004
ASUS43 KLOT 190301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-190400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 46 39 76 E3 30.33R TC 8
STERLING* CLEAR 50 37 61 SE3 30.36R TC 10
SAVANNA* CLEAR 49 39 67 S6 30.34R TC 10
ILZ003-004-008-010-011-017-018-190400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 48 38 68 S7 30.36R TC 9
FREEPORT* CLEAR 46 40 78 S7 30.36R TC 8
DE KALB* CLEAR 43 37 77 S8 30.37S TC 6
ILZ005-006-012>014-019>023-190400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 53 35 50 S7 30.36S TC 12
CHICAGO-MIDWAY CLEAR 54 36 50 S7 30.37S TC 12
AURORA CLEAR 48 37 65 S7 30.37R TC 9
JOLIET* CLEAR 50 39 64 CALM 30.38S TC 10
WAUKEGAN CLEAR 50 36 58 S9 30.34S TC 10
DUPAGE AIRPORT CLEAR 50 37 61 S6 30.37R TC 10
KANKAKEE* CLEAR 43 36 75 SE5 30.40S TC 6
WHEELING PTCLDY 53 36 52 S8 30.37S TC 12
ROMEOVILLE* CLEAR 46 37 71 SE8 30.38S TC 8
LANSING* CLEAR 47 36 65 S6 30.39S TC 8
NORTHERLY ISL* N/A 56 34 43 S10 N/A TC 13
LMZ740>746-190400-
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 56 56 1024.8F
WAUKEGAN HARBOR 56 55 200/ 6/ 8 1026.1S 1/ 3
WILMETTE BUOY 59 170/ 14/ 19 1026.8F 1/ 3
CHICAGO BUOY 58 58 200/ 14/ 17 1026.8F 1/ 3
HARRISON CRIB 59 190/ 16/ 18 N/A
NORTHERLY ISL 57 180/ 8/ 10 N/A
CALUMET HARBOR 56 170/ 9/ 11 1028.4
MICHIGAN CITY 55 170/ 8/ 9 1028.3S
MICH CITY BUOY 56 59 190/ 10/ 14 N/A 1
ST. JOSEPH BUOY 57 59 190/ 10/ 10 1029.5S 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-190400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 49 37 63 SE7 30.34S TC 9
GALESBURG* CLEAR 48 40 72 S5 30.36S TC 9
MACOMB* CLEAR 47 39 73 S7 30.37S TC 8
JACKSONVILLE* CLEAR 46 38 72 SE6 30.37S TC 8
PITTSFIELD* CLEAR 49 38 64 CALM 30.37S TC 10
ILZ028>032-037-038-041>044-048-051>054-059>061-190400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 46 38 73 S9 30.39R TC 8
DECATUR CLEAR 43 37 79 S7 30.40R TC 6
PEORIA CLEAR 50 37 61 S6 30.37R TC 10
LACON* CLEAR 47 35 64 S3 30.36S TC 8
SPRINGFIELD CLEAR 48 38 68 S7 30.38S TC 9
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-190400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 46 36 68 S9 30.40S TC 8
RANTOUL* CLEAR 46 37 70 CALM 30.41S TC 8
MATTOON CLEAR 49 38 65 S3 30.39F TC 9
ILZ079-100>102-190400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 46 41 81 SE5 30.39R TC 8
CAHOKIA* CLEAR 44 41 89 CALM 30.38R TC 7
SPARTA* CLEAR 47 42 80 CALM 30.40S TC 9
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 47 43 86 CALM 30.39S TC 8
CAIRO* CLEAR 46 45 95 CALM 30.39S TC 8
EFFINGHAM* CLEAR 44 42 93 CALM 30.42S TC 7
MT. VERNON CLEAR 41 39 93 CALM 30.41S TC 5
CENTRALIA* CLEAR 44 40 84 CALM 30.40S TC 7
SALEM* CLEAR 49 42 77 MISG 30.40S TC 9
ILZ067-068-072-073-078-083-087-091-190400-
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 39 87 CALM 30.41S TC 6
FAIRFIELD* CLEAR 48 39 70 CALM 30.41S TC 9
HARRISBURG* CLEAR 45 42 90 CALM 30.41S TC 7
ROBINSON* CLEAR 41 39 93 W1 30.41S FOG TC 5
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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