035
ASUS43 KLOT 201211
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 AM CDT WED AUG 20 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.
ILZ001-002-007-009-015-016-024-201300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 69 69 100 CALM 30.07R FOG TC 21
6HR MIN TEMP: 67; 6HR MAX TEMP: 69;
ILZ003-004-008-010-011-017-018-201300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 68 67 96 E3 30.09R TC 20
6HR MIN TEMP: 64; 6HR MAX TEMP: 68;
ROCHELLE* CLOUDY 66 64 94 CALM 30.09R FOG TC 19
DE KALB* MOCLDY 65 65 100 CALM 30.09R FOG TC 18
PERU* PTCLDY 66 66 100 CALM 30.08R TC 19
ILZ005-006-012>014-019>023-201300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 69 65 86 N10 30.06R TC 21
6HR MIN TEMP: 67; 6HR MAX TEMP: 70;
CHICAGO-MIDWAY PTCLDY 71 66 84 N9 30.06R TC 22
6HR MIN TEMP: 70; 6HR MAX TEMP: 72;
AURORA PTCLDY 68 66 93 CALM 30.07R FOG TC 20
6HR MIN TEMP: 62; 6HR MAX TEMP: 66;
JOLIET* CLEAR 69 69 100 CALM 30.09R TC 21
WAUKEGAN PTCLDY 68 64 87 N6 30.08R TC 20
6HR MIN TEMP: 67; 6HR MAX TEMP: 70;
DUPAGE AIRPORT CLEAR 67 65 93 NE3 30.07R TC 19
6HR MIN TEMP: 64; 6HR MAX TEMP: 68;
KANKAKEE* MOCLDY 66 66 100 N3 30.08R TC 19
WHEELING CLEAR 69 66 90 N6 30.08R TC 21
6HR MIN TEMP: 67; 6HR MAX TEMP: 70;
MORRIS* CLOUDY 67 67 100 CALM 30.07R FOG TC 19
ROMEOVILLE* CLEAR 68 68 100 N3 30.08R TC 20
LANSING* CLOUDY 70 67 90 N5 30.06S TC 21
NORTHERLY ISL* N/A 71 65 81 N9 N/A TC 22
LMZ740>746-201300-
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 70 74 20/ 17/ 21 1018.0R 4/ 5
WINTHROP HARBOR 70 70 290/ 12/ 16 N/A 3/ 4
WAUKEGAN HARBOR 69 74 280/ 10/ 12 N/A 3/ 5
WILMETTE BUOY 71 30/ 14/ 19 1020.0R 3/ 5
NORTHERLY ISL 70 340/ 9/ 13 N/A
CALUMET HARBOR 72 340/ 10/ 14 1016.6
BURNS HARBOR 72 20/ 11/ 12 1017.9R
MICHIGAN CITY 72 360/ 20/ 23 1016.0R
MICH CITY BUOY 72 76 360/ 16/ 21 1016.1R 7/ 5
ST. JOSEPH BUOY 71 72 350/ 14/ 17 1018.1R 4/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-201300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 68 67 96 N3 30.07S TC 20
GALESBURG* MOCLDY 65 65 100 CALM 30.09R TC 18
MACOMB* CLEAR 65 65 99 CALM 30.10R TC 18
JACKSONVILLE* CLEAR 67 67 98 CALM 30.07R TC 20
PITTSFIELD* CLEAR 69 69 98 CALM 30.09R TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-201300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC FOG 65 64 97 CALM 30.08R VSB<1/4 TC 19
BLOOMINGTON FOG 67 67 100 N3 30.09R VSB 1/8 TC 19
DECATUR PTCLDY 67 66 97 NE3 30.06S FOG TC 19
PEORIA CLEAR 68 67 96 CALM 30.07R TC 20
6HR MIN TEMP: 67; 6HR MAX TEMP: 69;
LACON* PTCLDY 66 64 96 CALM 30.07R TC 19
LINCOLN* CLEAR 67 67 100 CALM 30.07S FOG TC 20
SPRINGFIELD CLEAR 67 66 97 NE3 30.06R TC 19
6HR MIN TEMP: 64; 6HR MAX TEMP: 70;
TAYLORVILLE CLEAR 66 66 100 N3 30.06R FOG TC 19
ILZ033-039-045-046-055>057-062-063-201300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 68 67 96 N5 30.07R FOG TC 20
DANVILLE* PTCLDY 68 67 97 N7 30.06R TC 20
RANTOUL* CLEAR 68 67 96 N8 30.06S TC 20
MATTOON PTCLDY 67 66 97 N6 30.04R FOG TC 19
PARIS* CLOUDY 67 66 97 N5 30.05S FOG TC 20
ILZ079-100>102-201300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 70 68 94 NW5 30.05R TC 21
BELLEVILLE PTCLDY 72 70 94 N6 30.02R TC 22
CAHOKIA* PTCLDY 72 69 90 N6 30.04R TC 22
SPARTA* PTCLDY 72 71 96 CALM 30.04R TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 74 72 93 VRB6 30.01R TC 23
6HR MIN TEMP: 72; 6HR MAX TEMP: 75;
CAIRO* PTCLDY 73 73 98 CALM 30.00R TC 23
EFFINGHAM* PTCLDY 70 69 98 N3 30.05R TC 21
MARION CLOUDY 73 72 94 NE7 30.01S TC 23
MT. VERNON CLEAR 71 70 96 NE6 30.03R TC 22
CENTRALIA* CLEAR 71 69 94 CALM 30.03R TC 22
SALEM* CLEAR 71 68 91 NE3 30.03R TC 22
METROPOLIS* CLOUDY 74 73 97 NE3 30.00R TC 24
ILZ067-068-072-073-078-083-087-091-201300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 70 67 90 NE7 30.02R TC 21
FLORA* MOCLDY 70 70 100 N8 30.03R TC 21
FAIRFIELD* CLEAR 70 69 97 CALM 30.01R TC 21
HARRISBURG* N/A 74 72 93 N6 30.02R TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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