819
ASUS43 KLOT 201012
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT MON OCT 20 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.
ILZ001-002-007-009-015-016-024-201100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 41 38 89 NE3 29.95S TC 5
STERLING* CLEAR 36 36 100 CALM 29.98S TC 2
ILZ003-004-008-010-011-017-018-201100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 37 34 89 SE3 29.98S TC 3
ROCHELLE* CLEAR 33 31 92 S3 29.98S TC 1
DE KALB* CLEAR 39 34 84 SW6 29.98S WCI 34 TC 4
PERU* CLEAR 39 37 91 S5 30.00R TC 4
ILZ005-006-012>014-019>023-201100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 41 34 76 SW6 29.97R TC 5
CHICAGO-MIDWAY CLEAR 43 36 76 S3 29.98R TC 6
AURORA CLEAR 32 32 100 CALM 29.98R TC 0
JOLIET* CLEAR 37 37 100 CALM 30.00R TC 3
WAUKEGAN CLEAR 41 34 76 W5 29.96R TC 5
DUPAGE AIRPORT CLEAR 38 34 85 S3 29.97R TC 3
KANKAKEE* CLEAR 37 36 93 CALM 30.03R TC 3
WHEELING CLEAR 39 35 86 CALM 29.98S TC 4
MORRIS* CLEAR 39 37 90 SW3 29.99R TC 4
ROMEOVILLE* CLEAR 37 36 93 S5 30.00R WCI 34 TC 3
LANSING* CLEAR 37 31 79 S3 30.00R TC 3
NORTHERLY ISL* N/A 47 35 63 W9 N/A TC 8
LMZ740>746-201100-
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 56 290/ 12/ 16 1014.1R 4/ 6
WINTHROP HARBOR 47 57 N/A 2/ 7
WAUKEGAN HARBOR 47 57 N/A 2/ 7
WILMETTE BUOY 51 290/ 14/ 17 1014.6R 3/ 7
CHICAGO BUOY 53 260/ 10/ 12 N/A 3/ 6
HARRISON CRIB 51 270/ 12/ 14 N/A
NORTHERLY ISL 47 270/ 7/ 11 N/A
BURNS HARBOR 47 220/ 4/ 5 1015.9R
MICHIGAN CITY 47 200/ 11/ 12 1014.9R
ST. JOSEPH BUOY 56 57 270/ 14/ 19 1015.5R 5/ 6
ILZ025>027-034>036-040-047-049-050-058-095>099-201100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 45 35 68 S6 29.98F TC 7
GALESBURG* CLEAR 40 34 79 S6 29.99R TC 4
MACOMB* CLEAR 40 35 82 S7 30.01S TC 4
JACKSONVILLE* CLEAR 44 33 65 S6 30.02S TC 7
PITTSFIELD* CLEAR 45 36 70 S5 30.02F TC 7
ILZ028>032-037-038-041>044-048-051>054-059>061-201100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 37 34 86 S3 30.02R TC 3
BLOOMINGTON CLEAR 40 35 83 SW6 30.03S TC 4
DECATUR CLEAR 40 35 83 S5 30.04S TC 4
PEORIA CLEAR 41 37 86 CALM 30.00S TC 5
LACON* CLEAR 38 35 85 CALM 29.99F TC 4
LINCOLN* CLEAR 39 36 89 CALM 30.02S TC 4
SPRINGFIELD CLEAR 42 35 76 SW3 30.03R TC 6
TAYLORVILLE CLEAR 39 36 87 MISG 30.05R TC 4
ILZ033-039-045-046-055>057-062-063-201100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 36 33 89 SW6 30.04S WCI 31 TC 2
DANVILLE* CLEAR 38 35 91 SW5 30.05S WCI 34 TC 3
RANTOUL* CLEAR 39 34 81 SW5 30.04R TC 4
MATTOON CLEAR 45 37 73 SW8 30.05R TC 7
PARIS* CLEAR 40 35 82 CALM 30.06R TC 5
ILZ079-100>102-201100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 42 38 86 MISG 30.06R TC 6
BELLEVILLE CLEAR 43 39 86 CALM 30.05S TC 6
CAHOKIA* CLEAR 39 38 96 CALM 30.06R TC 4
SPARTA* CLEAR 45 40 83 CALM 30.09R TC 7
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 41 40 96 CALM 30.09S TC 5
CAIRO* CLEAR 42 42 99 CALM 30.12R TC 6
EFFINGHAM* CLEAR 41 41 100 CALM 30.08S TC 5
MARION CLEAR 42 40 93 CALM 30.10S TC 6
MT. VERNON CLEAR 37 37 100 CALM 30.09S TC 3
CENTRALIA* CLEAR 41 40 94 S3 30.08S TC 5
SALEM* CLEAR 43 39 88 CALM 30.07S TC 6
METROPOLIS* CLEAR 40 39 97 CALM 30.12S TC 4
ILZ067-068-072-073-078-083-087-091-201100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 38 36 92 S5 30.08S WCI 34 TC 3
FLORA* CLEAR 41 37 87 S3 30.09R TC 5
FAIRFIELD* CLEAR 38 37 97 CALM 30.09S TC 4
HARRISBURG* CLEAR 39 39 97 MISG 30.11R TC 4
ROBINSON* CLEAR 43 39 87 SW3 30.07R TC 6
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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