Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 170712
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CDT FRI OCT 17 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-170800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 64 55 72 SE10 29.93F TC 18
STERLING* PTCLDY 63 53 70 VRB5 29.97R TC 17
$$
ILZ003-004-008-010-011-017-018-170800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 59 47 64 SE9 29.99F TC 15
ROCHELLE* PTCLDY 58 47 66 SE9 29.98F TC 14
DE KALB* PTCLDY 55 46 70 SE12 30.01S TC 13
PERU* PTCLDY 59 52 76 SE10 29.99S TC 15
$$
ILZ005-006-012>014-019>023-170800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 58 40 51 SE8 30.01F TC 14
CHICAGO-MIDWAY PTCLDY 59 40 49 SE8 30.02F TC 15
AURORA PTCLDY 56 45 66 S6 30.00F TC 13
JOLIET* PTCLDY 59 44 57 S3 30.02F TC 15
WAUKEGAN CLEAR 59 41 51 S7 30.01F TC 15
DUPAGE AIRPORT PTCLDY 59 42 53 S12 30.00F TC 15
KANKAKEE* PTCLDY 52 43 71 SE5 30.05F TC 11
WHEELING PTCLDY 57 42 57 S6 30.03F TC 14
MORRIS* PTCLDY 59 49 70 S6 30.01S TC 15
ROMEOVILLE* PTCLDY 57 43 58 SE10 30.03S TC 14
LANSING* PTCLDY 55 36 49 SE7 30.04F TC 13
NORTHERLY ISL* N/A 59 40 49 SE6 N/A TC 15
$$
LMZ740>746-170800-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 64 65 170/ 17/ 21 1016.9F 3/ 4
WINTHROP HARBOR 63 61 N/A 2/ 4
WAUKEGAN HARBOR 63 62 N/A 2/ 4
WILMETTE BUOY 63 160/ 16/ 21 1017.5F 2/ 4
CHICAGO BUOY 63 160/ 16/ 19 1017.6 2/ 3
HARRISON CRIB 63 180/ 18/ 20 N/A
NORTHERLY ISL 59 170/ 6/ 10 N/A
CALUMET HARBOR 59 160/ 5/ 7 1015.9F
BURNS HARBOR 60 160/ 5/ 10 1017.9S
MICHIGAN CITY 58 150/ 9/ 11 1016.8R
ST. JOSEPH BUOY 57 57 120/ 14/ 16 1018.3F 1/ 2
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-170800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 66 59 78 S8 29.94F TC 19
GALESBURG* PTCLDY 63 54 72 SE7 29.97S TC 17
MACOMB* PTCLDY 63 57 81 SE9 29.98S TC 17
JACKSONVILLE* PTCLDY 63 54 71 SE6 29.98S TC 17
PITTSFIELD* PTCLDY 65 58 80 SE8 29.97F TC 18
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-170800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 56 50 79 SE8 30.01F TC 14
BLOOMINGTON PTCLDY 58 53 84 S10 30.03S TC 14
DECATUR PTCLDY 59 52 77 SE7 30.02S TC 15
PEORIA PTCLDY 62 54 74 S8 29.98F TC 17
LACON* PTCLDY 62 51 68 S8 29.98S TC 17
LINCOLN* PTCLDY 59 54 83 S7 30.00F TC 15
SPRINGFIELD PTCLDY 64 54 69 SE13 29.98F TC 18
TAYLORVILLE PTCLDY 61 54 77 MISG 30.01S TC 16
$$
ILZ033-039-045-046-055>057-062-063-170800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 55 32 41 SE9 30.03F TC 13
DANVILLE* PTCLDY 54 46 75 SE3 30.06S TC 12
RANTOUL* PTCLDY 54 46 76 SE3 30.04S TC 12
MATTOON PTCLDY 59 50 72 SE9 30.03S TC 15
PARIS* PTCLDY 55 46 71 SE7 30.05F TC 13
$$
ILZ079-100>102-170800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 62 56 80 MISG 30.00S TC 17
BELLEVILLE PTCLDY 62 57 84 S5 29.98S TC 17
CAHOKIA* PTCLDY 64 56 75 S5 29.99S TC 18
SPARTA* PTCLDY 64 57 76 SE8 30.01F TC 18
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 60 56 86 CALM 30.01S TC 16
CAIRO* CLEAR 63 58 84 CALM 30.01S TC 17
EFFINGHAM* PTCLDY 58 54 85 E5 30.05S TC 15
MARION PTCLDY 61 54 75 E5 30.02F TC 16
MT. VERNON PTCLDY 61 56 83 E6 30.02F TC 16
CENTRALIA* PTCLDY 61 54 78 SE6 30.02S TC 16
SALEM* PTCLDY 63 55 75 SE5 30.02F TC 17
METROPOLIS* CLEAR 61 53 76 CALM 30.02S TC 16
$$
ILZ067-068-072-073-078-083-087-091-170800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 53 49 86 E5 30.05S TC 12
FLORA* PTCLDY 55 54 94 SE5 30.04S TC 13
FAIRFIELD* PTCLDY 59 53 79 E3 30.03F TC 15
HARRISBURG* CLEAR 60 54 79 MISG 30.03S TC 16
ROBINSON* PTCLDY 52 52 100 E1 30.05S TC 11
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$