978
ASUS43 KLOT 210701
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
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* PTCLDY 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 62 260/ 25/ 31 1003.7R
WINTHROP HARBOR 53 56 N/A 2/ 5
WAUKEGAN HARBOR 53 56 N/A 1/ 4
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 1006.2R 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
BLOOMINGTON PTCLDY 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
SPRINGFIELD CLEAR 51 42 71 W7 29.88R TC 11
TAYLORVILLE CLEAR 55 43 62 MISG 29.88R TC 13
ILZ033-039-045-046-055>057-062-063-210800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 54 47 77 W12 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
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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