078
ASUS43 KLOT 180806
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-180900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 41 32 70 S7 30.39S TC 5
STERLING* CLEAR 43 33 68 CALM 30.42S TC 6
SAVANNA* CLEAR 40 33 77 S8 30.40S TC 4
ILZ003-004-008-010-011-017-018-180900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 40 34 79 S6 30.41S TC 4
FREEPORT* CLEAR 40 35 80 S7 30.40S TC 5
ROCHELLE* CLEAR 38 37 96 S5 30.42S WCI 34 TC 3
DE KALB* CLEAR 38 35 89 S8 30.42S WCI 32 TC 3
ILZ005-006-012>014-019>023-180900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 44 35 70 S7 30.41S TC 7
CHICAGO-MIDWAY CLEAR 44 32 62 SW7 30.43S TC 7
AURORA CLEAR 40 36 86 S5 30.42S TC 4
JOLIET* CLEAR 39 39 99 CALM 30.45S TC 4
WAUKEGAN CLEAR 42 36 79 SW10 30.39S TC 6
DUPAGE AIRPORT CLEAR 42 35 76 S8 30.42S TC 6
KANKAKEE* CLEAR 38 31 73 S7 30.47F WCI 33 TC 4
WHEELING MOCLDY 45 35 68 SW8 30.43S TC 7
ROMEOVILLE* CLEAR 39 37 93 S7 30.45S WCI 34 TC 4
NORTHERLY ISL* N/A 46 31 56 SW7 N/A TC 8
LMZ740>746-180900-
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 48 56 1023.5R
WAUKEGAN HARBOR 49 56 220/ 14/ 21 1027.5R 1/ 3
WILMETTE BUOY 51 170/ 16/ 21 1029.4R 2/ 3
CHICAGO BUOY 51 58 220/ 16/ 21 1029.0R 1/ 3
HARRISON CRIB 50 200/ 17/ 20 N/A
NORTHERLY ISL 47 180/ 6/ 11 N/A
CALUMET HARBOR 46 170/ 6/ 9 1030.5
MICHIGAN CITY 46 180/ 12/ 15 1031.0R
MICH CITY BUOY 50 60 190/ 16/ 19 N/A 2/ 3
ST. JOSEPH BUOY 52 59 200/ 16/ 19 1031.4R 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-180900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 42 33 70 S6 30.42S TC 6
GALESBURG* CLEAR 39 36 89 S5 30.43S TC 4
MACOMB* CLEAR 40 35 85 S8 30.45S TC 4
JACKSONVILLE* CLEAR 41 34 76 S5 30.45S TC 5
PITTSFIELD* CLEAR 38 35 89 CALM 30.45S TC 3
ILZ028>032-037-038-041>044-048-051>054-059>061-180900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 35 34 95 S5 30.46S WCI 31 TC 2
BLOOMINGTON CLEAR 38 33 82 S8 30.46S WCI 32 TC 3
DECATUR CLEAR 36 34 92 CALM 30.48R TC 2
PEORIA CLEAR 40 35 83 S3 30.44S HAZE TC 4
LACON* CLEAR 40 33 76 SE5 30.43S TC 5
SPRINGFIELD CLEAR 41 33 73 S3 30.46R TC 5
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 35 30 82 SE5 30.48S WCI 31 TC 2
RANTOUL* CLEAR 36 32 87 CALM 30.48S TC 2
MATTOON CLEAR 37 33 85 S5 30.48R WCI 33 TC 3
PARIS* CLEAR 33 30 87 CALM 30.50S TC 1
ILZ079-100>102-180900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 38 36 94 CALM 30.47S FOG TC 3
BELLEVILLE CLEAR 40 39 98 CALM 30.46S TC 4
CAHOKIA* CLEAR 38 37 97 CALM 30.46S TC 3
SPARTA* CLEAR 39 38 97 CALM 30.49S TC 4
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 38 37 97 CALM 30.48R TC 3
CAIRO* CLEAR 39 39 99 CALM 30.48S TC 4
EFFINGHAM* CLEAR 37 35 94 CALM 30.50F TC 3
MT. VERNON CLEAR 34 34 100 CALM 30.49R TC 1
CENTRALIA* CLEAR 36 35 97 E3 30.49R FOG TC 2
SALEM* CLEAR 40 38 94 MISG 30.48S TC 4
METROPOLIS* CLEAR 37 37 97 CALM 30.48S TC 3
ILZ067-068-072-073-078-083-087-091-180900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A N/A N/A N/A MISG 30.50S
FLORA* CLEAR 37 N/A N/A CALM 30.50R TC 3
FAIRFIELD* CLEAR 41 34 76 CALM 30.49S TC 5
HARRISBURG* CLEAR 37 36 99 CALM 30.49S TC 3
ROBINSON* CLEAR 34 34 100 W1 30.50S TC 1
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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