300
ASUS43 KLOT 211110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT TUE OCT 21 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.
ILZ001-002-007-009-015-016-024-211200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 47 38 71 W9 29.79R TC 8
STERLING* CLEAR 44 43 96 SW10 29.78R TC 7
ILZ003-004-008-010-011-017-018-211200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 42 40 92 S7 29.75S TC 6
ROCHELLE* CLEAR 41 39 94 SW7 29.75F TC 5
DE KALB* CLEAR 43 42 95 SW8 29.75F TC 6
PERU* CLEAR 47 43 85 SW10 29.78F TC 8
ILZ005-006-012>014-019>023-211200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 48 43 82 SW9 29.74S TC 9
CHICAGO-MIDWAY CLEAR 48 45 89 SW9 29.76S TC 9
AURORA CLEAR 44 43 96 SW9 29.76S TC 7
JOLIET* CLEAR 48 45 88 SW5 29.78F TC 9
WAUKEGAN CLEAR 43 42 97 SW9 29.71S TC 6
DUPAGE AIRPORT CLEAR 46 42 86 SW10 29.75S TC 8
KANKAKEE* CLEAR 45 43 93 SW10 29.82S TC 7
WHEELING CLEAR 47 43 86 SW7 29.75S TC 8
MORRIS* CLEAR 44 43 97 SW6 29.78S TC 7
ROMEOVILLE* CLEAR 46 45 93 SW12 29.78S TC 8
LANSING* CLEAR 45 41 87 SW8 29.79S TC 7
NORTHERLY ISL* N/A 48 43 82 S5 N/A TC 9
LMZ740>746-211200-
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 54 62 270/ 21/ 27 1005.9R 6/ 6
WINTHROP HARBOR 50 56 N/A 1/ 4
WAUKEGAN HARBOR 50 56 N/A 1
WILMETTE BUOY 52 270/ 16/ 19 1007.2F 1/ 2
CHICAGO BUOY 52 220/ 16/ 19 N/A 1
HARRISON CRIB 53 250/ 15/ 20 N/A
NORTHERLY ISL 50 230/ 4/ 9 N/A
CALUMET HARBOR 49 210/ 7/ 9 1007.1S
BURNS HARBOR 50 210/ 6/ 9 1008.8S
MICHIGAN CITY 52 210/ 15/ 17 1007.3R
ST. JOSEPH BUOY 55 58 240/ 21/ 29 1008.2R 7/ 6
ILZ025>027-034>036-040-047-049-050-058-095>099-211200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 45 41 86 SW9 29.89S TC 7
GALESBURG* PTCLDY 44 37 77 SW6 29.84R TC 7
MACOMB* CLEAR 46 39 78 W10 29.88R TC 8
JACKSONVILLE* CLEAR 47 40 76 SW9 29.89F TC 9
PITTSFIELD* CLEAR 48 42 79 SW7 29.92R TC 9
ILZ028>032-037-038-041>044-048-051>054-059>061-211200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 47 42 82 SW10 29.82S TC 9
BLOOMINGTON CLEAR 44 42 93 SW8 29.85F TC 7
DECATUR CLEAR 48 41 76 SW8 29.88S TC 9
PEORIA CLEAR 45 41 86 SW8 29.84S TC 7
LACON* CLEAR 45 40 84 SW6 29.81S TC 7
LINCOLN* CLEAR 46 42 84 SW3 29.87F TC 8
SPRINGFIELD CLEAR 43 39 86 SW5 29.88F TC 6
TAYLORVILLE CLEAR 46 41 81 MISG 29.90S TC 8
ILZ033-039-045-046-055>057-062-063-211200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 44 41 89 SW8 29.86F TC 7
DANVILLE* CLEAR 46 43 88 W5 29.85F TC 8
RANTOUL* CLEAR 46 43 87 SW8 29.85F TC 8
MATTOON CLEAR 50 43 77 SW7 29.88S TC 10
PARIS* CLEAR 44 42 91 CALM 29.88S TC 7
ILZ079-100>102-211200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 51 44 79 MISG 29.95S TC 10
BELLEVILLE CLEAR 46 43 87 W6 29.94R TC 8
CAHOKIA* CLEAR 52 44 74 SW3 29.96R TC 11
SPARTA* CLEAR 55 44 67 W3 29.99R TC 13
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 54 45 71 W3 29.97R TC 12
CAIRO* CLEAR 53 49 87 W5 29.99S TC 12
EFFINGHAM* CLEAR 48 44 86 SW5 29.94R TC 9
MT. VERNON CLEAR 48 44 86 CALM 29.96R TC 9
CENTRALIA* CLEAR 49 43 80 W6 29.95R TC 10
SALEM* CLEAR 51 43 74 W5 29.94R TC 11
METROPOLIS* CLEAR 50 49 97 CALM 29.98R TC 10
ILZ067-068-072-073-078-083-087-091-211200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 51 45 79 W6 29.91R TC 11
FLORA* CLEAR 50 45 81 W7 29.94R TC 10
FAIRFIELD* CLEAR 49 43 79 CALM 29.94R TC 10
HARRISBURG* CLEAR 48 45 88 MISG 29.96S TC 9
ROBINSON* CLEAR 48 45 87 W6 29.90S TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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