970
ASUS43 KLOT 180711
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CDT MON AUG 18 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.
ILZ001-002-007-009-015-016-024-180800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 75 72 90 NE7 30.01S TC 24
ILZ003-004-008-010-011-017-018-180800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 69 66 90 VRB3 30.08S THUNDER TC 21
ROCHELLE* MOCLDY 69 66 92 E5 30.07S TC 20
DE KALB* CLOUDY 70 68 94 E8 30.08S TC 21
PERU* PTCLDY 70 70 98 NE5 30.05S TC 21
ILZ005-006-012>014-019>023-180800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 73 69 87 E7 30.06F TC 23
CHICAGO-MIDWAY PTCLDY 75 69 81 E6 30.05F TC 24
AURORA MOCLDY 73 68 84 E6 30.06F TC 23
JOLIET* MOCLDY 74 71 90 CALM 30.06F TC 24
WAUKEGAN CLOUDY 74 69 85 E5 30.07S TC 23
DUPAGE AIRPORT CLOUDY 73 68 84 NE6 30.06F TC 23
KANKAKEE* MOCLDY 72 70 94 E3 30.07F TC 22
WHEELING CLOUDY 73 69 87 MISG 30.07F TC 23
MORRIS* PTCLDY 71 70 98 E5 30.04F TC 22
ROMEOVILLE* CLOUDY 73 73 100 E7 30.06F TC 23
LANSING* PTCLDY 72 70 94 NE3 30.06F TC 22
NORTHERLY ISL* N/A 74 70 87 E8 N/A TC 23
LMZ740>746-180800-
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 72 76 110/ 19/ 23 1018.6F 4/ 5
WINTHROP HARBOR 76 75 70/ 10/ 14 N/A 2/ 6
WAUKEGAN HARBOR 75 76 50/ 6/ 8 N/A 2/ 6
WILMETTE BUOY 75 80/ 8/ 10 1020.6F 3/ 5
NORTHERLY ISL 74 60/ 7/ 9 N/A
CALUMET HARBOR 74 40/ 5/ 7 1017.2F
BURNS HARBOR 74 90/ 4/ 4 1018.6F
MICHIGAN CITY 74 100/ 10/ 16 1016.6F
MICH CITY BUOY 75 78 100/ 12/ 16 1016.7F 3/ 5
ST. JOSEPH BUOY 73 79 70/ 19/ 25 1019.2F 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-180800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 75 72 90 SE3 30.00F TC 24
GALESBURG* PTCLDY 76 76 100 E3 30.02F TC 25
MACOMB* PTCLDY 74 74 100 CALM 30.03F FOG TC 23
JACKSONVILLE* CLEAR 77 77 98 SE3 30.00F TC 25
PITTSFIELD* CLEAR 74 74 98 CALM 30.01F TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-180800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 72 71 97 E7 30.05S TC 22
BLOOMINGTON CLEAR 74 74 100 E10 30.05F TC 23
DECATUR CLEAR 75 73 93 E5 30.04F TC 24
PEORIA PTCLDY 78 75 90 E5 30.02F HX 81 TC 26
LACON* CLOUDY 72 69 91 CALM 30.03S TC 22
LINCOLN* MOCLDY 78 78 100 E6 30.02F HX 80 TC 26
SPRINGFIELD CLEAR 77 75 93 CALM 30.02F TC 25
TAYLORVILLE CLEAR 77 73 88 SE6 30.03F TC 25
ILZ033-039-045-046-055>057-062-063-180800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 75 73 93 E3 30.05F TC 24
DANVILLE* CLEAR 75 74 95 E5 30.05F TC 24
RANTOUL* CLEAR 74 73 96 NE6 30.05F TC 24
MATTOON CLEAR 75 73 93 SE5 30.03F TC 24
PARIS* CLEAR 73 73 97 CALM 30.05F TC 23
ILZ079-100>102-180800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 76 74 95 CALM 30.02F FOG TC 24
BELLEVILLE CLEAR 79 76 90 CALM 30.00S HX 82 TC 26
CAHOKIA* CLEAR 76 75 97 CALM 30.00F TC 24
SPARTA* CLEAR 80 76 89 CALM 30.03S HX 84 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 74 73 97 CALM 30.01F FOG TC 23
CAIRO* PTCLDY 78 76 94 CALM 30.01F HX 81 TC 26
EFFINGHAM* CLEAR 74 74 99 CALM 30.05S TC 24
MARION CLEAR 77 74 91 CALM 30.02S TC 25
MT. VERNON PTCLDY 75 74 96 CALM 30.03S TC 24
CENTRALIA* CLEAR 75 73 96 CALM 30.03R TC 24
SALEM* CLEAR 76 73 91 CALM 30.03S TC 25
METROPOLIS* CLEAR 75 74 96 CALM 30.02S TC 24
ILZ067-068-072-073-078-083-087-091-180800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 75 74 96 CALM 30.03F TC 24
FLORA* PTCLDY 77 75 94 CALM 30.03S TC 25
FAIRFIELD* PTCLDY 74 72 91 CALM 30.02F TC 24
HARRISBURG* CLEAR 74 71 90 CALM 30.02S TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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