235
ASUS43 KLOT 201010
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
ROCHELLE* FOG 60 59 95 CALM 30.07S VSB 1 TC 16
DE KALB* FOG 64 64 100 CALM 30.07S VSB 3/4 TC 18
PERU* CLEAR 65 65 100 CALM 30.06R FOG TC 19
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
JOLIET* CLEAR 67 67 100 CALM 30.05S FOG TC 20
WAUKEGAN CLEAR 68 65 90 NW3 30.05S TC 20
DUPAGE AIRPORT CLEAR 65 63 93 N5 30.05R TC 18
KANKAKEE* PTCLDY 66 64 94 NW3 30.06S TC 19
WHEELING CLEAR 68 66 93 N6 30.07R TC 20
MORRIS* CLEAR 65 65 100 CALM 30.04S FOG TC 19
ROMEOVILLE* CLEAR 68 68 100 N5 30.06R TC 20
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 74 360/ 17/ 21 1017.2R 3/ 4
WINTHROP HARBOR 70 69 270/ 10/ 14 N/A 2/ 5
WAUKEGAN HARBOR 69 74 290/ 8/ 12 N/A 2/ 5
WILMETTE BUOY 72 30/ 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
JACKSONVILLE* CLEAR 65 64 98 CALM 30.05S TC 18
PITTSFIELD* CLEAR 69 68 98 CALM 30.06S TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-201100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC FOG 65 65 97 CALM 30.06R VSB 1/4 TC 19
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 CLOUDY 68 66 94 N3 30.04S TC 20
ILZ033-039-045-046-055>057-062-063-201100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 67 66 97 N3 30.04S TC 19
DANVILLE* CLEAR 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
PARIS* MOCLDY 67 66 97 CALM 30.03S TC 20
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 MOCLDY 73 70 92 N7 29.98F TC 23
CAHOKIA* MOCLDY 74 71 91 N8 30.00F TC 23
SPARTA* PTCLDY 74 73 96 NE6 30.01R 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* MOCLDY 73 73 98 CALM 29.98R TC 23
EFFINGHAM* MOCLDY 70 70 100 N3 30.04S TC 21
MARION PTCLDY N/A N/A N/A N5 29.99R
MT. VERNON PTCLDY 72 71 97 NE6 29.99F TC 22
CENTRALIA* PTCLDY 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 PTCLDY 71 68 90 NE6 30.00S TC 22
FLORA* PTCLDY 70 N/A N/A N6 30.01S TC 21
FAIRFIELD* PTCLDY 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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