342
ASUS43 KLOT 210710
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-210800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 49 44 83 W9 29.80S TC 9
STERLING* CLEAR 47 46 97 W9 29.79R TC 8
ILZ003-004-008-010-011-017-018-210800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 47 44 90 SW7 29.76S TC 8
ROCHELLE* CLEAR 46 43 91 SW6 29.77R TC 8
DE KALB* PTCLDY 48 46 92 W10 29.76S TC 9
PERU* CLEAR 49 45 87 SW7 29.79S TC 10
ILZ005-006-012>014-019>023-210800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 51 45 79 W12 29.72R TC 11
CHICAGO-MIDWAY CLEAR 52 45 77 W15G24 29.75R TC 11
AURORA PTCLDY 47 45 93 W9 29.76R TC 8
JOLIET* CLEAR 51 48 90 W3 29.79R TC 11
WAUKEGAN PTCLDY 50 46 86 W13G21 29.68S TC 10
DUPAGE AIRPORT CLEAR 50 44 80 W12 29.75R TC 10
KANKAKEE* CLEAR 52 46 82 W8 29.81R TC 11
WHEELING CLEAR 52 45 77 W13G21 29.73R TC 11
MORRIS* MOCLDY 47 47 100 W5 29.78R TC 8
ROMEOVILLE* CLEAR 50 46 87 SW9 29.78R TC 10
LANSING* CLEAR 51 42 71 W12G17 29.77R TC 11
NORTHERLY ISL* N/A 53 44 71 W12 N/A TC 12
LMZ740>746-210800-
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 56 270/ 25/ 29 1003.9R 6/ 6
WINTHROP HARBOR 52 56 N/A 2/ 5
WAUKEGAN HARBOR 53 56 N/A 1/ 5
WILMETTE BUOY 55 310/ 21/ 27 1006.1R 2/ 3
CHICAGO BUOY 55 270/ 19/ 25 N/A 2/ 4
HARRISON CRIB 54 280/ 22/ 25 N/A
NORTHERLY ISL 54 270/ 16 N/A
CALUMET HARBOR 53 250/ 7/ 13 1005.8
BURNS HARBOR 57 270/ 15/ 18 1007.1R
MICHIGAN CITY 57 250/ 31/ 37 1004.6F
ST. JOSEPH BUOY 58 58 220/ 23/ 33 1006.3R 4/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-210800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 53 41 63 W8 29.90R TC 12
GALESBURG* CLEAR 47 42 81 W8 29.85R TC 8
MACOMB* CLEAR 49 41 76 W9 29.89R TC 9
JACKSONVILLE* CLEAR 53 41 63 W6 29.89R TC 12
PITTSFIELD* CLEAR 55 44 65 W6 29.92R TC 13
ILZ028>032-037-038-041>044-048-051>054-059>061-210800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 47 44 87 W8 29.82R TC 9
BLOOMINGTON CLEAR 51 45 79 W8 29.84S TC 11
DECATUR MOCLDY 55 44 66 NW10 29.87R TC 13
PEORIA CLEAR 49 45 86 W6 29.84R TC 9
LACON* CLEAR 49 44 82 W3 29.81S TC 9
LINCOLN* CLEAR 53 45 74 W3 29.86S TC 12
SPRINGFIELD CLEAR 51 42 71 W7 29.88R TC 11
TAYLORVILLE CLEAR 55 43 62 MISG 29.89R TC 13
ILZ033-039-045-046-055>057-062-063-210800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 54 47 77 W12 29.84R TC 12
DANVILLE* PTCLDY 57 49 75 W12 29.83R TC 14
RANTOUL* MOCLDY 54 46 76 W9 29.84R TC 12
MATTOON CLOUDY 57 47 69 NW14 29.85R TC 14
PARIS* CLOUDY 58 46 65 W12G18 29.83R TC 14
ILZ079-100>102-210800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 55 42 60 MISG 29.93R TC 13
BELLEVILLE CLEAR 61 44 54 N10 29.90R TC 16
CAHOKIA* CLEAR 60 44 55 NW8 29.93R TC 16
SPARTA* CLEAR 64 45 50 NW7 29.93R TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 61 49 64 W7 29.90R TC 16
CAIRO* CLEAR 61 52 71 W8 29.94R TC 16
EFFINGHAM* CLOUDY 59 47 63 NW13G23 29.89R TC 15
MT. VERNON CLEAR 62 49 62 VRB5 29.89R TC 17
SALEM* MOCLDY 62 47 57 NW12G17 29.89R TC 17
METROPOLIS* CLEAR 60 45 57 W3 29.93R TC 16
ILZ067-068-072-073-078-083-087-091-210800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 61 46 57 SW14 29.84R TC 16
FLORA* CLEAR 61 48 63 W9 29.87R TC 16
FAIRFIELD* MOCLDY 59 47 63 W5 29.87R TC 15
HARRISBURG* CLEAR 60 48 64 MISG 29.90R TC 16
ROBINSON* CLOUDY 61 46 59 W15G21 29.83R TC 16
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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