439
ASUS43 KLOT 181506
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM 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.
ILZ001-002-007-009-015-016-024-181600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 68 64 87 W8 29.69S TC 20
STERLING* MOSUNNY 66 66 100 SW8 29.71S TC 19
ILZ003-004-008-010-011-017-018-181600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 65 62 90 SW12 29.71R TC 18
ROCHELLE* CLOUDY 65 63 91 SW9 29.71S TC 19
DE KALB* CLOUDY 64 64 100 SW8 29.71R TC 18
PERU* MOSUNNY 69 64 83 SW9 29.71S TC 21
ILZ005-006-012>014-019>023-181600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 67 61 81 S8 29.69F TC 19
CHICAGO-MIDWAY PTSUNNY 69 61 75 SW10G21 29.70F TC 21
AURORA PTSUNNY 66 62 87 SW13 29.70F TC 19
JOLIET* PTSUNNY 73 62 68 SW12 29.72R TC 23
WAUKEGAN PTSUNNY 65 63 93 SW10 29.67F TC 18
DUPAGE AIRPORT PTSUNNY 67 61 81 S9 29.70S TC 19
KANKAKEE* PTSUNNY 72 61 68 SW14G22 29.75S TC 22
WHEELING PTSUNNY 67 62 84 SW5 29.70S TC 19
MORRIS* MOSUNNY 71 62 73 SW15 29.71R TC 22
ROMEOVILLE* MOSUNNY 70 61 73 S15 29.71F TC 21
LANSING* PTSUNNY 66 56 70 S10G16 29.74R TC 19
NORTHERLY ISL* N/A 68 58 70 S12 N/A TC 20
LMZ740>746-181600-
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 65 200/ 17/ 21 1005.3R 3/ 5
WINTHROP HARBOR 61 53 N/A 1/ 4
WAUKEGAN HARBOR 64 61 N/A 1/ 4
WILMETTE BUOY 64 210/ 8/ 12 1007.1R 1/ 3
CHICAGO BUOY 67 220/ 10/ 14 1006.3R 1/ 3
HARRISON CRIB 67 210/ 15/ 17 N/A
NORTHERLY ISL 66 170/ 3/ 13 N/A
CALUMET HARBOR 67 200/ 7/ 10 1005.4
BURNS HARBOR 68 210/ 8/ 10 1007.5R
MICHIGAN CITY 66 190/ 12/ 13 1005.3F
ST. JOSEPH BUOY 62 56 150/ 10/ 12 1007.4R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 70 61 73 SW10 29.73S TC 21
GALESBURG* MOSUNNY 68 63 82 SW8 29.72S TC 20
MACOMB* MOSUNNY 68 64 86 SW7 29.74S TC 20
JACKSONVILLE* PTSUNNY 74 60 61 S9 29.74F TC 23
PITTSFIELD* PTSUNNY 73 62 70 SW7 29.75S TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-181600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 71 59 65 SW15 29.74R TC 22
BLOOMINGTON MOSUNNY 71 61 70 SW14G21 29.76R TC 22
DECATUR MOSUNNY 74 62 66 SW15G25 29.77F TC 23
PEORIA MOSUNNY 71 61 70 SW9 29.72F TC 22
LACON* MOSUNNY 70 59 69 SW12 29.71F TC 21
LINCOLN* MOSUNNY 73 62 68 SW8 29.75R TC 23
SPRINGFIELD PTSUNNY 73 62 68 S12G22 29.75R TC 23
TAYLORVILLE PTSUNNY 73 63 68 MISG 29.77F TC 23
ILZ033-039-045-046-055>057-062-063-181600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 73 62 68 S16 29.78F TC 23
DANVILLE* PTSUNNY 73 62 68 S15 29.79F TC 23
RANTOUL* PTSUNNY 72 61 68 SW12G17 29.76F TC 22
MATTOON LGT RAIN 72 61 68 S14G22 29.80F TC 22
PARIS* PTSUNNY 76 61 59 SW14 29.81F TC 24
ILZ079-100>102-181600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE LGT RAIN 75 63 64 SW10 29.76F TC 24
CAHOKIA* PTSUNNY 72 63 73 S6 29.77S TC 22
SPARTA* PTSUNNY 76 60 57 S12G20 29.82S TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 76 63 64 S9 29.84F TC 24
CAIRO* PTSUNNY 79 65 62 SW13G18 29.87F HX 81 TC 26
EFFINGHAM* MOSUNNY 73 63 69 S7 29.83S TC 23
MARION PTSUNNY 73 63 68 S9 29.85F TC 23
MT. VERNON PTSUNNY 77 63 61 SW14 29.84S TC 25
CENTRALIA* PTSUNNY 76 60 58 SW14G20 29.82S TC 25
SALEM* PTSUNNY 77 61 56 S14 29.81F TC 25
METROPOLIS* MOSUNNY 76 62 61 S8 29.88F TC 25
ILZ067-068-072-073-078-083-087-091-181600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 74 61 63 SW15 29.84F TC 23
FLORA* SUNNY 75 63 64 SW13 29.84S TC 24
FAIRFIELD* MOSUNNY 73 61 66 S7 29.84F TC 23
HARRISBURG* MOSUNNY 76 62 60 MISG 29.86F TC 25
ROBINSON* PTSUNNY 75 64 69 S10 29.83S TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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