Regional Weather Roundup
Issued by NWS
Issued by NWS
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702
ASUS43 KLOT 171001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-171100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 64 55 72 S10 29.93S TC 18
STERLING* MOCLDY 61 55 81 CALM 29.97S TC 16
$$
ILZ003-004-008-010-011-017-018-171100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 58 50 75 SE8 29.99R TC 14
ROCHELLE* MOCLDY 57 50 76 S6 29.99R TC 14
DE KALB* PTCLDY 56 50 81 S13 30.00S TC 13
PERU* PTCLDY 58 52 81 SE8 29.98S TC 14
$$
ILZ005-006-012>014-019>023-171100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 57 42 57 S9 29.99F TC 14
CHICAGO-MIDWAY CLOUDY 57 42 57 S7 30.01S TC 14
AURORA PTCLDY 56 48 74 S8 30.00S TC 13
JOLIET* PTCLDY 57 46 67 S5 30.02R TC 14
WAUKEGAN CLOUDY 59 42 53 SW9 29.99R TC 15
DUPAGE AIRPORT PTCLDY 56 45 66 S8 29.99S TC 13
WHEELING MOCLDY 58 43 57 S9 30.01S TC 14
MORRIS* MOCLDY 57 49 74 S7 30.00S TC 14
ROMEOVILLE* MOCLDY 55 45 67 S9 30.02S TC 13
LANSING* PTCLDY 54 37 53 SE5 30.03S TC 12
NORTHERLY ISL* N/A 58 40 51 S9 N/A TC 14
$$
LMZ740>746-171100-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 63 64 170/ 19/ 21 1015.8
WINTHROP HARBOR 62 61 N/A 3/ 5
WAUKEGAN HARBOR 62 62 N/A 3/ 4
WILMETTE BUOY 63 170/ 16/ 21 1016.7F 2/ 4
CHICAGO BUOY 61 170/ 12/ 16 1017.0F 2/ 3
HARRISON CRIB 61 180/ 17/ 19 N/A
NORTHERLY ISL 58 200/ 4/ 7 N/A
CALUMET HARBOR 57 160/ 7/ 10 1015.4
BURNS HARBOR 57 170/ 4/ 8 1017.3F
MICHIGAN CITY 56 150/ 11/ 13 1016.3S
ST. JOSEPH BUOY 56 56 110/ 16/ 21 1017.8F 1/ 2
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-171100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 64 58 80 S8 29.96R TC 18
GALESBURG* PTCLDY 60 54 79 SE5 29.97S TC 16
MACOMB* PTCLDY 60 56 88 S6 29.99R TC 15
JACKSONVILLE* PTCLDY 62 54 76 SE8 29.98S TC 17
PITTSFIELD* MOCLDY 63 57 82 SE7 29.98R TC 17
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-171100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 57 51 80 S10 30.02R TC 14
DECATUR PTCLDY 58 50 75 S8 30.02R TC 14
PEORIA PTCLDY 60 53 77 S9 29.98S TC 16
LACON* PTCLDY 60 51 74 S5 29.98S TC 15
LINCOLN* PTCLDY 59 53 80 S6 30.00S TC 15
SPRINGFIELD PTCLDY 61 53 75 S13 30.00R TC 16
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-171100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 53 32 44 SE9 30.03S TC 12
DANVILLE* PTCLDY 52 46 78 SE7 30.05F TC 11
MATTOON PTCLDY 55 48 77 SE8 30.02S TC 13
PARIS* PTCLDY 52 45 77 SE5 30.05S TC 11
$$
ILZ079-100>102-171100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 59 55 85 MISG 30.01R TC 15
BELLEVILLE MOCLDY 61 56 82 S5 29.98R TC 16
CAHOKIA* MOCLDY 60 56 86 CALM 30.00R TC 16
SPARTA* PTCLDY 62 57 82 SE6 30.01R TC 17
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 58 54 86 SE6 30.00S TC 14
CAIRO* CLEAR 59 56 91 CALM 30.01S TC 15
EFFINGHAM* PTCLDY 56 51 83 E5 30.05R TC 13
MARION CLEAR 58 51 77 CALM 30.02S TC 15
MT. VERNON PTCLDY 58 53 84 CALM 30.03R TC 14
CENTRALIA* PTCLDY 60 51 72 SE6 30.02R TC 16
SALEM* PTCLDY 60 53 77 SE5 30.02R TC 16
METROPOLIS* PTCLDY 57 51 81 CALM 30.02R TC 14
$$
ILZ067-068-072-073-078-083-087-091-171100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 52 47 83 E7 30.04S TC 11
FLORA* PTCLDY 55 52 88 SE3 30.03S TC 13
FAIRFIELD* PTCLDY 55 50 84 CALM 30.02S TC 13
HARRISBURG* PTCLDY 57 51 80 MISG 30.02S TC 14
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$