898
ASUS43 KLOT 180701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-180800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 43 32 65 S8 30.39F TC 6
STERLING* CLEAR 43 33 68 CALM 30.42S TC 6
SAVANNA* CLEAR 39 34 80 S6 30.39S WCI 35 TC 4
ILZ003-004-008-010-011-017-018-180800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 41 34 76 S6 30.41F TC 5
FREEPORT* CLEAR 42 35 75 S9 30.40S TC 6
DE KALB* CLEAR 41 36 82 S8 30.42F TC 5
ILZ005-006-012>014-019>023-180800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 45 35 68 S6 30.41S TC 7
CHICAGO-MIDWAY CLEAR 45 32 60 S8 30.43S TC 7
AURORA CLEAR 41 36 82 S6 30.42S TC 5
JOLIET* CLEAR 39 39 99 S3 30.45R TC 4
WAUKEGAN CLEAR 42 36 79 SW8 30.39S TC 6
DUPAGE AIRPORT CLEAR 42 36 79 S8 30.42S TC 6
KANKAKEE* CLEAR 39 30 72 S5 30.47S TC 4
WHEELING CLEAR 45 36 70 SW7 30.43S TC 7
ROMEOVILLE* CLEAR 39 37 93 S6 30.44S WCI 35 TC 4
NORTHERLY ISL* N/A 47 30 52 S8 N/A TC 8
LMZ740>746-180800-
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 49 56 1023.3R
WAUKEGAN HARBOR 49 57 220/ 16/ 21 1027.4S 1/ 3
WILMETTE BUOY 51 170/ 16/ 19 1028.9F 2/ 3
CHICAGO BUOY 52 59 210/ 16/ 19 1028.9S 1/ 3
HARRISON CRIB 51 210/ 19/ 21 N/A
NORTHERLY ISL 47 190/ 8/ 10 N/A
CALUMET HARBOR 47 180/ 7/ 10 1030.5
MICHIGAN CITY 47 180/ 10/ 13 1030.7R
MICH CITY BUOY 51 60 200/ 14/ 19 N/A 1/ 3
ST. JOSEPH BUOY 53 59 200/ 16/ 19 1031.3F 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-180800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 43 33 68 S6 30.42S TC 6
GALESBURG* CLEAR 39 36 88 S6 30.43S WCI 35 TC 4
MACOMB* CLEAR 38 35 87 S7 30.45S WCI 33 TC 3
JACKSONVILLE* CLEAR 41 34 76 SE6 30.45S TC 5
PITTSFIELD* CLEAR 41 34 78 CALM 30.45S TC 5
ILZ028>032-037-038-041>044-048-051>054-059>061-180800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 39 34 82 S7 30.46F WCI 34 TC 4
DECATUR CLEAR 38 34 85 CALM 30.47S TC 3
PEORIA CLEAR 40 37 89 CALM 30.44F TC 4
LACON* CLEAR 41 33 74 S5 30.43F TC 5
SPRINGFIELD CLEAR 39 34 82 S7 30.45F WCI 34 TC 4
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 36 31 82 SE5 30.48R WCI 32 TC 2
RANTOUL* CLEAR 37 32 82 CALM 30.48S TC 3
MATTOON CLEAR 38 32 79 S6 30.47S WCI 33 TC 3
ILZ079-100>102-180800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLEAR 39 38 96 CALM 30.46S TC 4
SPARTA* CLEAR 40 39 97 CALM 30.48S TC 5
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 38 37 97 CALM 30.47F TC 3
CAIRO* CLEAR 39 39 98 CALM 30.48S TC 4
EFFINGHAM* CLEAR 37 36 94 CALM 30.50S TC 3
MT. VERNON CLEAR 35 35 100 CALM 30.48F TC 2
CENTRALIA* CLEAR 37 36 97 E3 30.48S FOG TC 3
SALEM* CLEAR 39 37 91 MISG 30.48S TC 4
ILZ067-068-072-073-078-083-087-091-180800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A N/A N/A N/A MISG 30.50R
FLORA* CLEAR 37 37 100 CALM 30.49S TC 3
FAIRFIELD* CLEAR 39 35 87 CALM 30.49S TC 4
HARRISBURG* CLEAR 37 36 97 CALM 30.49S TC 3
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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