665
ASUS43 KLOT 170807
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT SUN AUG 17 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.
ILZ001-002-007-009-015-016-024-170900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 76 75 97 S3 30.00R TC 24
STERLING* MOCLDY 71 71 100 W3 30.02F TC 22
ILZ003-004-008-010-011-017-018-170900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 73 70 90 CALM 30.04F TC 23
ROCHELLE* MOCLDY 72 70 93 NE8 30.04R TC 22
DE KALB* CLOUDY 72 72 100 E8 30.03F TC 22
PERU* MOCLDY 72 71 97 S7 30.01S TC 22
ILZ005-006-012>014-019>023-170900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE TSTM 70 68 93 SW6 30.02R FOG TC 21
CHICAGO-MIDWAY TSTM 71 68 90 SW9G18 30.07R VSB 1 TC 22
AURORA CLOUDY 74 71 91 VRB6 30.03R TC 23
JOLIET* CLOUDY 76 72 87 S9 30.01F TC 24
WAUKEGAN MOCLDY 74 71 91 NE3 30.03F TC 23
DUPAGE AIRPORT TSTM 71 70 96 NE8 30.03S TC 22
KANKAKEE* CLOUDY 73 70 88 E14G20 30.07F TC 23
WHEELING TSTM 73 72 96 MISG 30.04F TC 23
MORRIS* CLOUDY 73 71 95 SE10G16 30.01S TC 23
ROMEOVILLE* CLOUDY 75 75 100 SE13 30.03R THUNDER TC 24
LANSING* MOCLDY 70 69 98 S6 30.02S TC 21
NORTHERLY ISL* N/A 72 69 90 S5 N/A TC 22
LMZ740>746-170900-
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 76 340/ 2/ 2 1017.1S
WINTHROP HARBOR 74 75 10/ 4/ 6 N/A 1/ 4
WAUKEGAN HARBOR 74 75 N/A 1
WILMETTE BUOY 75 1019.2R 2/ 3
NORTHERLY ISL 72 350/ 4/ 14 N/A
CALUMET HARBOR 72 260/ 3/ 6 1016.0
BURNS HARBOR 74 110/ 4/ 9 1016.9F
MICHIGAN CITY 73 200/ 15/ 18 1014.5F
MICH CITY BUOY 74 77 200/ 14/ 19 1014.8F 2/ 3
ST. JOSEPH BUOY 76 77 240/ 2/ 6 1017.5F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-170900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 78 73 84 S5 30.00F HX 81 TC 26
GALESBURG* CLEAR 77 77 100 SW6 30.01S TC 25
MACOMB* PTCLDY 78 76 96 SW5 30.02F TC 25
JACKSONVILLE* PTCLDY 78 70 75 S7 30.00F HX 81 TC 26
PITTSFIELD* CLEAR 75 75 98 S3 30.03F TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-170900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 70 69 97 CALM 30.03S TC 21
BLOOMINGTON MOCLDY 72 70 93 S10 30.04S TC 22
DECATUR MOCLDY 76 69 79 S7 30.03F TC 24
PEORIA PTCLDY 77 72 84 S6 30.01F TC 25
LACON* MOCLDY 76 71 84 CALM 30.01R TC 24
LINCOLN* MOCLDY 74 71 89 S3 30.03S TC 23
SPRINGFIELD PTCLDY 77 73 87 E6 30.02S TC 25
TAYLORVILLE PTCLDY 75 72 88 SE9 30.03F TC 24
ILZ033-039-045-046-055>057-062-063-170900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 71 69 93 SW3 30.04S TC 22
DANVILLE* MOCLDY 69 68 96 CALM 30.04S TC 21
RANTOUL* MOCLDY 71 69 96 CALM 30.03S TC 22
MATTOON CLOUDY 74 68 81 S8 30.02F TC 23
PARIS* MOCLDY 69 66 91 W3 30.03R TC 21
ILZ079-100>102-170900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 74 73 95 CALM 30.03S TC 23
CAHOKIA* CLEAR 76 73 91 CALM 30.02S TC 24
SPARTA* CLEAR 77 74 88 CALM 30.05R TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 72 71 97 CALM 30.03F TC 22
CAIRO* CLEAR 75 74 97 CALM 30.03F TC 24
EFFINGHAM* PTCLDY 75 72 91 SE5 30.05F TC 24
MARION CLEAR 76 73 89 CALM 30.04S TC 24
MT. VERNON PTCLDY 73 72 96 CALM 30.04S TC 23
CENTRALIA* CLEAR 74 72 95 S5 30.03F TC 23
SALEM* CLEAR 78 72 81 S5 30.03F HX 81 TC 26
METROPOLIS* CLEAR 74 73 96 CALM 30.04F TC 23
ILZ067-068-072-073-078-083-087-091-170900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 76 74 93 S7 30.02F TC 24
FLORA* PTCLDY 79 75 89 E5 30.04F HX 82 TC 26
FAIRFIELD* PTCLDY 75 73 93 CALM 30.03F TC 24
HARRISBURG* CLEAR 73 71 95 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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