585
ASUS43 KLOT 210806
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
KANKAKEE* CLOUDY 48 45 87 W9 29.82R 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 62 270/ 23/ 31 1004.6R 6/ 5
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
PONTIAC CLEAR 47 44 88 SW8 29.83R TC 8
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
LINCOLN* CLEAR 50 45 81 CALM 29.87S TC 10
SPRINGFIELD CLEAR 50 42 74 W9 29.89R TC 10
TAYLORVILLE CLEAR 50 43 76 MISG 29.90R TC 10
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 48 45 87 W5 29.84S TC 9
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
ROBINSON* CLOUDY 57 48 72 NW12 29.86R TC 14
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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