383
ASUS43 KLOT 201001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-201100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 68 67 96 CALM 30.04S TC 20
ILZ003-004-008-010-011-017-018-201100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 65 65 100 CALM 30.08R TC 18
ILZ005-006-012>014-019>023-201100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 68 66 93 N9 30.04S TC 20
CHICAGO-MIDWAY PTCLDY 70 66 87 N7 30.04R TC 21
AURORA CLEAR 62 61 96 NW3 30.05R FOG TC 17
WAUKEGAN CLEAR 68 65 90 NW3 30.05S TC 20
DUPAGE AIRPORT CLEAR 65 63 93 N5 30.05R TC 18
WHEELING CLEAR 68 66 93 N6 30.07R TC 20
MORRIS* CLEAR 65 65 100 CALM 30.04S FOG TC 19
LANSING* CLOUDY 69 68 97 NW6 30.04R TC 21
NORTHERLY ISL* N/A 71 65 81 N5 N/A TC 22
LMZ740>746-201100-
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 10/ 16/ 19 1016.9R
WINTHROP HARBOR 70 69 260/ 10/ 14 N/A 2/ 4
WAUKEGAN HARBOR 69 74 270/ 8/ 10 N/A 2/ 5
WILMETTE BUOY 72 20/ 12/ 17 1019.3R 3/ 5
NORTHERLY ISL 71 320/ 10 N/A
CALUMET HARBOR 70 300/ 3/ 5 1016.0
BURNS HARBOR 72 10/ 10/ 12 1017.3R
MICHIGAN CITY 73 360/ 20/ 21 1014.9R
MICH CITY BUOY 73 76 350/ 14/ 19 1015.4R 6/ 6
ST. JOSEPH BUOY 72 72 330/ 17/ 21 1017.2R 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-201100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 68 67 96 CALM 30.05S TC 20
GALESBURG* FOG 64 64 100 CALM 30.07S VSB 1/4 TC 18
MACOMB* CLEAR 65 65 100 CALM 30.08S TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-201100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 66 66 100 N3 30.06F TC 19
DECATUR PTCLDY 69 67 93 CALM 30.04S TC 21
PEORIA CLEAR 67 66 97 N3 30.05S TC 19
LACON* CLEAR 65 64 94 CALM 30.05S TC 19
LINCOLN* CLEAR 67 67 100 CALM 30.05S TC 19
SPRINGFIELD CLEAR 66 65 96 N3 30.04S TC 19
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 67 66 97 N3 30.04S TC 19
DANVILLE* PTCLDY 66 65 97 NW3 30.05R TC 19
RANTOUL* CLEAR 68 67 96 N6 30.04S TC 20
MATTOON CLOUDY 69 68 96 N6 30.03R TC 21
ILZ079-100>102-201100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 71 68 93 MISG 30.02S TC 21
BELLEVILLE PTCLDY 73 70 92 N7 29.98F TC 23
CAHOKIA* MOCLDY 74 71 91 N8 30.00F TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 73 72 96 CALM 29.98R TC 23
CAIRO* PTCLDY 73 73 98 CALM 29.98R TC 23
MARION PTCLDY N/A N/A N/A N5 29.99R
MT. VERNON MOCLDY 72 71 97 NE6 29.99F TC 22
CENTRALIA* MOCLDY 72 70 93 NE6 30.00F TC 22
SALEM* MOCLDY 72 70 92 NE6 30.01S TC 22
METROPOLIS* PTCLDY 73 72 96 CALM 29.97S TC 23
ILZ067-068-072-073-078-083-087-091-201100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 71 68 90 NE6 30.00S TC 22
FLORA* MOCLDY 70 N/A N/A N6 30.01S TC 21
FAIRFIELD* MOCLDY 71 70 96 N6 29.99S TC 22
HARRISBURG* MOCLDY 74 72 95 NE8 29.98R TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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