Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 121410
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CDT SUN OCT 12 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-121500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 54 47 77 E5 29.97F TC 12
STERLING* MOSUNNY 53 52 96 E9 30.02F TC 12
$$
ILZ003-004-008-010-011-017-018-121500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 53 47 79 SE7 30.05R TC 12
ROCHELLE* MOSUNNY 52 47 83 SE7 30.04S TC 11
DE KALB* SUNNY 52 49 89 SE9 30.05S TC 11
PERU* SUNNY 53 48 83 SE6 30.03S TC 12
$$
ILZ005-006-012>014-019>023-121500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 55 47 74 SE7 30.05S TC 13
CHICAGO-MIDWAY MOSUNNY 55 47 74 SE9 30.06R TC 13
AURORA SUNNY 54 48 80 SE8 30.04S TC 12
JOLIET* SUNNY 55 49 81 SE6 30.06S TC 13
WAUKEGAN MOSUNNY 58 51 78 S3 30.05S TC 14
DUPAGE AIRPORT SUNNY 55 47 74 SE9 30.04S TC 13
KANKAKEE* SUNNY 52 46 82 E6 30.07R TC 11
WHEELING SUNNY 56 50 80 CALM 30.07S TC 13
MORRIS* SUNNY 52 49 89 SE6 30.04S TC 11
ROMEOVILLE* SUNNY 52 48 87 SE7 30.06R TC 11
LANSING* SUNNY 52 45 75 SE5 30.07R TC 11
NORTHERLY ISL* N/A 59 48 67 SE7 N/A TC 15
$$
LMZ740>746-121500-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 59 66 150/ 12/ 14 1018.5R 2/ 4
WINTHROP HARBOR 60 62 N/A 2/ 4
WAUKEGAN HARBOR 60 63 N/A 2/ 4
WILMETTE BUOY 59 150/ 10/ 16 1019.0R 2/ 4
CHICAGO BUOY 59 33 150/ 10/ 14 1018.7 2/ 3
HARRISON CRIB 58 150/ 11/ 14 N/A
NORTHERLY ISL 58 120/ 4/ 8 N/A
CALUMET HARBOR 55 150/ 3/ 5 1016.9R
BURNS HARBOR 55 150/ 5/ 8 1018.6R
MICHIGAN CITY 53 120/ 10/ 12 1017.3R
ST. JOSEPH BUOY 52 57 90/ 14/ 16 1019.0R 1
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-121500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 56 49 77 SE13 29.95S TC 13
GALESBURG* SUNNY 54 47 77 SE8 29.99F TC 12
MACOMB* SUNNY 54 49 82 SE8 30.00S TC 12
JACKSONVILLE* SUNNY 55 47 74 SE5 29.99R TC 13
PITTSFIELD* SUNNY 56 51 81 SE8 29.99S TC 14
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-121500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 52 48 87 E13 30.03S TC 11
BLOOMINGTON SUNNY 55 49 80 SE9 30.03R TC 13
DECATUR SUNNY 53 47 79 E8 30.02S TC 12
PEORIA SUNNY 55 46 71 SE5 30.00S TC 13
LACON* SUNNY 51 45 79 CALM 30.02R TC 11
LINCOLN* SUNNY 56 48 73 SE6 30.01S TC 14
SPRINGFIELD SUNNY 56 47 71 SE8 30.00S TC 13
TAYLORVILLE SUNNY 57 46 67 MISG 30.01R TC 14
$$
ILZ033-039-045-046-055>057-062-063-121500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 54 47 77 E10 30.02S TC 12
DANVILLE* SUNNY 54 48 79 E5 30.05S TC 12
RANTOUL* SUNNY 54 46 76 E5 30.03S TC 12
MATTOON SUNNY 54 45 71 E5 30.01R TC 12
PARIS* SUNNY 54 46 73 E6 30.03S TC 12
$$
ILZ079-100>102-121500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 59 52 77 E6 30.00R TC 15
BELLEVILLE SUNNY 60 55 85 E3 29.98R TC 16
SPARTA* SUNNY 63 57 82 SE3 30.00S TC 17
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 56 55 97 CALM 29.99R TC 13
CAIRO* SUNNY 61 60 94 CALM 29.99S TC 16
EFFINGHAM* SUNNY 58 48 70 E5 30.03R TC 14
MARION SUNNY 57 55 94 SE3 29.99S TC 14
MT. VERNON SUNNY 60 54 80 VRB3 30.01R TC 16
CENTRALIA* SUNNY 61 53 74 E3 30.00R TC 16
SALEM* SUNNY 60 50 69 SE3 30.00R TC 16
METROPOLIS* SUNNY 58 57 96 CALM 29.99S TC 15
$$
ILZ067-068-072-073-078-083-087-091-121500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 57 48 72 E5 30.01S TC 14
FLORA* SUNNY 57 52 82 E5 30.01S TC 14
FAIRFIELD* SUNNY 59 52 76 E3 30.00S TC 15
HARRISBURG* SUNNY 60 56 87 MISG 30.00S TC 15
ROBINSON* SUNNY 54 52 94 NE2 30.02R TC 12
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$