488
ASUS43 KLOT 161012
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT TUE SEP 16 2025
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.
ILZ001-002-007-009-015-016-024-161100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 60 58 92 E3 30.17R TC 16
STERLING* PTCLDY 59 59 100 E6 30.20R TC 15
ILZ003-004-008-010-011-017-018-161100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 58 57 97 CALM 30.22R TC 14
ROCHELLE* PTCLDY 57 54 89 E3 30.21S TC 14
DE KALB* CLEAR 59 59 100 E5 30.22S FOG TC 15
PERU* CLEAR 60 58 94 NE5 30.19R FOG TC 16
ILZ005-006-012>014-019>023-161100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 64 61 90 CALM 30.19S TC 18
CHICAGO-MIDWAY CLEAR 68 56 65 CALM 30.20R TC 20
AURORA CLEAR 59 57 93 CALM 30.20R FOG TC 15
JOLIET* N/A 58 58 99 CALM 30.20S FOG TC 14
WAUKEGAN CLEAR 62 59 90 CALM 30.21R FOG TC 17
DUPAGE AIRPORT CLEAR 58 56 93 N3 30.20S FOG TC 14
KANKAKEE* CLEAR 55 55 100 NE3 30.20R TC 13
WHEELING CLEAR 62 60 93 CALM 30.22R TC 17
MORRIS* CLEAR 60 60 99 NE3 30.19S TC 16
ROMEOVILLE* CLEAR 64 61 88 CALM 30.21S TC 18
LANSING* CLEAR 57 57 100 CALM 30.20S TC 14
NORTHERLY ISL* N/A 67 54 63 S1 N/A TC 19
LMZ740>746-161100-
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)
S. MID LAKE BUOY 67 67 130/ 4/ 4 1023.3 1/ 3
WINTHROP HARBOR 71 70 150/ 8/ 10 N/A 1/ 3
WAUKEGAN HARBOR 70 69 N/A 1/ 3
WILMETTE BUOY 71 150/ 8/ 12 1024.6R 1/ 3
CHICAGO BUOY 71 65 140/ 8/ 8 1023.0 1/ 3
HARRISON CRIB 71 170/ 7/ 8 N/A
NORTHERLY ISL 67 190/ 2/ 7 N/A
CALUMET HARBOR 68 150/ 5/ 6 1021.5R
BURNS HARBOR 68 150/ 6/ 10 1022.7S
MICHIGAN CITY 65 130/ 9/ 11 1021.2R
MICH CITY BUOY 65 1021.0R
ST. JOSEPH BUOY 65 67 90/ 10/ 12 1023.3R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-161100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 66 59 78 E6 30.14R TC 19
GALESBURG* PTCLDY 65 58 75 E7 30.18R TC 19
MACOMB* PTCLDY 59 58 94 CALM 30.18S TC 15
JACKSONVILLE* CLEAR 58 58 98 CALM 30.15R TC 15
PITTSFIELD* PTCLDY 63 62 97 CALM 30.16R TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-161100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 57 55 91 E6 30.19R TC 14
BLOOMINGTON CLEAR 58 55 90 NE6 30.18S TC 14
DECATUR CLEAR 61 56 83 NE3 30.16R TC 16
PEORIA CLEAR 64 58 80 NE7 30.16S TC 18
LACON* CLEAR 59 56 89 CALM 30.17S TC 15
LINCOLN* CLEAR 60 58 91 CALM 30.16R TC 16
SPRINGFIELD CLEAR 59 56 89 CALM 30.14S TC 15
TAYLORVILLE CLEAR 57 54 88 MISG 30.15R TC 14
ILZ033-039-045-046-055>057-062-063-161100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 63 55 75 E6 30.16S TC 17
DANVILLE* CLEAR 63 55 75 NE6 30.18R TC 17
RANTOUL* CLEAR 62 54 73 NE6 30.17S TC 17
MATTOON CLEAR 61 56 83 N3 30.14R TC 16
ILZ079-100>102-161100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 63 61 94 MISG 30.13R TC 17
BELLEVILLE PTCLDY 69 64 86 NE3 30.09R TC 20
CAHOKIA* CLEAR 65 63 93 CALM 30.11R TC 18
SPARTA* CLEAR 70 66 88 CALM 30.12R TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-161100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 64 63 96 CALM 30.09R FOG TC 18
CAIRO* CLEAR 67 66 97 CALM 30.09S TC 19
EFFINGHAM* CLEAR 67 61 80 CALM 30.15R TC 20
MARION CLEAR 64 63 96 CALM 30.11R TC 18
MT. VERNON PTCLDY 66 64 93 CALM 30.11R TC 19
CENTRALIA* CLEAR 63 59 88 CALM 30.12R TC 17
SALEM* CLEAR 65 60 82 CALM 30.13R TC 19
METROPOLIS* MOCLDY 67 66 97 CALM 30.10R FOG TC 19
ILZ067-068-072-073-078-083-087-091-161100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 67 63 87 NE6 30.12R TC 19
FLORA* PTCLDY 66 64 94 N6 30.12R TC 19
FAIRFIELD* PTCLDY 66 62 87 CALM 30.11R TC 19
HARRISBURG* CLEAR 65 62 90 MISG 30.10R TC 18
ROBINSON* MOCLDY 64 61 88 N3 30.12R TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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