987
ASUS43 KLOT 171101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT SAT OCT 17 2026
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.
ILZ001-002-007-009-015-016-024-171200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 34 33 96 S3 30.54R TC 1
STERLING* CLEAR 36 31 82 N3 30.54S TC 2
SAVANNA* CLEAR 32 31 96 CALM 30.54S TC 0
ILZ003-004-008-010-011-017-018-171200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 32 31 96 CALM 30.53S TC 0
FREEPORT* CLEAR 31 29 95 CALM 30.54S TC -1
DE KALB* CLEAR 34 31 90 NW3 30.52S TC 1
ILZ005-006-012>014-019>023-171200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 40 28 62 NW9 30.48R TC 4
CHICAGO-MIDWAY PTCLDY 41 30 65 NW9 30.49R TC 5
AURORA CLEAR 34 32 92 NW3 30.50R TC 1
JOLIET* CLEAR 39 32 78 N6 30.51R WCI 34 TC 4
WAUKEGAN CLEAR 36 30 79 NW6 30.49R WCI 31 TC 2
DUPAGE AIRPORT CLEAR 36 30 79 N7 30.50R WCI 30 TC 2
WHEELING PTCLDY 38 29 70 NW7 30.50R WCI 33 TC 3
ROMEOVILLE* CLEAR 39 32 75 NW6 30.50R WCI 35 TC 4
LANSING* LGT RAIN 42 35 75 N3 30.50R TC 5
NORTHERLY ISL* N/A 45 36 70 NW10 N/A TC 7
LMZ740>746-171200-
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)
WINTHROP HARBOR 43 55 1022.2R
WAUKEGAN HARBOR 42 55 290/ 16/ 19 1029.8R 3/ 7
WILMETTE BUOY 49 1023.7F 6/ 9
CHICAGO BUOY 48 60 340/ 14/ 21 1030.6R 5/ 7
HARRISON CRIB 46 320/ 19/ 21 N/A
NORTHERLY ISL 45 310/ 11/ 14 N/A
CALUMET HARBOR 43 260/ 4/ 9 1031.8
MICHIGAN CITY 43 70/ 11/ 13 1031.6R
MICH CITY BUOY 49 60 40/ 16/ 23 N/A 7/ 7
ST. JOSEPH BUOY 46 59 60/ 14/ 19 1032.3R 6/ 7
ILZ025>027-034>036-040-047-049-050-058-095>099-171200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 36 34 92 N3 30.54R TC 2
GALESBURG* CLEAR 33 33 100 CALM 30.55R TC 1
MACOMB* CLEAR 35 34 99 N6 30.56R WCI 29 TC 1
ILZ028>032-037-038-041>044-048-051>054-059>061-171200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 37 33 85 N9 30.51R WCI 30 TC 3
DECATUR CLEAR 39 36 89 N10 30.50R WCI 32 TC 4
PEORIA CLEAR 36 34 92 N3 30.53R TC 2
LACON* CLEAR 34 32 93 CALM 30.53R TC 1
SPRINGFIELD CLEAR 38 35 89 N8 30.52R WCI 32 TC 3
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-171200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 39 34 82 N8 30.48R WCI 33 TC 4
MATTOON CLEAR 38 36 92 N7 30.47R WCI 33 TC 3
ILZ079-100>102-171200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLEAR 43 38 82 N5 30.51R TC 6
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 46 42 86 N9 30.47R TC 8
CAIRO* CLEAR 47 45 92 N7 30.47R TC 9
EFFINGHAM* CLEAR 42 37 84 N5 30.50R TC 6
MT. VERNON CLEAR 44 39 82 N5 30.48R TC 7
CENTRALIA* CLEAR 43 39 85 N7 30.49R TC 6
SALEM* CLEAR 43 40 89 MISG 30.49R TC 6
ILZ067-068-072-073-078-083-087-091-171200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 44 40 85 N7 30.46R TC 7
FLORA* CLEAR 43 39 87 N8 30.48R TC 6
FAIRFIELD* CLEAR 44 38 80 N5 30.47R TC 7
HARRISBURG* CLEAR 46 40 82 N7 30.47R TC 8
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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