435
ASUS43 KLOT 200906
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-201000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE FAIR 42 35 76 CALM 29.95F TC 6
STERLING* FAIR 37 37 100 CALM 29.98S TC 3
ILZ003-004-008-010-011-017-018-201000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD FAIR 37 34 89 SE5 29.98S WCI 33 TC 3
ROCHELLE* FAIR 34 32 92 SE3 29.97S TC 1
DE KALB* FAIR 42 34 74 W8 29.98R TC 6
PERU* FAIR 40 36 87 S6 29.99R TC 4
ILZ005-006-012>014-019>023-201000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE FAIR 42 34 73 W6 29.96R TC 6
CHICAGO-MIDWAY FAIR 43 36 76 SW5 29.97S TC 6
AURORA FAIR 33 33 100 CALM 29.97S TC 1
JOLIET* FAIR 36 36 99 CALM 29.99S TC 2
WAUKEGAN FAIR 41 35 79 W6 29.95R TC 5
DUPAGE AIRPORT FAIR 39 33 79 CALM 29.96S TC 4
KANKAKEE* FAIR 37 36 93 CALM 30.01S TC 3
WHEELING FAIR 41 35 79 CALM 29.98R TC 5
MORRIS* FAIR 38 36 91 CALM 29.98S TC 4
ROMEOVILLE* FAIR 37 34 87 SE3 29.99S TC 3
LANSING* FAIR 39 31 73 CALM 29.99S TC 4
NORTHERLY ISL* N/A 47 36 65 W8 N/A TC 8
LMZ740>746-201000-
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 55 63 290/ 14/ 16 1013.5
WINTHROP HARBOR 47 58 N/A 2/ 7
WAUKEGAN HARBOR 48 57 N/A 2/ 7
WILMETTE BUOY 52 290/ 14/ 17 1014.5R 3/ 7
CHICAGO BUOY 53 260/ 10/ 12 N/A 3/ 7
HARRISON CRIB 50 260/ 14/ 16 N/A
NORTHERLY ISL 47 250/ 8/ 10 N/A
BURNS HARBOR 47 210/ 5/ 6 1015.6R
MICHIGAN CITY 56 300/ 11/ 13 1013.5R
ST. JOSEPH BUOY 56 57 280/ 16/ 23 1014.6R 6/ 6
ILZ025>027-034>036-040-047-049-050-058-095>099-201000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY FAIR 43 35 73 S7 29.99F TC 6
GALESBURG* FAIR 39 34 81 CALM 29.99S TC 4
MACOMB* FAIR 39 34 81 S3 30.01S TC 4
JACKSONVILLE* FAIR 44 33 65 S5 30.02S TC 7
PITTSFIELD* FAIR 46 36 68 S6 30.03S TC 8
ILZ028>032-037-038-041>044-048-051>054-059>061-201000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC FAIR 37 34 89 CALM 30.01R TC 3
BLOOMINGTON FAIR 41 36 82 SW10 30.03R TC 5
DECATUR FAIR 39 36 89 SW7 30.04S WCI 34 TC 4
PEORIA FAIR 42 37 82 CALM 30.00F TC 6
LACON* FAIR 42 35 75 CALM 29.99S TC 5
LINCOLN* FAIR 43 35 74 CALM 30.03S TC 6
SPRINGFIELD FAIR 43 35 73 CALM 30.02F TC 6
TAYLORVILLE FAIR 39 36 87 MISG 30.05S TC 4
ILZ033-039-045-046-055>057-062-063-201000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN FAIR 37 34 89 SW7 30.04R WCI 32 TC 3
DANVILLE* FAIR 39 36 89 SW5 30.04R TC 4
RANTOUL* FAIR 39 36 87 SW3 30.03R TC 4
MATTOON FAIR 45 37 73 SW7 30.04S TC 7
PARIS* FAIR 42 36 76 CALM 30.05S TC 6
ILZ079-100>102-201000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON FAIR 42 39 89 MISG 30.06S TC 6
BELLEVILLE CLEAR 43 39 86 CALM 30.05S TC 6
CAHOKIA* FAIR 40 40 100 CALM 30.05F TC 4
SPARTA* FAIR 44 39 83 CALM 30.09S TC 7
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE FAIR 42 40 92 S3 30.09S TC 6
CAIRO* FAIR 42 41 99 CALM 30.12R TC 5
EFFINGHAM* FAIR 40 40 98 CALM 30.08S TC 5
MARION FAIR 42 41 96 CALM 30.10S TC 6
MT. VERNON FAIR 39 39 100 CALM 30.09S TC 4
CENTRALIA* FAIR 43 39 86 SE3 30.07F TC 6
SALEM* FAIR 45 39 81 CALM 30.07F TC 7
METROPOLIS* FAIR 39 38 97 CALM 30.12S TC 4
ILZ067-068-072-073-078-083-087-091-201000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE FAIR 39 36 89 S5 30.08S TC 4
FLORA* FAIR 41 37 87 SW5 30.08S TC 5
FAIRFIELD* FAIR 39 38 96 CALM 30.09S TC 4
HARRISBURG* FAIR 40 39 97 MISG 30.10F TC 5
ROBINSON* FAIR 45 39 81 SW5 30.06S TC 7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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