.02S TC 21
KANKAKEE* PTCLDY 68 67 95 W6 30.04R TC 20
WHEELING PTCLDY 72 69 90 SW6 30.01S TC 22
ROMEOVILLE* PTCLDY 72 72 100 W6 30.02F TC 22
LANSING* PTCLDY 69 68 94 W5 30.01F TC 21
NORTHERLY ISL* N/A 74 68 81 W9 N/A TC 23
LMZ740>746-100500-
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 65 250/ 8/ 10 1013.0 0
WAUKEGAN HARBOR 69 62 220/ 8/ 10 1015.8 0
WILMETTE BUOY 72 240/ 6/ 6 1018.5R 0
CHICAGO BUOY 75 72 1014.7 1
HARRISON CRIB 75 260/ 13/ 14 N/A
NORTHERLY ISL 74 270/ 5/ 9 N/A
CALUMET HARBOR 73 230/ 4/ 6 1016.1F
MICHIGAN CITY 72 230/ 11/ 12 1014.4R
MICH CITY BUOY 71 70 250/ 8/ 12 N/A 1/ 3
ST. JOSEPH BUOY 72 71 240/ 10/ 12 1016.2F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-100500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 69 68 96 CALM 30.05F TC 21
GALESBURG* CLOUDY 68 68 100 CALM 30.05F TC 20
MACOMB* CLOUDY 67 67 100 SW5 30.06F TC 20
JACKSONVILLE* PTCLDY 67 67 100 CALM 30.05S TC 20
PITTSFIELD* CLOUDY 71 70 98 CALM 30.06F TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-100500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 68 68 100 W5 30.04S TC 20
BLOOMINGTON PTCLDY 70 68 93 W6 30.06S TC 21
DECATUR PTCLDY 70 64 81 CALM 30.05S TC 21
PEORIA MOCLDY 70 68 93 CALM 30.04F TC 21
LACON* PTCLDY 68 66 92 CALM 30.03S TC 20
LINCOLN* PTCLDY 70 70 100 CALM 30.04F TC 21
SPRINGFIELD PTCLDY 68 65 90 S3 30.05S TC 20
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-100500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 66 64 93 S3 30.05R TC 19
RANTOUL* PTCLDY 68 66 95 NW6 30.04S TC 20
MATTOON MOCLDY 72 66 81 NW3 30.04S TC 22
PARIS* PTCLDY 69 67 92 CALM 30.04S TC 21
ILZ079-100>102-100500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 75 67 75 CALM 30.04F TC 24
CAHOKIA* PTCLDY 79 66 64 NE5 30.02S HX 81 TC 26
SPARTA* CLOUDY 80 72 76 S3 30.02F HX 84 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-100500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 81 73 78 SW5 30.01 HX 85 TC 27
CAIRO* PTCLDY 81 76 85 SE6 30.04F HX 86 TC 27
EFFINGHAM* CLOUDY 76 64 67 CALM 30.06S TC 24
MARION MOCLDY 79 73 83 SW6 30.03S HX 82 TC 26
MT. VERNON PTCLDY 79 71 76 N6 30.04R HX 82 TC 26
CENTRALIA* MOCLDY 76 68 77 CALM 30.04F TC 24
SALEM* MOCLDY 76 69 79 MISG 30.04F TC 24
METROPOLIS* MOCLDY 78 71 78 S3 30.05S HX 80 TC 26
ILZ067-068-072-073-078-083-087-091-100500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 77 69 76 CALM 30.03R TC 25
FLORA* PTCLDY 75 68 78 NW3 30.04S TC 24
FAIRFIELD* MOCLDY 78 69 73 CALM 30.04R HX 81 TC 26
HARRISBURG* CLEAR 75 73 93 CALM 30.04R TC 24
ROBINSON* MOCLDY 72 70 94 W3 30.03R TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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