436
ASUS43 KLOT 171603
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CDT FRI OCT 17 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.
ILZ001-002-007-009-015-016-024-171700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 74 59 59 S14G24 29.87F TC 23
STERLING* MOSUNNY 72 57 59 VRB6 29.91F TC 22
ILZ003-004-008-010-011-017-018-171700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 70 55 59 S18 29.92F TC 21
ROCHELLE* SUNNY 70 53 54 S16G23 29.92F TC 21
DE KALB* SUNNY 67 55 64 S20 29.94F TC 20
PERU* MOSUNNY 73 54 52 S14 29.93F TC 23
ILZ005-006-012>014-019>023-171700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 65 48 54 SW15G25 29.95F TC 18
CHICAGO-MIDWAY PTSUNNY 65 47 52 S16G24 29.96F TC 18
AURORA SUNNY 67 52 58 S15G25 29.95F TC 19
JOLIET* MOSUNNY 68 49 51 S10G18 29.97F TC 20
WAUKEGAN MOSUNNY 67 52 58 SW17 29.92F TC 19
DUPAGE AIRPORT SUNNY 67 52 58 S16G23 29.94F TC 19
WHEELING MOSUNNY 66 50 56 SW16G24 29.96F TC 19
MORRIS* MOSUNNY 67 51 57 S12G21 29.96F TC 20
ROMEOVILLE* SUNNY 66 50 55 S14G21 N/A TC 19
LANSING* MOSUNNY 65 40 40 SW20 29.99F TC 18
NORTHERLY ISL* N/A 64 44 48 S10 N/A TC 18
LMZ740>746-171700-
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 63 65 190/ 19/ 25 1014.0F
WINTHROP HARBOR 65 61 N/A 3/ 5
WAUKEGAN HARBOR 64 62 N/A 2/ 4
WILMETTE BUOY 64 210/ 17/ 21 1015.3F 2/ 4
CHICAGO BUOY 64 210/ 16/ 19 1015.2F 2/ 3
HARRISON CRIB 63 210/ 19/ 21 N/A
NORTHERLY ISL 62 180/ 13/ 14 N/A
CALUMET HARBOR 62 190/ 9/ 13 1014.0F
BURNS HARBOR 62 190/ 9/ 14 1015.9F
MICHIGAN CITY 62 180/ 10/ 12 1014.6F
ST. JOSEPH BUOY 59 55 160/ 10/ 14 1016.5F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-171700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 72 59 63 S14 29.91F TC 22
GALESBURG* MOSUNNY 71 58 62 S10 29.92F TC 22
MACOMB* MOSUNNY 74 59 60 S14 29.94F TC 23
JACKSONVILLE* MOSUNNY 71 55 57 S9 29.95F TC 22
PITTSFIELD* MOSUNNY 73 59 60 S12G18 29.94F TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-171700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 71 52 50 S20 29.98F TC 22
DECATUR SUNNY 71 50 47 S14 30.01S TC 22
PEORIA MOSUNNY 70 55 59 S14 29.95F TC 21
LACON* MOSUNNY 72 54 52 S8 29.93F TC 22
LINCOLN* SUNNY 72 54 53 S14 29.97F TC 22
SPRINGFIELD SUNNY 73 54 51 S10 29.97F TC 23
TAYLORVILLE MOSUNNY 70 52 52 MISG 29.99F TC 21
ILZ033-039-045-046-055>057-062-063-171700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 72 45 37 S15 30.01F TC 22
DANVILLE* N/A 69 44 39 S12 30.03F TC 21
MATTOON SUNNY 70 46 42 SE14 30.00F TC 21
PARIS* SUNNY 69 41 36 S14 30.03F TC 21
ILZ079-100>102-171700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 70 55 60 S7 29.98F TC 21
BELLEVILLE PTSUNNY 71 56 60 S8 29.97F TC 22
CAHOKIA* PTSUNNY 69 56 62 S7 29.97F TC 21
SPARTA* PTSUNNY 76 53 45 S6 30.00F TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 74 56 53 S12 29.99F TC 23
CAIRO* PTSUNNY 74 59 59 CALM 30.01F TC 23
EFFINGHAM* MOSUNNY 69 50 49 SE7 30.02F TC 21
MARION SUNNY 72 55 56 S8 30.01F TC 22
MT. VERNON PTSUNNY 71 53 52 VRB5 30.01F TC 22
CENTRALIA* PTSUNNY 76 52 43 S6 30.00F TC 24
SALEM* PTSUNNY 71 51 49 S5 30.00F TC 22
METROPOLIS* PTSUNNY 69 56 63 CALM 30.02F TC 20
ILZ067-068-072-073-078-083-087-091-171700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 68 46 45 S10 30.03F TC 20
FAIRFIELD* MOSUNNY 72 50 46 SE6 30.01F TC 22
HARRISBURG* MOSUNNY 70 54 56 MISG 30.02F TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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