423
ASUS43 KLOT 210210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 PM CDT MON OCT 20 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.
ILZ001-002-007-009-015-016-024-210300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 58 45 62 NW25G36 29.75R TC 14
STERLING* PTCLDY 56 53 90 SW9 29.73R TC 13
ILZ003-004-008-010-011-017-018-210300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 63 43 48 SW23G33 29.70R TC 17
ROCHELLE* CLOUDY 61 41 49 SW25G31 29.70R TC 16
DE KALB* CLOUDY 58 43 56 S13 29.69F TC 15
PERU* CLOUDY 64 43 47 SW13G22 29.72R TC 18
ILZ005-006-012>014-019>023-210300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 60 38 43 S12 29.70F TC 16
CHICAGO-MIDWAY CLOUDY 61 38 42 S15G23 29.72F TC 16
AURORA CLOUDY 59 41 51 S15G23 29.69F TC 15
JOLIET* CLOUDY 62 41 46 S13G20 29.71F TC 17
WAUKEGAN CLOUDY 60 37 42 S16G25 29.68F TC 16
DUPAGE AIRPORT CLOUDY 61 40 45 S14 29.69F TC 16
KANKAKEE* CLOUDY 59 39 47 S14G23 29.75F TC 15
WHEELING CLOUDY 61 39 44 S16 29.71F TC 16
MORRIS* CLOUDY 60 45 57 S12G17 29.70F TC 16
ROMEOVILLE* CLOUDY 59 41 51 S17G24 29.72F TC 15
LANSING* MOCLDY 56 33 41 S10 29.74F TC 14
NORTHERLY ISL* N/A 59 37 44 S13 N/A TC 15
LMZ740>746-210300-
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 62 62 170/ 21/ 25 1006.4F 5/ 6
WINTHROP HARBOR 60 57 N/A 3/ 5
WAUKEGAN HARBOR 60 55 N/A 3/ 4
WILMETTE BUOY 62 180/ 19/ 23 1006.7F 3/ 4
CHICAGO BUOY 61 170/ 17/ 21 N/A 2/ 3
HARRISON CRIB 61 180/ 22/ 24 N/A
NORTHERLY ISL 59 190/ 4/ 11 N/A
CALUMET HARBOR 59 160/ 9/ 12 1006.2F
BURNS HARBOR 58 170/ 8/ 11 1008.1F
MICHIGAN CITY 58 150/ 13/ 15 1006.9F
ST. JOSEPH BUOY 58 58 110/ 14/ 17 1009.1F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-210300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 64 44 48 NW16 29.79R TC 18
GALESBURG* LGT RAIN 59 47 64 W12 29.76R TC 15
MACOMB* CLOUDY 64 45 49 W18 29.78R TC 18
JACKSONVILLE* CLOUDY 67 45 44 W6 29.76R TC 20
PITTSFIELD* CLOUDY 69 46 43 W12G18 29.79R TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-210300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 60 41 50 S17 29.73S TC 16
BLOOMINGTON CLOUDY 61 43 51 S17 29.74S TC 16
DECATUR CLOUDY 61 42 49 S15G24 29.76F TC 16
PEORIA LGT RAIN 63 47 55 W14G25 29.76R TC 17
LACON* CLOUDY 64 43 46 W12G17 29.73R TC 18
LINCOLN* CLOUDY 65 46 49 S10G22 29.73S TC 18
SPRINGFIELD CLOUDY 65 44 46 S17G28 29.75R TC 18
TAYLORVILLE CLOUDY 63 45 51 MISG 29.76S TC 17
ILZ033-039-045-046-055>057-062-063-210300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 60 43 53 S21 29.77F TC 16
DANVILLE* CLEAR 58 40 51 S15 29.80F TC 15
RANTOUL* CLOUDY 57 43 58 S15 29.76F TC 14
MATTOON CLEAR 60 43 53 S14 29.79F TC 16
PARIS* PTCLDY 57 40 54 S14 29.82F TC 14
ILZ079-100>102-210300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 66 45 45 S16 29.78R TC 19
BELLEVILLE CLOUDY 66 46 47 SW15 29.78S TC 19
CAHOKIA* CLOUDY 66 46 48 S9 29.78S TC 19
SPARTA* MOCLDY 67 43 42 S14G23 29.84S TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 60 45 57 S12 29.87S TC 16
CAIRO* CLEAR 62 46 56 S6 29.92R TC 17
EFFINGHAM* PTCLDY 58 43 58 SE8 29.83F TC 14
MT. VERNON PTCLDY 59 45 59 S7 29.85F TC 15
SALEM* CLOUDY 64 44 48 S9 29.82F TC 18
METROPOLIS* CLEAR 63 41 45 S7 29.91R TC 17
ILZ067-068-072-073-078-083-087-091-210300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 51 44 77 S9 29.86F TC 11
FLORA* CLEAR 57 45 62 S10 29.85S TC 14
FAIRFIELD* CLEAR 58 43 56 S6 29.86F TC 15
HARRISBURG* CLEAR 61 43 52 MISG 29.89S TC 16
ROBINSON* CLEAR 55 45 67 S8 29.84F TC 13
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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