355
ASUS43 KLOT 180606
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT TUE AUG 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.
ILZ001-002-007-009-015-016-024-180700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 64 63 96 CALM 30.04R TC 18
6HR MIN TEMP: 64; 6HR MAX TEMP: 79;
STERLING* PTCLDY 64 64 100 CALM 30.05S TC 18
SAVANNA* PTCLDY 63 61 94 S5 30.04R TC 17
ILZ003-004-008-010-011-017-018-180700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 63 61 93 SE3 30.04R TC 17
6HR MIN TEMP: 63; 6HR MAX TEMP: 78;
FREEPORT* PTCLDY 64 63 94 SW6 30.05S TC 18
ROCHELLE* CLEAR 60 59 95 CALM 30.05S TC 16
DE KALB* MOCLDY 67 62 82 SW7 30.05S TC 20
PERU* CLEAR 66 66 100 CALM 30.05S TC 19
ILZ005-006-012>014-019>023-180700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 68 59 73 SW7 30.02R TC 20
6HR MIN TEMP: 68; 6HR MAX TEMP: 77;
CHICAGO-MIDWAY CLEAR 68 59 73 SW7 30.03R TC 20
6HR MIN TEMP: 68; 6HR MAX TEMP: 75;
AURORA MOCLDY 65 63 93 S3 30.04R TC 18
6HR MIN TEMP: 63; 6HR MAX TEMP: 76;
WAUKEGAN CLEAR 65 61 87 SW8 30.01S TC 18
6HR MIN TEMP: 63; 6HR MAX TEMP: 74;
DUPAGE AIRPORT CLEAR 65 62 90 S5 30.03R TC 18
6HR MIN TEMP: 65; 6HR MAX TEMP: 76;
KANKAKEE* CLEAR 63 62 95 CALM 30.06S TC 17
WHEELING PTCLDY 67 59 75 S3 30.03S TC 19
6HR MIN TEMP: 66; 6HR MAX TEMP: 75;
ROMEOVILLE* CLEAR 66 64 94 S7 30.05S TC 19
LANSING* CLEAR 62 60 92 CALM 30.04S TC 17
NORTHERLY ISL* N/A 71 55 56 W6 N/A TC 22
LMZ740>746-180700-
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 71 74 210/ 10/ 12 1015.7S 1/ 5
WAUKEGAN HARBOR 72 74 230/ 12/ 14 1016.7R 1/ 5
WILMETTE BUOY 73 230/ 10/ 14 1019.3R 1/ 5
CHICAGO BUOY 74 73 1015.7R 1/ 4
HARRISON CRIB 74 210/ 10/ 11 N/A
NORTHERLY ISL 71 240/ 4/ 5 N/A
CALUMET HARBOR 69 210/ 4/ 5 1016.9
MICHIGAN CITY 69 210/ 5/ 6 1015.5
MICH CITY BUOY 72 74 230/ 8/ 10 N/A 1/ 4
ST. JOSEPH BUOY 73 74 240/ 8/ 10 1017.3S 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-180700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 66 64 93 S5 30.07S TC 19
GALESBURG* MOCLDY 64 64 100 CALM 30.07S TC 18
JACKSONVILLE* CLEAR 64 64 100 CALM 30.08R TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-180700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 63 63 100 CALM 30.06S TC 17
BLOOMINGTON CLEAR 65 63 93 SW5 30.08R TC 18
DECATUR PTCLDY 65 63 93 CALM 30.07S TC 18
PEORIA CLEAR 68 65 90 W3 30.06R TC 20
6HR MIN TEMP: 67; 6HR MAX TEMP: 78;
LACON* CLEAR 65 63 93 CALM 30.05S TC 18
LINCOLN* CLEAR 66 66 100 CALM 30.07S TC 19
SPRINGFIELD CLEAR 65 64 97 CALM 30.07R TC 18
6HR MIN TEMP: 65; 6HR MAX TEMP: 77;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 63 62 97 W3 30.07R TC 17
RANTOUL* CLEAR 64 63 99 CALM 30.07R TC 18
MATTOON PTCLDY 67 63 87 W5 30.05F TC 19
PARIS* PTCLDY 65 64 97 CALM 30.06S TC 18
ILZ079-100>102-180700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 67 66 96 CALM 30.08S TC 20
BELLEVILLE CLEAR 69 68 97 CALM 30.04F TC 20
CAHOKIA* CLEAR 68 67 96 SE5 30.06F TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 68 67 98 CALM 30.06F TC 20
EFFINGHAM* PTCLDY 65 65 100 CALM 30.07F TC 18
MT. VERNON PTCLDY 64 64 100 CALM 30.06F FOG TC 18
SALEM* N/A 67 67 100 MISG 30.07S TC 20
METROPOLIS* CLEAR 65 64 97 CALM 30.06F TC 19
ILZ067-068-072-073-078-083-087-091-180700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 67 64 90 NW3 30.04R TC 19
FLORA* PTCLDY 66 64 94 NW5 30.06S TC 19
FAIRFIELD* PTCLDY 65 65 99 NW5 30.06S TC 19
HARRISBURG* PTCLDY 65 65 100 CALM 30.06S TC 19
ROBINSON* PTCLDY 66 66 100 NW1 30.04S TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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