503
ASUS43 KLOT 210803
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-210900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 47 42 83 SW7 29.80S TC 8
STERLING* CLEAR 46 45 96 SW6 29.79S TC 8
ILZ003-004-008-010-011-017-018-210900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 46 43 89 SW8 29.76S TC 8
ROCHELLE* CLEAR 44 42 95 SW6 29.77S TC 7
DE KALB* CLEAR 47 45 93 SW13 29.77R TC 8
PERU* CLEAR 48 44 86 SW7 29.80S TC 9
ILZ005-006-012>014-019>023-210900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 50 44 80 W12 29.74R TC 10
CHICAGO-MIDWAY CLEAR 51 45 79 W9 29.76R TC 11
AURORA CLEAR 45 44 97 SW8 29.76S TC 7
JOLIET* CLOUDY 51 48 90 SW7 29.79S TC 11
WAUKEGAN CLEAR 49 43 80 W13G26 29.69R TC 9
DUPAGE AIRPORT CLEAR 49 44 83 W7 29.76R TC 9
WHEELING CLEAR 51 44 77 W12G21 29.74R TC 11
MORRIS* MOCLDY 48 47 97 W7 29.78S TC 9
ROMEOVILLE* PTCLDY 48 46 93 SW9 29.78S TC 9
LANSING* CLEAR 49 42 75 W9 29.77S TC 9
NORTHERLY ISL* N/A 52 43 71 SW5 N/A TC 11
LMZ740>746-210900-
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 55 62 280/ 23/ 29 1004.5R
WINTHROP HARBOR 52 56 N/A 1/ 5
WAUKEGAN HARBOR 52 56 N/A 1/ 5
WILMETTE BUOY 54 310/ 19/ 27 1006.6R 2/ 3
CHICAGO BUOY 55 270/ 19/ 29 N/A 1/ 2
HARRISON CRIB 54 270/ 21/ 25 N/A
NORTHERLY ISL 52 260/ 10/ 20 N/A
CALUMET HARBOR 52 230/ 6/ 10 1006.5
BURNS HARBOR 55 280/ 12/ 15 1007.8R
MICHIGAN CITY 55 270/ 27/ 31 1005.6R
ST. JOSEPH BUOY 56 58 240/ 29/ 41 1006.9R 4/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-210900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 48 40 73 SW7 29.90S TC 9
GALESBURG* CLEAR 47 40 75 SW6 29.85S TC 9
MACOMB* CLEAR 45 39 81 W9 29.89S TC 7
JACKSONVILLE* CLEAR 51 41 67 W6 29.90S TC 11
PITTSFIELD* CLEAR 53 42 68 W5 29.92F TC 12
ILZ028>032-037-038-041>044-048-051>054-059>061-210900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 50 44 80 W8 29.85R TC 10
DECATUR CLEAR 53 44 71 W5 29.88R TC 12
PEORIA CLEAR 48 43 82 W5 29.85R TC 9
LACON* CLEAR 47 42 82 SW5 29.82S TC 8
SPRINGFIELD CLEAR 50 42 74 W9 29.89R TC 10
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-210900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 47 44 90 W7 29.85R TC 8
DANVILLE* MOCLDY 53 47 81 W6 29.84R TC 12
RANTOUL* CLEAR 50 45 81 W7 29.84S TC 10
MATTOON MOCLDY 53 45 74 W8 29.87R TC 12
PARIS* MOCLDY 55 47 76 CALM 29.86R TC 13
ILZ079-100>102-210900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 54 43 68 MISG 29.93S TC 12
BELLEVILLE CLEAR 54 45 70 NW7 29.92R TC 12
CAHOKIA* CLEAR 58 44 60 W6 29.93S TC 14
SPARTA* CLEAR 61 44 53 NW6 29.95R TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 61 47 59 NW8 29.93R TC 16
CAIRO* CLEAR 58 52 79 W7 29.95R TC 15
EFFINGHAM* CLEAR 56 45 67 W7 29.91R TC 13
MT. VERNON CLEAR 60 46 59 VRB5 29.92R TC 16
CENTRALIA* CLEAR 59 41 52 NW7 29.92R TC 15
SALEM* CLEAR 58 44 58 NW7 29.91R TC 15
METROPOLIS* CLEAR 60 48 64 SW8 29.94R TC 16
ILZ067-068-072-073-078-083-087-091-210900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 62 47 57 W14G23 29.86R TC 17
FLORA* PTCLDY 57 48 72 NW8 29.90R TC 14
FAIRFIELD* CLEAR 59 47 64 NW5 29.90R TC 15
HARRISBURG* CLEAR 56 48 76 MISG 29.91R TC 13
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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