338
ASUS43 KLOT 170303
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT FRI OCT 16 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.
ILZ001-002-007-009-015-016-024-170400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 46 37 71 NW6 30.45R TC 8
STERLING* CLEAR 45 34 65 N9 30.45R TC 7
SAVANNA* CLEAR 44 34 67 N6 30.46R TC 7
ILZ003-004-008-010-011-017-018-170400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 44 34 67 N12 30.45R TC 7
FREEPORT* CLEAR 44 36 73 N10 30.46R TC 7
DE KALB* CLEAR 43 38 82 N8 30.42R TC 6
ILZ005-006-012>014-019>023-170400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 46 37 71 N16 30.37R TC 8
CHICAGO-MIDWAY PTCLDY 48 37 65 N16 30.37R TC 9
AURORA CLEAR 43 38 82 N8 30.40R TC 6
JOLIET* CLEAR 48 40 72 N10 30.40R TC 9
WAUKEGAN CLEAR 45 36 70 N8 30.39R TC 7
DUPAGE AIRPORT CLEAR 44 38 79 N12 30.40R TC 7
KANKAKEE* CLEAR 47 37 67 N14G21 30.37R TC 9
WHEELING PTCLDY 46 37 71 N12 30.40R TC 8
LANSING* CLOUDY 49 38 66 N12G21 30.36R TC 10
NORTHERLY ISL* N/A 51 41 68 N12 N/A TC 11
LMZ740>746-170400-
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 50 55 1018.7R
WAUKEGAN HARBOR 48 53 310/ 17/ 25 1027.3R 5/ 9
WILMETTE BUOY 49 1029.2R 9/ 7
CHICAGO BUOY 52 61 1026.8R 7/ 9
HARRISON CRIB 53 360/ 30/ 34 N/A
NORTHERLY ISL 51 330/ 17/ 22 N/A
CALUMET HARBOR 52 340/ 22/ 27 1027.4
MICHIGAN CITY 52 10/ 34/ 36 1025.2R
MICH CITY BUOY 53 60 20/ 25/ 35 N/A 11/ 9
ST. JOSEPH BUOY 52 59 10/ 23/ 31 1028.1R 10/ 7
ILZ025>027-034>036-040-047-049-050-058-095>099-170400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 46 39 76 NW10 30.47R TC 8
GALESBURG* CLEAR 42 40 91 NW5 30.47R TC 6
MACOMB* CLEAR 44 40 86 N12 30.49R TC 7
JACKSONVILLE* CLOUDY 49 42 78 NW13 30.44R TC 10
ILZ028>032-037-038-041>044-048-051>054-059>061-170400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 48 42 80 N16 30.40R TC 9
DECATUR CLOUDY 51 42 71 N17G26 30.39R TC 11
PEORIA MOCLDY 48 40 73 N5 30.43R TC 9
LACON* CLEAR 46 37 71 N3 30.42R TC 8
SPRINGFIELD CLOUDY 51 45 79 NW9 30.41R TC 11
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-170400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 48 42 80 N12 30.36R TC 9
MATTOON CLOUDY 49 45 86 N16G31 30.34R TC 9
ILZ079-100>102-170400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLOUDY 52 46 80 N15 30.42R TC 11
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 51 47 86 NW10 30.37R TC 11
CAIRO* MOCLDY 52 49 90 NW8 30.37R TC 11
EFFINGHAM* CLOUDY 51 46 82 NW9G18 30.37R TC 11
MARION CLOUDY 52 46 82 NW7 30.36R TC 11
MT. VERNON PTCLDY 51 47 86 VRB5 30.36R TC 11
CENTRALIA* PTCLDY 52 46 79 N17 30.37R TC 11
SALEM* PTCLDY 52 47 81 MISG 30.36R TC 11
ILZ067-068-072-073-078-083-087-091-170400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 50 47 89 NW13 30.32R TC 10
FLORA* PTCLDY 52 46 82 NW13 30.35R TC 11
FAIRFIELD* PTCLDY 52 46 80 NW5 30.33R TC 11
HARRISBURG* MOCLDY 52 49 90 NW9 30.35R TC 11
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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