100
ASUS43 KLOT 150501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT FRI AUG 15 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.
ILZ001-002-007-009-015-016-024-150600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 69 64 84 CALM 30.03S TC 21
STERLING* PTCLDY 66 66 100 E5 30.06S TC 19
ILZ003-004-008-010-011-017-018-150600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 69 60 73 VRB3 30.08R TC 21
ILZ005-006-012>014-019>023-150600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 72 61 68 E3 30.06F TC 22
CHICAGO-MIDWAY CLEAR 74 62 66 SE5 30.07S TC 23
AURORA PTCLDY 68 59 73 CALM 30.07S TC 20
JOLIET* CLEAR 68 63 85 CALM 30.08S TC 20
WAUKEGAN PTCLDY 65 61 87 CALM 30.07S TC 18
DUPAGE AIRPORT PTCLDY 69 57 65 CALM 30.07S TC 21
WHEELING CLEAR 69 64 84 MISG 30.08S TC 21
MORRIS* PTCLDY 68 62 81 SE3 30.06S TC 20
LANSING* CLEAR 67 64 90 CALM 30.09S TC 19
NORTHERLY ISL* N/A 72 63 73 SE5 N/A TC 22
LMZ740>746-150600-
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 75 76 80/ 6/ 8 1017.8F
WINTHROP HARBOR 75 74 170/ 4/ 6 N/A 1
WAUKEGAN HARBOR 75 75 150/ 6/ 6 N/A 0
WILMETTE BUOY 76 130/ 6/ 8 1020.7F 1
HARRISON CRIB 82 120/ 9/ 9 N/A
NORTHERLY ISL 73 100/ 5/ 6 N/A
CALUMET HARBOR 75 70/ 4/ 5 1017.4
BURNS HARBOR 74 CALM / 1 1019.0S
MICHIGAN CITY 72 120/ 5/ 6 1016.9S
MICH CITY BUOY 75 78 120/ 4/ 6 1017.0S 1
ST. JOSEPH BUOY 74 78 60/ 4/ 6 1019.2S 1
ILZ025>027-034>036-040-047-049-050-058-095>099-150600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 72 68 87 SE6 30.02F TC 22
GALESBURG* PTCLDY 71 64 78 E6 30.04F TC 22
MACOMB* PTCLDY 68 67 97 SE5 30.05F TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-150600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 70 67 90 E7 30.08S TC 21
DECATUR CLEAR 72 69 90 E3 30.06S TC 22
PEORIA PTCLDY 75 66 73 E7 30.05S TC 24
LACON* PTCLDY 71 63 75 SE3 30.05S TC 22
LINCOLN* MOCLDY 73 70 91 E3 30.05S TC 23
SPRINGFIELD CLEAR 72 69 90 NE5 30.04S TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-150600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 71 67 87 E5 30.07S TC 22
DANVILLE* PTCLDY 71 65 84 E3 30.08S TC 21
RANTOUL* MOCLDY 72 65 78 E6 30.07S TC 22
MATTOON CLEAR 72 70 93 SE5 30.05S TC 22
ILZ079-100>102-150600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 75 72 91 W3 30.03S TC 24
BELLEVILLE CLEAR 77 73 85 CALM 30.01S TC 25
CAHOKIA* CLEAR 74 73 97 CALM 30.02S TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-150600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 73 71 93 S3 30.03S TC 23
CAIRO* CLEAR 74 73 99 CALM 30.04R TC 23
EFFINGHAM* CLEAR 74 73 97 E3 30.07S TC 23
MARION CLEAR 79 72 78 SE5 30.04F HX 82 TC 26
MT. VERNON CLEAR 76 72 87 CALM 30.04S TC 24
CENTRALIA* CLEAR 74 71 92 SE3 30.04S TC 23
SALEM* CLEAR 78 72 83 CALM 30.04S TC 25
METROPOLIS* CLEAR 76 74 96 CALM 30.04S TC 24
ILZ067-068-072-073-078-083-087-091-150600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A 74 73 97 N3 30.05S TC 23
FLORA* CLEAR 75 N/A N/A CALM 30.05S TC 24
FAIRFIELD* CLEAR 74 72 93 CALM 30.04S TC 23
HARRISBURG* CLEAR 74 71 91 CALM 30.04S TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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