539
ASUS43 KLOT 071006
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT MON SEP 07 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.
ILZ001-002-007-009-015-016-024-071100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 61 58 90 E8 30.11F TC 16
STERLING* PTCLDY 59 59 100 E3 30.15R TC 15
SAVANNA* PTCLDY 60 57 91 CALM 30.14S TC 16
ILZ003-004-008-010-011-017-018-071100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 62 60 93 CALM 30.17R TC 17
FREEPORT* CLEAR 55 54 95 E3 30.17S TC 13
ROCHELLE* CLEAR 60 58 94 E5 30.15F TC 16
DE KALB* CLEAR 58 58 100 E5 30.16F TC 15
PERU* PTCLDY 63 61 94 E6 30.14S TC 17
ILZ005-006-012>014-019>023-071100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 65 61 87 CALM 30.14S TC 18
CHICAGO-MIDWAY MOCLDY 68 61 78 E6 30.14F TC 20
AURORA CLEAR 60 59 96 NE5 30.14F TC 16
JOLIET* CLEAR 64 63 99 E6 30.15S TC 18
WAUKEGAN PTCLDY 60 60 100 CALM 30.15S TC 16
DUPAGE AIRPORT CLEAR 60 59 96 CALM 30.15S TC 16
KANKAKEE* PTCLDY 58 57 95 NE3 30.15F TC 15
WHEELING CLEAR 63 62 97 CALM 30.17S TC 17
ROMEOVILLE* CLEAR 64 63 94 E7 30.15F TC 18
LANSING* PTCLDY 61 56 84 SE3 30.16S TC 16
NORTHERLY ISL* N/A 69 61 75 E12 N/A TC 21
LMZ740>746-071100-
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 72 90/ 10/ 14 1020.1 2/ 3
WAUKEGAN HARBOR 73 72 100/ 12/ 16 1020.7R 2/ 4
WILMETTE BUOY 72 130/ 12/ 16 1023.6F 2/ 4
CHICAGO BUOY 72 73 1019.9 2/ 4
HARRISON CRIB 71 120/ 15/ 16 N/A
NORTHERLY ISL 70 110/ 9/ 13 N/A
CALUMET HARBOR 70 90/ 6/ 10 1021.0
MICHIGAN CITY 63 130/ 8/ 9 1020.2R
MICH CITY BUOY 65 70 130/ 6/ 8 N/A 1/ 4
ST. JOSEPH BUOY 62 63 120/ 8/ 10 1021.8F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-071100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 67 58 72 E6 30.08S TC 19
GALESBURG* PTCLDY 63 61 93 E5 30.12F TC 17
MACOMB* PTCLDY 62 62 100 CALM 30.13R TC 17
JACKSONVILLE* PTCLDY 58 58 99 E5 30.10S TC 15
PITTSFIELD* PTCLDY 65 58 76 CALM 30.11R TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-071100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 59 59 100 E3 30.14R TC 15
BLOOMINGTON PTCLDY 59 59 100 E5 30.14S TC 15
DECATUR PTCLDY 58 56 93 E3 30.11R TC 14
PEORIA PTCLDY 62 60 93 E3 30.12R TC 17
LACON* PTCLDY 60 58 91 E3 30.13R TC 16
LINCOLN* PTCLDY 60 60 100 NE5 30.12R TC 16
SPRINGFIELD PTCLDY 59 57 93 NE5 30.10S TC 15
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-071100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 61 58 90 NE8 30.12R TC 16
RANTOUL* CLEAR 60 57 89 NE5 30.13R TC 16
MATTOON PTCLDY 59 57 93 CALM 30.10R TC 15
PARIS* PTCLDY 59 58 95 CALM 30.12R TC 15
ILZ079-100>102-071100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY N/A N/A N/A NE3 30.08R
CAHOKIA* CLEAR 66 58 75 NE3 30.07R TC 19
SPARTA* PTCLDY 64 58 82 CALM 30.07R TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-071100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 71 66 85 CALM 30.02R TC 22
EFFINGHAM* PTCLDY 62 59 91 CALM 30.10S TC 17
MARION PTCLDY 66 59 77 N6 30.05R TC 19
MT. VERNON MOCLDY 64 58 80 NE5 30.07R TC 18
CENTRALIA* PTCLDY 62 57 84 E5 30.07S TC 17
SALEM* PTCLDY 65 60 81 MISG 30.07S TC 19
METROPOLIS* PTCLDY 68 60 76 CALM 30.02R TC 20
ILZ067-068-072-073-078-083-087-091-071100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 61 58 90 NE6 30.08R TC 16
FLORA* MOCLDY 63 59 88 CALM 30.08R TC 17
FAIRFIELD* PTCLDY 62 57 84 CALM 30.07R TC 17
HARRISBURG* PTCLDY 65 60 84 NE5 30.05R TC 19
ROBINSON* PTCLDY 61 61 100 N6 30.08R TC 16
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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