217
ASUS43 KLOT 201101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-201200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 68 67 96 CALM 30.05R TC 20
ILZ003-004-008-010-011-017-018-201200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 67 66 97 CALM 30.08S TC 19
ILZ005-006-012>014-019>023-201200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 68 66 93 N10 30.05R TC 20
CHICAGO-MIDWAY PTCLDY 70 65 84 N7 30.05R TC 21
AURORA CLEAR 63 62 97 CALM 30.06R TC 17
WAUKEGAN CLEAR 68 64 87 N3 30.07R TC 20
DUPAGE AIRPORT CLEAR 65 63 93 N6 30.06R TC 18
WHEELING CLEAR 67 66 97 N5 30.07S TC 19
MORRIS* CLEAR 66 66 100 CALM 30.05R FOG TC 19
ROMEOVILLE* CLEAR 68 68 100 N7 30.06S TC 20
LANSING* CLOUDY 69 68 97 CALM 30.06R TC 21
NORTHERLY ISL* N/A 70 65 84 N12 N/A TC 21
LMZ740>746-201200-
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 71 74 360/ 17/ 21 1017.5R
WINTHROP HARBOR 70 70 280/ 10/ 14 N/A 2/ 5
WAUKEGAN HARBOR 69 74 280/ 8/ 10 N/A 2/ 5
WILMETTE BUOY 72 30/ 14/ 17 1019.6R 3/ 5
NORTHERLY ISL 70 340/ 6/ 10 N/A
CALUMET HARBOR 71 320/ 6/ 9 1016.3
BURNS HARBOR 72 10/ 9/ 11 1017.6R
MICHIGAN CITY 72 10/ 18/ 19 1015.4R
MICH CITY BUOY 73 76 350/ 16/ 19 1015.5R 5/ 6
ST. JOSEPH BUOY 71 72 320/ 17/ 23 1017.5R 4/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-201200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 68 67 96 N3 30.07R TC 20
GALESBURG* FOG 63 63 100 CALM 30.08S VSB 1/2 TC 17
MACOMB* CLEAR 65 65 100 CALM 30.08S TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-201200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON FOG 67 67 100 N3 30.08R VSB 1/4 TC 19
DECATUR CLEAR 68 66 93 CALM 30.05R TC 20
PEORIA CLEAR 68 67 96 CALM 30.06R TC 20
LACON* CLEAR 65 64 94 CALM 30.05S TC 19
LINCOLN* CLEAR 67 67 100 CALM 30.06R TC 19
SPRINGFIELD CLEAR 65 65 100 CALM 30.05R TC 18
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 65 64 97 NW3 30.05R FOG TC 18
DANVILLE* PTCLDY 67 66 97 N5 30.04S TC 19
RANTOUL* CLEAR 68 67 96 N7 30.06R TC 20
MATTOON MOCLDY 68 67 96 N5 30.03S TC 20
ILZ079-100>102-201200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 70 68 94 NW3 30.04R TC 21
BELLEVILLE MOCLDY 72 69 92 N8 30.00R TC 22
CAHOKIA* MOCLDY 73 70 90 N6 30.02R TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 72 71 97 CALM 29.99R TC 22
CAIRO* MOCLDY 73 73 98 CALM 29.99R TC 23
MARION CLOUDY 73 72 96 NE5 30.01R TC 23
MT. VERNON PTCLDY 71 70 96 NE6 30.01R TC 22
CENTRALIA* PTCLDY 71 69 95 NE3 30.01R TC 22
SALEM* PTCLDY 72 69 91 NE5 30.01S TC 22
METROPOLIS* MOCLDY 74 73 96 CALM 29.99R TC 23
ILZ067-068-072-073-078-083-087-091-201200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 70 68 93 NE3 30.00S TC 21
FLORA* PTCLDY 70 N/A N/A N5 30.01S TC 21
FAIRFIELD* PTCLDY 71 70 96 N5 30.00R TC 22
HARRISBURG* CLOUDY 74 72 93 NE3 30.00R TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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