615
ASUS43 KLOT 171507
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-171600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 69 58 67 S13G21 29.89F TC 21
STERLING* MOSUNNY 67 56 67 VRB7 29.94F TC 19
ILZ003-004-008-010-011-017-018-171600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 66 54 65 S13G24 29.94F TC 19
ROCHELLE* MOSUNNY 66 52 60 S17 29.95F TC 19
DE KALB* PTSUNNY 63 53 68 S18 29.97F TC 17
PERU* MOSUNNY 68 54 60 S17 29.97F TC 20
ILZ005-006-012>014-019>023-171600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 62 47 57 S10 29.97F TC 17
CHICAGO-MIDWAY PTSUNNY 61 45 55 S13 29.99F TC 16
AURORA PTSUNNY 62 50 64 S12 29.97F TC 17
JOLIET* MOSUNNY 63 49 62 S7 30.00F TC 17
WAUKEGAN MOSUNNY 64 50 60 SW18 29.94F TC 18
DUPAGE AIRPORT PTSUNNY 62 49 62 S10 29.97F TC 17
KANKAKEE* CLOUDY 63 45 51 S7 30.04S TC 17
WHEELING MOSUNNY 63 48 58 S15G22 29.98F TC 17
MORRIS* MOSUNNY 61 51 68 S10 29.99F TC 16
ROMEOVILLE* MOSUNNY 61 48 63 S15 29.99F TC 16
LANSING* CLOUDY 58 41 53 S9 30.01F TC 15
NORTHERLY ISL* N/A 61 43 51 SW12 N/A TC 16
LMZ740>746-171600-
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 1014.6F
WINTHROP HARBOR 63 61 N/A 2/ 4
WAUKEGAN HARBOR 63 62 N/A 2/ 4
WILMETTE BUOY 62 230/ 16/ 21 1015.8F 2/ 4
CHICAGO BUOY 62 200/ 14/ 19 1016.3F 2/ 3
HARRISON CRIB 62 200/ 19/ 20 N/A
NORTHERLY ISL 60 210/ 11/ 12 N/A
CALUMET HARBOR 60 190/ 7/ 10 1015.2
BURNS HARBOR 59 190/ 4/ 7 1017.3F
MICHIGAN CITY 59 180/ 10/ 12 1015.6F
ST. JOSEPH BUOY 57 55 150/ 10/ 14 1017.2F 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-171600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 70 58 65 S17G24 29.93F TC 21
GALESBURG* SUNNY 67 56 67 S15 29.94F TC 20
MACOMB* MOSUNNY 72 58 63 S15 29.95F TC 22
JACKSONVILLE* SUNNY 69 54 58 S9 29.98R TC 21
PITTSFIELD* SUNNY 70 58 66 S12 29.97F TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-171600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 65 46 50 S10 30.01F TC 18
BLOOMINGTON MOSUNNY 67 50 54 S16 30.01F TC 19
DECATUR MOSUNNY 66 48 52 S8 30.01F TC 19
PEORIA MOSUNNY 66 54 65 S14G20 29.97F TC 19
LACON* PTSUNNY 67 52 57 S12 29.96F TC 20
LINCOLN* MOSUNNY 67 52 57 S12 29.99F TC 20
SPRINGFIELD SUNNY 68 53 58 S14 29.98F TC 20
TAYLORVILLE SUNNY 68 52 56 MISG 30.00F TC 20
ILZ033-039-045-046-055>057-062-063-171600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 67 44 43 S16 30.03S TC 19
DANVILLE* N/A 65 44 45 S10 30.05S TC 19
RANTOUL* MOSUNNY 64 43 45 S16 30.02F TC 18
MATTOON SUNNY 65 45 48 S15G21 30.02F TC 18
PARIS* SUNNY 66 41 41 S14G20 30.05S TC 19
ILZ079-100>102-171600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 68 55 64 S9 30.00S TC 20
BELLEVILLE MOSUNNY 69 57 65 S8 29.98S TC 21
CAHOKIA* PTSUNNY 67 56 67 S6 29.99S TC 19
SPARTA* MOSUNNY 71 54 55 S9 30.02S TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 69 55 60 S10 30.01F TC 21
CAIRO* PTSUNNY 67 58 71 CALM 30.03S TC 20
EFFINGHAM* SUNNY 66 48 52 SE7 30.04F TC 19
MARION SUNNY 66 55 68 SE6 30.02F TC 19
MT. VERNON MOSUNNY 66 52 60 SE7 30.03S TC 19
CENTRALIA* MOSUNNY 69 50 51 S8 30.02S TC 20
SALEM* MOSUNNY 68 51 53 SE7 30.02S HAZE TC 20
METROPOLIS* MOSUNNY 65 55 68 E3 30.03F TC 18
ILZ067-068-072-073-078-083-087-091-171600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 65 47 52 S9 30.05F TC 18
FLORA* MOSUNNY 66 50 55 S10 30.04S TC 19
FAIRFIELD* MOSUNNY 66 49 54 S5 30.03F TC 19
HARRISBURG* MOSUNNY 66 52 59 MISG 30.04S TC 19
ROBINSON* SUNNY 64 50 59 SE8 30.05S TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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