752
ASUS43 KLOT 200606
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT MON OCT 20 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.
ILZ001-002-007-009-015-016-024-200700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 43 34 70 CALM 29.97S TC 6
6HR MIN TEMP: 43; 6HR MAX TEMP: 54;
STERLING* CLEAR 41 36 82 SW3 29.98R TC 5
ILZ003-004-008-010-011-017-018-200700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 38 35 89 SE5 29.97R WCI 34 TC 3
6HR MIN TEMP: 38; 6HR MAX TEMP: 53;
ROCHELLE* CLEAR 34 32 93 S6 29.97S WCI 29 TC 1
DE KALB* CLEAR 43 34 69 W7 29.97R TC 6
PERU* CLEAR 44 36 72 SW6 29.98S TC 7
ILZ005-006-012>014-019>023-200700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 46 33 60 W8 29.94R TC 8
6HR MIN TEMP: 46; 6HR MAX TEMP: 55;
CHICAGO-MIDWAY CLEAR 47 33 58 W6 29.95R TC 8
6HR MIN TEMP: 47; 6HR MAX TEMP: 55;
AURORA CLEAR 36 33 89 W5 29.96R WCI 32 TC 2
6HR MIN TEMP: 36; 6HR MAX TEMP: 51;
JOLIET* CLEAR 43 36 76 CALM 29.97S TC 6
WAUKEGAN CLEAR 43 35 73 W3 29.93R TC 6
6HR MIN TEMP: 41; 6HR MAX TEMP: 52;
DUPAGE AIRPORT CLEAR 44 33 65 W6 29.95R TC 7
6HR MIN TEMP: 44; 6HR MAX TEMP: 53;
KANKAKEE* CLEAR 41 36 81 W7 29.99S TC 5
WHEELING CLEAR 46 33 60 W3 29.96R TC 8
6HR MIN TEMP: 46; 6HR MAX TEMP: 55;
MORRIS* CLEAR 42 37 81 W8 29.96S TC 6
ROMEOVILLE* CLEAR 43 36 75 W5 29.97R TC 6
LANSING* CLEAR 42 32 69 W5 29.96S TC 5
NORTHERLY ISL* N/A 50 35 56 W8 N/A TC 10
LMZ740>746-200700-
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 310/ 19/ 23 N/A
WINTHROP HARBOR 49 57 N/A 2/ 7
WAUKEGAN HARBOR 49 56 N/A 2/ 7
WILMETTE BUOY 53 310/ 16/ 19 1013.6R 3/ 6
CHICAGO BUOY 54 280/ 16/ 17 N/A 3/ 7
HARRISON CRIB 52 280/ 14/ 16 N/A
NORTHERLY ISL 50 270/ 6/ 8 N/A
CALUMET HARBOR 48 240/ 4/ 5 1013.0
BURNS HARBOR 56 290/ 9/ 11 1014.2R
MICHIGAN CITY 56 280/ 18/ 20 1012.4R
ST. JOSEPH BUOY 57 57 280/ 23/ 29 1013.8R 6/ 6
ILZ025>027-034>036-040-047-049-050-058-095>099-200700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 42 35 76 S6 30.01F TC 6
GALESBURG* CLEAR 43 34 72 S3 30.00S TC 6
MACOMB* CLEAR 42 35 75 CALM 30.03S TC 5
JACKSONVILLE* CLEAR 45 35 67 SW7 30.03S TC 7
PITTSFIELD* CLEAR 43 37 79 CALM 30.04F TC 6
ILZ028>032-037-038-041>044-048-051>054-059>061-200700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 42 35 77 W5 29.99S TC 5
BLOOMINGTON CLEAR 45 35 68 SW8 30.01S TC 7
DECATUR CLEAR 47 35 63 SW6 30.03R TC 8
PEORIA CLEAR 46 35 65 SW6 30.00S TC 8
6HR MIN TEMP: 46; 6HR MAX TEMP: 54;
LACON* CLEAR 47 34 61 W5 29.99S TC 8
LINCOLN* CLEAR 45 36 70 CALM 30.02S TC 7
SPRINGFIELD CLEAR 39 36 89 CALM 30.03S TC 4
6HR MIN TEMP: 38; 6HR MAX TEMP: 52;
TAYLORVILLE CLEAR 45 36 70 MISG 30.05R TC 7
ILZ033-039-045-046-055>057-062-063-200700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 41 35 79 W7 30.01S TC 5
DANVILLE* CLEAR 44 37 74 SW6 30.02R TC 7
RANTOUL* CLEAR 45 36 70 W5 30.00S TC 7
MATTOON CLEAR 47 37 68 SW6 30.03R TC 8
PARIS* CLEAR 44 36 73 CALM 30.03R TC 7
ILZ079-100>102-200700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 44 38 82 MISG 30.07S TC 6
BELLEVILLE CLEAR 45 41 86 CALM 30.06R TC 7
CAHOKIA* CLEAR 42 40 92 CALM 30.07S TC 6
SPARTA* CLEAR 52 36 55 SW3 30.09S TC 11
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 43 39 86 CALM 30.10R TC 6
6HR MIN TEMP: 43; 6HR MAX TEMP: 57;
CAIRO* CLEAR 44 43 97 CALM 30.12S TC 7
EFFINGHAM* CLEAR 42 39 89 SW3 30.07R TC 6
MARION CLEAR 45 39 81 SW3 30.11R TC 7
MT. VERNON CLEAR 41 41 100 CALM 30.09R TC 5
CENTRALIA* CLEAR 46 38 73 SW6 30.07S TC 8
SALEM* CLEAR 46 38 74 SW5 30.07R TC 8
METROPOLIS* CLEAR 42 42 97 CALM 30.12S TC 6
ILZ067-068-072-073-078-083-087-091-200700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 47 37 68 W5 30.06R TC 8
FLORA* CLEAR 46 39 76 W6 30.07S TC 8
FAIRFIELD* CLEAR 40 39 95 CALM 30.08S TC 5
HARRISBURG* CLEAR 41 40 95 MISG 30.10S TC 5
ROBINSON* CLEAR 46 39 76 W3 30.05R TC 8
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page