444
ASUS43 KLOT 210510
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-210600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 51 46 83 W13 29.79S TC 11
STERLING* PTCLDY 48 47 96 W7 29.78R TC 9
ILZ003-004-008-010-011-017-018-210600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 50 47 89 W10 29.75R TC 10
ROCHELLE* PTCLDY 49 46 89 W8 29.76S TC 9
DE KALB* DRIZZLE 50 48 93 W12G18 29.74F TC 10
PERU* CLEAR 51 46 84 W9 29.79R TC 11
ILZ005-006-012>014-019>023-210600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 55 50 83 W14G25 29.70R TC 13
CHICAGO-MIDWAY LGT RAIN 56 50 80 W17G33 29.72R TC 13
AURORA CLOUDY 52 49 89 NW20G28 29.72S TC 11
JOLIET* RAIN 56 52 86 W9G17 29.74S TC 13
WAUKEGAN LGT RAIN 54 50 86 W12G22 29.65S TC 12
DUPAGE AIRPORT LGT RAIN 54 49 83 W16G24 29.71S TC 12
KANKAKEE* CLOUDY 57 48 72 W17 29.77R TC 14
WHEELING LGT RAIN 56 51 84 W14G25 29.70R TC 13
MORRIS* MOCLDY 54 51 90 W16 29.75R TC 12
ROMEOVILLE* LGT RAIN 55 52 88 W13G21 29.73F TC 13
LANSING* CLOUDY 55 44 67 SW16 29.73S TC 13
NORTHERLY ISL* N/A 57 47 69 SW17 N/A TC 14
LMZ740>746-210600-
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 61 62 210/ 27/ 35 1003.4F 6/ 6
WINTHROP HARBOR 56 57 N/A 3/ 5
WAUKEGAN HARBOR 56 56 N/A 2/ 5
WILMETTE BUOY 59 260/ 21/ 29 1005.5R 3/ 4
CHICAGO BUOY 58 250/ 19/ 25 N/A 2/ 4
HARRISON CRIB 58 270/ 23/ 26 N/A
NORTHERLY ISL 59 230/ 7/ 19 N/A
CALUMET HARBOR 57 200/ 12/ 18 1004.9
BURNS HARBOR 59 210/ 8/ 10 1006.8R
MICHIGAN CITY 57 180/ 15/ 18 1004.9F
ST. JOSEPH BUOY 60 58 160/ 29/ 41 1006.2F 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-210600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 55 44 66 W8 29.88R TC 13
GALESBURG* PTCLDY 48 43 81 W5 29.84R TC 9
MACOMB* CLEAR 48 42 80 W8 29.86S TC 9
JACKSONVILLE* MOCLDY 58 41 53 NW6 29.87R TC 14
PITTSFIELD* CLEAR 59 43 55 NW7 29.89R TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-210600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC DRIZZLE 55 50 83 W13 29.79S TC 13
BLOOMINGTON LGT RAIN 56 49 77 NW15G24 29.82R TC 13
DECATUR LGT RAIN 61 48 62 NW16G30 29.83R TC 16
PEORIA PTCLDY 53 45 74 NW5 29.82R TC 12
LACON* CLEAR 52 44 75 NW5 29.80S TC 11
LINCOLN* CLOUDY 58 49 71 NW6 29.85R TC 15
SPRINGFIELD CLOUDY 60 43 53 NW10 29.85R TC 16
TAYLORVILLE CLOUDY 63 46 55 MISG 29.85R TC 17
ILZ033-039-045-046-055>057-062-063-210600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 58 46 64 W9 29.80R TC 14
DANVILLE* CLOUDY 60 44 55 SW13 29.79R TC 15
RANTOUL* CLOUDY 57 45 62 W9G16 29.79R TC 14
MATTOON MOCLDY 58 44 60 S12 29.80R TC 14
PARIS* CLOUDY 58 43 55 SW15 29.80R TC 15
ILZ079-100>102-210600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 66 44 44 MISG 29.88R TC 19
BELLEVILLE CLOUDY 65 49 56 W8 29.84R TC 18
CAHOKIA* CLOUDY 67 45 45 NW20G32 29.87R TC 19
SPARTA* CLEAR 65 47 51 SW10 29.88R TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 62 48 60 SW13 29.87R TC 17
CAIRO* PTCLDY 60 48 65 S6 29.91S TC 16
EFFINGHAM* MOCLDY 61 45 56 S7 29.83S TC 16
MT. VERNON PTCLDY 61 48 62 SW13 29.85R TC 16
SALEM* PTCLDY 63 47 55 SW12 29.84R TC 17
METROPOLIS* MOCLDY 60 43 52 S3 29.92S TC 16
ILZ067-068-072-073-078-083-087-091-210600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 58 43 57 S14 29.82F TC 14
FLORA* MOCLDY 61 46 59 SW9 29.84R TC 16
FAIRFIELD* MOCLDY 59 44 57 S8 29.84S TC 15
HARRISBURG* PTCLDY 63 45 51 MISG 29.86F TC 17
ROBINSON* PTCLDY 59 45 58 S10 29.81R TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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