723
ASUS43 KLOT 200712
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-200800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 69 68 96 CALM 30.05F TC 21
ILZ003-004-008-010-011-017-018-200800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 67 66 97 CALM 30.07F TC 19
ROCHELLE* PTCLDY 64 62 94 CALM 30.07F FOG TC 18
DE KALB* CLEAR 66 66 100 CALM 30.07F TC 19
PERU* CLEAR 67 67 100 CALM 30.06F TC 20
ILZ005-006-012>014-019>023-200800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 69 67 93 NW6 30.04F TC 21
CHICAGO-MIDWAY PTCLDY 71 67 87 NW7 30.04S TC 22
AURORA FOG 64 63 96 CALM 30.05F VSB 1/4 TC 18
JOLIET* FOG 68 68 100 CALM 30.05F VSB 3/4 TC 20
WAUKEGAN PTCLDY 69 65 86 NW5 30.05F TC 21
DUPAGE AIRPORT CLEAR 67 65 93 CALM 30.05F TC 19
KANKAKEE* CLEAR 70 66 88 NW6 30.05F TC 21
WHEELING PTCLDY 69 67 93 NW5 30.06F TC 21
MORRIS* CLEAR 68 68 100 CALM 30.04F FOG TC 20
ROMEOVILLE* CLEAR 70 70 100 NW5 30.06F TC 21
LANSING* CLEAR 69 68 97 CALM 30.04F TC 21
NORTHERLY ISL* N/A 71 66 84 NW7 N/A TC 22
LMZ740>746-200800-
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 75 350/ 14/ 16 1017.0F 3/ 5
WINTHROP HARBOR 69 67 260/ 6/ 10 N/A 2/ 5
WAUKEGAN HARBOR 71 74 310/ 8/ 10 N/A 1/ 5
WILMETTE BUOY 73 350/ 10/ 16 1019.3F 2/ 5
NORTHERLY ISL 71 350/ 4/ 9 N/A
CALUMET HARBOR 71 330/ 4/ 7 1016.3F
BURNS HARBOR 73 10/ 8/ 11 1017.6
MICHIGAN CITY 73 350/ 18/ 20 1015.0F
MICH CITY BUOY 74 76 340/ 14/ 17 1015.3F 5/ 6
ST. JOSEPH BUOY 72 72 340/ 14/ 19 1017.2F 4/ 6
ILZ025>027-034>036-040-047-049-050-058-095>099-200800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 70 69 97 CALM 30.06F TC 21
GALESBURG* CLEAR 66 66 100 CALM 30.08S FOG TC 19
MACOMB* CLEAR 67 67 99 NW3 30.08F TC 19
JACKSONVILLE* PTCLDY 67 67 99 N5 30.05F TC 20
PITTSFIELD* PTCLDY 72 71 97 N3 30.06F TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-200800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 67 66 97 NE6 30.05F TC 19
BLOOMINGTON CLEAR 69 68 96 N8 30.06F TC 21
DECATUR MOCLDY 72 69 90 N6 30.05R TC 22
PEORIA CLEAR 69 67 93 N3 30.05F TC 21
LACON* CLEAR 68 65 93 CALM 30.04F TC 20
LINCOLN* PTCLDY 69 69 100 CALM 30.05S TC 21
SPRINGFIELD PTCLDY 69 67 93 N6 30.05F TC 21
TAYLORVILLE MOCLDY 68 68 100 N5 30.05S TC 20
ILZ033-039-045-046-055>057-062-063-200800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 71 68 90 N7 30.04S TC 22
DANVILLE* PTCLDY 68 67 95 CALM 30.04F TC 20
RANTOUL* PTCLDY 70 68 93 N6 30.04F TC 21
MATTOON CLOUDY 70 69 97 NW3 30.02F TC 21
PARIS* MOCLDY 70 68 94 N3 30.03S TC 21
ILZ079-100>102-200800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON N/A 73 70 91 MISG N/A TC 23
BELLEVILLE PTCLDY 76 73 90 NE6 30.01S TC 24
CAHOKIA* CLOUDY 76 73 91 NE7 30.02F TC 24
SPARTA* MOCLDY 76 74 96 N3 30.03F TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 75 71 87 SE3 30.01F TC 24
CAIRO* MOCLDY 74 73 95 CALM 29.97F TC 24
EFFINGHAM* MOCLDY 71 70 98 CALM 30.04S TC 22
MARION CLOUDY 75 73 93 SW5 30.03F TC 24
MT. VERNON MOCLDY 75 73 93 N6 30.02S TC 24
CENTRALIA* MOCLDY 74 69 84 NE3 30.03F TC 24
SALEM* MOCLDY 74 69 87 CALM 30.03S TC 23
METROPOLIS* MOCLDY 74 73 96 N8 29.97F TC 23
ILZ067-068-072-073-078-083-087-091-200800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 75 72 90 NE8 30.00S TC 24
FLORA* MOCLDY 72 72 100 N6 30.02F TC 22
FAIRFIELD* MOCLDY 74 72 93 CALM 30.01S TC 23
HARRISBURG* CLOUDY 75 72 89 W6 30.01F TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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