598
ASUS43 KLOT 180602
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT MON AUG 18 2025
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 MOCLDY 74 71 91 E5 30.01F TC 23
6HR MIN TEMP: 74; 6HR MAX TEMP: 87; 6HR PCP: TRACE;
ILZ003-004-008-010-011-017-018-180700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 69 66 90 E6 30.08F TC 21
6HR MIN TEMP: 69; 6HR MAX TEMP: 77;
ILZ005-006-012>014-019>023-180700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 72 68 87 E6 30.08S TC 22
6HR MIN TEMP: 72; 6HR MAX TEMP: 75;
CHICAGO-MIDWAY PTCLDY 75 68 78 NE5 30.08R TC 24
6HR MIN TEMP: 75; 6HR MAX TEMP: 78;
AURORA CLOUDY 72 67 84 E7 30.07S TC 22
6HR MIN TEMP: 72; 6HR MAX TEMP: 78;
WAUKEGAN CLOUDY 73 68 84 E6 30.07F TC 23
6HR MIN TEMP: 71; 6HR MAX TEMP: 74;
DUPAGE AIRPORT PTCLDY 72 67 84 NE6 30.08S TC 22
6HR MIN TEMP: 71; 6HR MAX TEMP: 77;
WHEELING PTCLDY 73 69 87 MISG 30.09F TC 23
6HR MIN TEMP: 72; 6HR MAX TEMP: 76;
MORRIS* MOCLDY 71 71 100 CALM 30.07R TC 22
LANSING* CLEAR 73 70 91 CALM 30.09R TC 23
NORTHERLY ISL* N/A 74 69 85 NE6 N/A TC 23
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)
S. MID LAKE BUOY 73 76 100/ 19/ 23 1018.8F
WINTHROP HARBOR 75 75 340/ 8/ 10 N/A 3/ 6
WAUKEGAN HARBOR 75 76 30/ 10/ 12 N/A 2/ 5
WILMETTE BUOY 75 40/ 10/ 14 1020.9F 3/ 6
NORTHERLY ISL 74 40/ 6/ 9 N/A
CALUMET HARBOR 74 30/ 5/ 7 1017.5S
BURNS HARBOR 75 80/ 3/ 4 1019.0S
MICHIGAN CITY 74 80/ 6/ 6 1016.8F
MICH CITY BUOY 76 78 80/ 8/ 10 1017.1F 3/ 5
ST. JOSEPH BUOY 74 79 60/ 17/ 21 1019.5S 2/ 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 76 72 87 SE7 30.01S TC 24
GALESBURG* PTCLDY 77 77 100 CALM 30.04S TC 25
MACOMB* MOCLDY 74 74 100 CALM 30.05S FOG TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-180700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 74 74 100 E7 30.07S TC 23
DECATUR CLEAR 76 74 93 CALM 30.05S TC 24
PEORIA PTCLDY 79 76 90 E7 30.03S HX 83 TC 26
6HR MIN TEMP: 79; 6HR MAX TEMP: 87;
LACON* CLEAR 73 68 86 E7 30.03F TC 23
LINCOLN* PTCLDY 78 78 100 CALM 30.04R HX 81 TC 26
SPRINGFIELD CLEAR 78 76 93 CALM 30.03R HX 81 TC 26
6HR MIN TEMP: 77; 6HR MAX TEMP: 88;
TAYLORVILLE CLEAR 77 73 88 SE5 30.04S TC 25
ILZ033-039-045-046-055>057-062-063-180700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 75 73 93 E5 30.06S TC 24
DANVILLE* MOCLDY 76 74 94 E5 30.07F TC 25
RANTOUL* CLOUDY 76 74 93 NE9 30.07S TC 25
MATTOON CLEAR 76 74 93 SE6 30.04S TC 24
ILZ079-100>102-180700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 77 75 95 CALM 30.03R TC 25
CAHOKIA* CLEAR 78 76 93 CALM 30.01R HX 81 TC 26
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 PTCLDY 76 74 93 SW3 30.02S TC 24
6HR MIN TEMP: 75; 6HR MAX TEMP: 90;
CAIRO* PTCLDY 79 76 92 CALM 30.02S HX 83 TC 26
MARION PTCLDY 76 75 96 CALM 30.03S TC 24
MT. VERNON CLEAR 78 74 87 CALM 30.03S HX 81 TC 26
CENTRALIA* CLEAR 76 74 94 SE5 30.02F TC 25
SALEM* CLEAR 80 74 81 CALM 30.03S HX 84 TC 27
METROPOLIS* PTCLDY 76 75 96 CALM 30.02S TC 25
ILZ067-068-072-073-078-083-087-091-180700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 75 73 93 CALM 30.04S TC 24
FLORA* PTCLDY 75 75 100 E3 30.03F TC 24
FAIRFIELD* CLEAR 74 73 95 CALM 30.03S TC 23
HARRISBURG* CLEAR 74 71 90 CALM 30.03S TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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