578
ASUS43 KLOT 181301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM 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.
ILZ001-002-007-009-015-016-024-181400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 43 35 73 S12 30.43R TC 6
STERLING* CLEAR 43 35 73 VRB5 30.45S TC 6
SAVANNA* CLEAR 39 36 87 S8 30.43S WCI 34 TC 4
ILZ003-004-008-010-011-017-018-181400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 39 35 86 S6 30.45S WCI 35 TC 4
FREEPORT* CLEAR 43 37 80 S9 30.43S TC 6
DE KALB* CLEAR 39 36 87 S10 30.45S WCI 32 TC 4
ILZ005-006-012>014-019>023-181400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 43 32 65 S8 30.45S TC 6
CHICAGO-MIDWAY PTCLDY 44 30 57 S12G23 30.47S TC 7
AURORA CLEAR 37 35 92 CALM 30.46S TC 3
JOLIET* CLEAR 40 36 86 CALM 30.49S TC 4
WAUKEGAN CLEAR 43 36 76 SW10 30.43S TC 6
DUPAGE AIRPORT CLEAR 40 34 79 S7 30.46S TC 4
KANKAKEE* CLEAR 38 31 75 S5 30.51S WCI 35 TC 3
WHEELING CLEAR 45 33 63 SW7 30.46S TC 7
NORTHERLY ISL* N/A 45 29 53 S10 N/A TC 7
LMZ740>746-181400-
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 47 57 1027.3S
WAUKEGAN HARBOR 47 55 220/ 14/ 21 1028.4S 2/ 4
WILMETTE BUOY 49 180/ 16/ 21 1031.5R 2/ 4
CHICAGO BUOY 49 58 220/ 16/ 19 1030.3R 1/ 2
HARRISON CRIB 48 210/ 15/ 18 N/A
NORTHERLY ISL 44 170/ 6/ 8 N/A
CALUMET HARBOR 44 200/ 7/ 9 1031.8R
MICHIGAN CITY 44 180/ 11/ 14 1032.6R
MICH CITY BUOY 47 59 200/ 12/ 17 N/A 1/ 3
ST. JOSEPH BUOY 49 59 200/ 14/ 17 1032.9R 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 43 35 73 S7 30.45S TC 6
GALESBURG* CLEAR 38 37 92 S6 30.46S WCI 34 TC 4
MACOMB* CLEAR 41 38 91 S9 30.49R TC 5
JACKSONVILLE* CLEAR 42 35 74 S7 30.48S TC 6
ILZ028>032-037-038-041>044-048-051>054-059>061-181400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 38 34 85 S7 30.50R WCI 33 TC 3
DECATUR CLEAR 38 33 82 SW5 30.51R WCI 34 TC 3
PEORIA CLEAR 39 35 86 S3 30.48R TC 4
LACON* CLEAR 40 32 73 S5 30.47S TC 5
SPRINGFIELD CLEAR 42 35 76 S8 30.49R TC 6
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 38 33 82 S7 30.51R WCI 33 TC 3
MATTOON CLEAR 39 33 79 S5 30.51R TC 4
ILZ079-100>102-181400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 37 36 93 CALM 30.51R TC 3
CAHOKIA* CLEAR 38 38 100 CALM 30.50S TC 3
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 35 34 96 CALM 30.52R TC 2
CAIRO* CLEAR 40 40 100 CALM 30.52R TC 5
EFFINGHAM* CLEAR 37 36 94 CALM 30.54R TC 3
MT. VERNON CLEAR 34 34 100 CALM 30.53R TC 1
CENTRALIA* N/A 38 37 97 SE3 30.52 TC 3
SALEM* CLEAR 40 37 87 MISG 30.51S TC 5
ILZ067-068-072-073-078-083-087-091-181400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A N/A N/A N/A MISG 30.54R
FLORA* CLEAR 37 37 100 CALM 30.54R TC 3
FAIRFIELD* CLEAR 40 37 89 CALM 30.53R TC 4
HARRISBURG* CLEAR 38 38 100 CALM 30.53R TC 3
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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