563
ASUS43 KLOT 180412
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM 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.
ILZ001-002-007-009-015-016-024-180500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 40 33 76 CALM 30.42R TC 4
STERLING* CLEAR 45 32 60 CALM 30.43S TC 7
SAVANNA* CLEAR 42 32 68 S7 30.41S TC 6
ILZ003-004-008-010-011-017-018-180500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 43 35 73 S7 30.43S TC 6
FREEPORT* CLEAR 39 32 76 S7 30.42S WCI 34 TC 4
ROCHELLE* CLEAR 39 36 88 S5 30.43S TC 4
DE KALB* CLEAR 40 36 86 S8 30.43F TC 4
ILZ005-006-012>014-019>023-180500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 46 36 68 S9 30.43S TC 8
CHICAGO-MIDWAY CLEAR 47 34 60 SW8 30.45R TC 8
AURORA CLEAR 43 36 76 S6 30.43F TC 6
JOLIET* CLEAR 40 40 99 CALM 30.46S TC 5
WAUKEGAN CLEAR 43 36 76 SW9 30.40F TC 6
DUPAGE AIRPORT CLEAR 43 35 73 S6 30.44S TC 6
KANKAKEE* CLEAR 43 30 61 S7 30.48S TC 6
WHEELING CLEAR 47 36 65 SW7 30.44S TC 8
ROMEOVILLE* CLEAR 43 39 87 S6 30.45F TC 6
NORTHERLY ISL* N/A 50 32 50 SW10 N/A TC 10
LMZ740>746-180500-
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 51 55 1023.0
WAUKEGAN HARBOR 51 57 220/ 14/ 17 1027.8 1/ 3
WILMETTE BUOY 53 180/ 14/ 17 1028.8R 1/ 3
CHICAGO BUOY 54 59 230/ 14/ 17 1029.4 1/ 3
HARRISON CRIB 53 220/ 11/ 12 N/A
NORTHERLY ISL 50 200/ 6/ 8 N/A
CALUMET HARBOR 49 190/ 6/ 7 1031.0R
MICHIGAN CITY 49 180/ 11/ 14 1031.0R
MICH CITY BUOY 52 60 210/ 14/ 17 N/A 1/ 2
ST. JOSEPH BUOY 54 59 210/ 14/ 16 1031.8R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-180500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 43 30 60 SE6 30.44S TC 6
GALESBURG* CLEAR 41 35 77 S3 30.45S TC 5
MACOMB* CLEAR 41 34 76 S7 30.47R TC 5
JACKSONVILLE* CLEAR 43 35 74 SE5 30.47R TC 6
PITTSFIELD* CLEAR 43 35 73 CALM 30.47R TC 6
ILZ028>032-037-038-041>044-048-051>054-059>061-180500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 37 35 92 CALM 30.47S TC 3
BLOOMINGTON CLEAR 42 35 76 S5 30.48S TC 6
DECATUR CLEAR 38 36 92 CALM 30.48S TC 3
PEORIA CLEAR 44 35 70 S5 30.46S TC 7
LACON* CLEAR 44 34 68 S3 30.45S TC 6
SPRINGFIELD CLEAR 41 39 93 CALM 30.47R TC 5
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 39 31 72 SE3 30.48S TC 4
RANTOUL* CLEAR 40 33 75 CALM 30.49R TC 5
MATTOON CLEAR 41 36 82 S3 30.48R TC 5
PARIS* CLEAR 37 32 81 CALM 30.50R TC 3
ILZ079-100>102-180500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 41 38 91 CALM 30.48S FOG TC 5
BELLEVILLE CLEAR 43 42 98 CALM 30.47R TC 6
CAHOKIA* CLEAR 41 40 96 CALM 30.47S FOG TC 5
SPARTA* CLEAR 42 40 94 CALM 30.50R TC 6
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 41 39 93 CALM 30.49R TC 5
CAIRO* CLEAR 43 40 91 CALM 30.49S TC 6
EFFINGHAM* CLEAR 39 38 94 CALM 30.51S TC 4
MARION CLEAR 41 37 87 SW2 30.49R TC 5
MT. VERNON CLEAR 38 37 97 CALM 30.49S TC 3
CENTRALIA* CLEAR 39 38 96 CALM 30.49S TC 4
SALEM* CLEAR 42 40 92 MISG 30.49R TC 6
METROPOLIS* CLEAR 40 37 90 CALM 30.49S TC 4
ILZ067-068-072-073-078-083-087-091-180500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 42 40 92 CALM 30.50R TC 6
FLORA* CLEAR 39 39 100 CALM 30.50R TC 4
FAIRFIELD* CLEAR 41 36 82 CALM 30.49S TC 5
HARRISBURG* CLEAR 40 39 98 CALM 30.50R TC 4
ROBINSON* CLEAR 37 36 93 CALM 30.50R TC 3
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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