273
ASUS43 KLOT 190412
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT SUN OCT 18 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.
ILZ001-002-007-009-015-016-024-190500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 47 38 71 S5 30.34R TC 8
STERLING* CLEAR 48 36 63 CALM 30.37R TC 9
SAVANNA* CLEAR 47 39 75 S7 30.35R TC 8
ILZ003-004-008-010-011-017-018-190500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 47 37 68 S6 30.37R TC 8
FREEPORT* CLEAR 46 40 79 S8 30.36S TC 8
ROCHELLE* CLEAR 38 36 91 S6 30.37S WCI 34 TC 3
DE KALB* CLEAR 42 37 80 S9 30.38R TC 6
ILZ005-006-012>014-019>023-190500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 52 36 54 S6 30.37R TC 11
CHICAGO-MIDWAY CLEAR 53 36 52 S6 30.37S TC 12
AURORA CLEAR 47 36 65 S6 30.37S TC 8
JOLIET* CLEAR 46 40 82 S3 30.39S TC 8
WAUKEGAN CLEAR 49 37 63 S9 30.35R TC 9
DUPAGE AIRPORT CLEAR 49 37 63 S7 30.37S TC 9
KANKAKEE* CLEAR 43 35 73 CALM 30.40S TC 6
WHEELING PTCLDY 49 36 61 S5 30.38R TC 9
ROMEOVILLE* CLEAR 46 37 71 S7 30.39S TC 8
LANSING* CLEAR 46 35 65 CALM 30.39S TC 8
NORTHERLY ISL* N/A 55 35 47 S13 N/A TC 13
LMZ740>746-190500-
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 55 56 1024.9
WAUKEGAN HARBOR 55 55 200/ 12/ 16 1026.1 1/ 3
WILMETTE BUOY 58 170/ 14/ 17 1027.1R 1/ 3
CHICAGO BUOY 58 58 200/ 12/ 17 1027.0 1/ 3
HARRISON CRIB 58 200/ 14/ 17 N/A
NORTHERLY ISL 56 200/ 10/ 11 N/A
CALUMET HARBOR 54 170/ 7/ 10 1028.4
MICHIGAN CITY 55 180/ 7/ 11 1027.9F
MICH CITY BUOY 56 59 210/ 10/ 16 N/A 1
ST. JOSEPH BUOY 56 59 190/ 8/ 10 1029.3F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-190500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 50 37 61 S7 30.34S TC 10
GALESBURG* CLEAR 47 39 73 SE5 30.37R TC 9
MACOMB* CLEAR 45 39 79 S6 30.38R TC 7
JACKSONVILLE* CLEAR 48 37 65 SE6 30.37S TC 9
PITTSFIELD* CLEAR 50 38 64 CALM 30.37S TC 10
ILZ028>032-037-038-041>044-048-051>054-059>061-190500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 41 36 83 SE5 30.39S TC 5
BLOOMINGTON CLEAR 45 38 76 S9 30.40R TC 7
DECATUR CLEAR 47 38 71 S6 30.39F TC 8
PEORIA CLEAR 49 37 63 S7 30.37S TC 9
LACON* CLEAR 47 36 64 SE6 30.37S TC 8
SPRINGFIELD CLEAR 47 37 68 S8 30.38S TC 8
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-190500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 44 36 73 SE6 30.40S TC 7
RANTOUL* CLEAR 44 36 74 CALM 30.40S TC 7
MATTOON CLEAR 45 39 79 S5 30.39S TC 7
PARIS* CLEAR 40 36 84 CALM 30.41F TC 5
ILZ079-100>102-190500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 46 39 76 E3 30.38F TC 8
BELLEVILLE CLEAR 45 44 96 CALM 30.37S TC 7
CAHOKIA* CLEAR 42 41 96 S3 30.38S TC 6
SPARTA* CLEAR 44 43 96 CALM 30.39F TC 7
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 45 44 97 CALM 30.39S TC 7
CAIRO* CLEAR 46 46 98 CALM 30.39S TC 8
EFFINGHAM* CLEAR 43 41 94 CALM 30.41F TC 6
MARION CLEAR 46 39 76 CALM 30.39S TC 8
MT. VERNON CLEAR 40 39 97 CALM 30.39F TC 4
CENTRALIA* CLEAR 41 38 89 CALM 30.39F TC 5
SALEM* CLEAR 46 41 84 MISG 30.40S TC 8
METROPOLIS* CLEAR 44 44 98 CALM 30.40S TC 7
ILZ067-068-072-073-078-083-087-091-190500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A N/A N/A N/A MISG 30.41S
FLORA* CLEAR 43 41 93 CALM 30.40F TC 6
FAIRFIELD* CLEAR 46 39 77 CALM 30.40S TC 8
HARRISBURG* CLEAR 44 41 91 CALM 30.41S TC 7
ROBINSON* CLEAR 39 39 100 CALM 30.40F FOG TC 4
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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