876
ASUS43 KLOT 181810
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM CDT SAT OCT 18 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.
ILZ001-002-007-009-015-016-024-181900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 74 63 68 CALM 29.65F TC 23
6HR MIN TEMP: 64; 6HR MAX TEMP: 74;
STERLING* MOSUNNY 73 66 78 W6 29.68F TC 23
ILZ003-004-008-010-011-017-018-181900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 71 61 70 SW6 29.69F TC 22
6HR MIN TEMP: 62; 6HR MAX TEMP: 71;
ROCHELLE* CLOUDY 69 63 81 W6 29.69F TC 20
DE KALB* CLOUDY 69 64 84 W8 29.69F TC 21
PERU* CLOUDY 73 63 71 SW7 29.67F TC 23
ILZ005-006-012>014-019>023-181900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 71 62 73 W6 29.67F TC 22
6HR MIN TEMP: 62; 6HR MAX TEMP: 72; 6HR PCP: 0.01;
CHICAGO-MIDWAY CLOUDY 74 62 66 W10 29.67F TC 23
6HR MIN TEMP: 64; 6HR MAX TEMP: 74;
AURORA CLOUDY 71 63 75 SW6 29.68F TC 22
6HR MIN TEMP: 62; 6HR MAX TEMP: 71; 6HR PCP: TRACE;
JOLIET* CLOUDY 77 62 59 SW7 29.68F TC 25
WAUKEGAN PTSUNNY 68 64 87 SW9 29.67F TC 20
6HR MIN TEMP: 62; 6HR MAX TEMP: 68; 6HR PCP: 0.01;
DUPAGE AIRPORT CLOUDY 72 63 73 SW9 29.68F TC 22
6HR MIN TEMP: 62; 6HR MAX TEMP: 72; 6HR PCP: TRACE;
KANKAKEE* CLOUDY 75 61 60 SW12 29.69F TC 24
WHEELING CLOUDY 71 62 73 W9 29.69F TC 22
6HR MIN TEMP: 63; 6HR MAX TEMP: 72; 6HR PCP: 0.01;
MORRIS* CLOUDY 75 64 67 W9 29.67F TC 24
ROMEOVILLE* CLOUDY 75 61 60 SW12 29.69F TC 24
LANSING* CLOUDY 74 57 55 SW9 29.69F TC 23
NORTHERLY ISL* N/A 72 59 63 S6 N/A TC 22
LMZ740>746-181900-
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 65 65 210/ 12/ 14 1004.7F 3/ 5
WINTHROP HARBOR 64 53 N/A 1/ 4
WAUKEGAN HARBOR 67 62 N/A 1/ 3
WILMETTE BUOY 67 300/ 6/ 10 1007.1F 1/ 3
CHICAGO BUOY 69 240/ 6/ 10 1005.2 1/ 2
HARRISON CRIB 71 220/ 10/ 11 N/A
NORTHERLY ISL 72 250/ 5/ 14 N/A
CALUMET HARBOR 74 230/ 7/ 11 1004.3F
BURNS HARBOR 73 220/ 8/ 9 1006.1F
MICHIGAN CITY 72 220/ 12/ 13 1004.1F
ST. JOSEPH BUOY 65 62 200/ 4/ 6 1006.5F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 74 62 66 SW8 29.68F TC 23
GALESBURG* PTSUNNY 72 64 74 S7 29.69F TC 22
MACOMB* CLOUDY 74 64 70 SW8 29.70F TC 23
JACKSONVILLE* CLOUDY 73 62 68 SW12G17 29.69F TC 23
PITTSFIELD* PTSUNNY 74 64 70 SW9 29.70F TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-181900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 76 60 57 SW13 29.68F TC 25
BLOOMINGTON CLOUDY 75 62 64 SW18G24 29.70F TC 24
DECATUR LGT RAIN 70 64 81 W10G23 29.73F TC 21
PEORIA CLOUDY 74 62 66 SW13 29.68F TC 23
6HR MIN TEMP: 64; 6HR MAX TEMP: 74;
LACON* CLOUDY 73 60 64 SW5 29.67F TC 23
LINCOLN* CLOUDY 75 63 67 S8 29.70F TC 24
SPRINGFIELD CLOUDY 71 63 75 S14 29.70F TC 22
6HR MIN TEMP: 66; 6HR MAX TEMP: 75;
TAYLORVILLE LGT RAIN 66 64 94 MISG 29.69F TC 19
ILZ033-039-045-046-055>057-062-063-181900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 78 61 55 S18 29.71F HX 80 TC 26
DANVILLE* CLOUDY 82 61 49 S17G24 29.72F HX 82 TC 28
RANTOUL* CLOUDY 77 63 61 SW12G18 29.70F TC 25
MATTOON TSTM 70 65 84 SW7 29.75F TC 21
PARIS* PTSUNNY 81 60 49 SW12 29.74F HX 81 TC 27
ILZ079-100>102-181900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE TSTM 67 66 96 CALM 29.75 TC 20
CAHOKIA* TSTM 65 64 97 S10 29.77F TC 18
SPARTA* RAIN 71 67 87 N3G10 29.79R TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 84 65 52 SW16G30 29.77F HX 86 TC 29
6HR MIN TEMP: 65; 6HR MAX TEMP: 85;
CAIRO* PTSUNNY 86 66 50 SW16G23 29.80F HX 88 TC 30
EFFINGHAM* TSTM 63 62 98 W8 29.79R TC 17
MARION MOSUNNY 82 64 54 SW14 29.78F HX 84 TC 28
MT. VERNON PTSUNNY 83 66 56 S18G26 29.76F HX 85 TC 28
CENTRALIA* RAIN 70 64 80 NW16G28 29.81R TC 21
SALEM* TSTM 67 65 91 NW21G36 29.80R TC 20
METROPOLIS* MOSUNNY 83 62 48 SW14G23 29.82F HX 84 TC 29
ILZ067-068-072-073-078-083-087-091-181900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 83 62 49 S13 29.76F HX 84 TC 28
FLORA* MOSUNNY 81 64 57 SW13 29.75F HX 82 TC 27
FAIRFIELD* CLOUDY 83 63 51 S15G22 29.76F HX 84 TC 28
HARRISBURG* PTSUNNY 85 63 48 MISG 29.79F HX 85 TC 29
ROBINSON* PTSUNNY 81 64 57 SW10 29.74F HX 82 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page