868
ASUS43 KLOT 201201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 AM CDT THU AUG 20 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.
ILZ001-002-007-009-015-016-024-201300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 63 62 97 CALM 30.02R TC 17
6HR MIN TEMP: 63; 6HR MAX TEMP: 70;
STERLING* PTCLDY 63 63 100 CALM 30.03R TC 17
SAVANNA* CLEAR 61 59 94 CALM 30.03R TC 16
ILZ003-004-008-010-011-017-018-201300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 59 57 93 N3 30.05R TC 15
6HR MIN TEMP: 55; 6HR MAX TEMP: 66;
FREEPORT* N/A 57 55 95 CALM 30.05R TC 14
DE KALB* CLEAR 59 57 93 N6 30.03S TC 15
ILZ005-006-012>014-019>023-201300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 64 56 75 N7 30.00R TC 18
6HR MIN TEMP: 62; 6HR MAX TEMP: 70;
CHICAGO-MIDWAY PTCLDY 66 58 75 NW6 30.00R TC 19
6HR MIN TEMP: 65; 6HR MAX TEMP: 71;
AURORA CLEAR 58 58 100 CALM 30.02R TC 14
6HR MIN TEMP: 57; 6HR MAX TEMP: 65;
JOLIET* CLEAR 66 60 82 CALM 30.01R TC 19
WAUKEGAN CLEAR 60 56 86 N6 30.01R TC 16
6HR MIN TEMP: 56; 6HR MAX TEMP: 63;
DUPAGE AIRPORT CLEAR 59 57 93 N5 30.01R TC 15
6HR MIN TEMP: 58; 6HR MAX TEMP: 65;
KANKAKEE* MOCLDY 64 60 85 CALM 30.02R TC 18
WHEELING CLEAR 62 56 80 N6 30.02R TC 17
6HR MIN TEMP: 60; 6HR MAX TEMP: 68;
LANSING* CLEAR 68 55 63 N3 30.00R TC 20
NORTHERLY ISL* N/A 70 54 56 MISG N/A TC 21
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)
WINTHROP HARBOR 66 74 310/ 8/ 10 1014.2F 1/ 4
WAUKEGAN HARBOR 67 73 300/ 10/ 12 1016.4R 1/ 4
WILMETTE BUOY 72 60/ 12/ 16 1018.5R 2/ 4
CHICAGO BUOY 73 73 1014.9R 2/ 4
NORTHERLY ISL 69 360/ 8/ 11 N/A
CALUMET HARBOR 71 350/ 5/ 12 1015.6
MICH CITY BUOY 72 74 10/ 12/ 14 N/A 2/ 4
ST. JOSEPH BUOY 70 74 30/ 6/ 8 1016.2R 2/ 4
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 FOG 64 64 100 N6 30.00R VSB 1/4 TC 18
GALESBURG* PTCLDY 64 64 100 CALM 30.03R FOG TC 18
MACOMB* PTCLDY 67 67 100 CALM 30.03R FOG TC 19
JACKSONVILLE* CLOUDY 66 66 100 CALM 30.00R VSB 1/4 TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-201300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 62 62 100 CALM 30.01R TC 17
BLOOMINGTON CLEAR 65 65 100 N7 30.02R TC 18
DECATUR FOG 68 68 100 N5 30.00R VSB 1/2 TC 20
PEORIA CLEAR 66 64 93 NE3 30.01R TC 19
6HR MIN TEMP: 65; 6HR MAX TEMP: 70; 6HR PCP: TRACE;
LACON* CLEAR 63 60 92 CALM 30.01R TC 17
LINCOLN* CLEAR 67 67 100 N3 30.00R TC 20
SPRINGFIELD LGT RAIN 67 67 100 NE5 30.00R VSB 3/4 TC 19
6HR MIN TEMP: 66; 6HR MAX TEMP: 68; 6HR PCP: 0.01;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 68 68 100 N3 30.00R FOG TC 20
MATTOON CLOUDY 67 67 100 NE5 29.98R FOG TC 19
PARIS* CLOUDY 67 66 97 CALM 30.00R FOG TC 20
ILZ079-100>102-201300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 70 68 94 CALM 29.97R TC 21
CAHOKIA* CLOUDY 74 72 93 NE3 29.97R TC 23
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 72 70 94 CALM 29.97 TC 22
CAIRO* CLOUDY 71 71 99 CALM 29.98R TC 22
MT. VERNON CLOUDY 72 71 97 CALM 29.98R TC 22
CENTRALIA* CLOUDY 73 73 98 CALM 29.97R TC 23
SALEM* PTCLDY 73 73 100 MISG 29.97R TC 23
ILZ067-068-072-073-078-083-087-091-201300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 68 67 96 N6 29.97R TC 20
FLORA* PTCLDY 70 N/A N/A CALM 29.97R TC 21
FAIRFIELD* LGT RAIN 71 69 95 CALM 29.97R TC 22
HARRISBURG* CLOUDY 71 71 100 CALM 29.97R TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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