156
ASUS43 KLOT 201506
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-201600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 80 72 76 CALM 30.07S HX 84 TC 27
ILZ003-004-008-010-011-017-018-201600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 70 67 90 CALM 30.12R TC 21
ROCHELLE* CLOUDY 67 66 94 E6 30.12R TC 20
DE KALB* CLOUDY 68 68 100 NE6 30.12R TC 20
PERU* CLOUDY 72 70 95 E6 30.10R TC 22
ILZ005-006-012>014-019>023-201600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 73 65 75 NE20 30.09R TC 23
CHICAGO-MIDWAY PTSUNNY 75 64 68 NE14 30.08R TC 24
AURORA CLOUDY 74 66 76 N8 30.09S TC 23
JOLIET* CLOUDY 77 68 72 NE7 30.09S TC 25
WAUKEGAN PTSUNNY 73 62 68 NE10G23 30.10R TC 23
DUPAGE AIRPORT PTSUNNY 75 66 73 NE9 30.09S TC 24
KANKAKEE* PTSUNNY 75 68 78 N7 30.09S TC 24
WHEELING CLOUDY 73 64 73 NE15G24 30.11R TC 23
MORRIS* CLOUDY 74 69 85 CALM 30.08S TC 23
ROMEOVILLE* PTSUNNY 73 70 88 N8 30.09S TC 23
LANSING* CLOUDY 72 64 76 N12G17 30.08S TC 22
NORTHERLY ISL* N/A 72 64 76 NE10 N/A TC 22
LMZ740>746-201600-
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 69 74 20/ 14/ 17 1019.1R
WINTHROP HARBOR 71 71 350/ 14/ 17 N/A 4/ 5
WAUKEGAN HARBOR 72 74 N/A 4/ 5
WILMETTE BUOY 71 80/ 16/ 21 1021.0R 4/ 5
NORTHERLY ISL 72 340/ 7/ 13 N/A
CALUMET HARBOR 73 350/ 12/ 15 1017.5
BURNS HARBOR 71 20/ 11/ 12 1018.6R
MICHIGAN CITY 71 360/ 19/ 21 1016.7R
MICH CITY BUOY 72 75 360/ 14/ 17 1016.9R 6/ 5
ST. JOSEPH BUOY 70 72 350/ 17/ 21 1019.0R 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-201600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 77 70 79 NE5 30.09S TC 25
GALESBURG* SUNNY 79 69 71 W3 30.10S HX 81 TC 26
MACOMB* SUNNY 80 72 76 E3 30.11S HX 83 TC 26
JACKSONVILLE* MOSUNNY 77 68 73 NE8 30.09R TC 25
PITTSFIELD* SUNNY 78 71 79 CALM 30.10S TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-201600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 75 69 83 NE6 30.09S TC 24
BLOOMINGTON MOSUNNY 76 70 82 NE10 30.10S TC 24
DECATUR PTSUNNY 79 69 71 NE10 30.08R HX 81 TC 26
PEORIA SUNNY 78 67 68 NE5 30.08S HX 80 TC 26
LACON* PTSUNNY 74 68 80 E3 30.08S TC 24
LINCOLN* MOSUNNY 77 70 79 NE10 30.09S TC 25
SPRINGFIELD MOSUNNY 78 69 73 NE9 30.08S HX 80 TC 26
TAYLORVILLE PTSUNNY 75 70 83 N8 30.08S TC 24
ILZ033-039-045-046-055>057-062-063-201600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 78 67 68 NE13 30.08R HX 80 TC 26
DANVILLE* MOSUNNY 75 67 76 NE10 30.08R TC 24
RANTOUL* PTSUNNY 76 66 71 N12 30.08S TC 24
MATTOON PTSUNNY 77 66 68 N12 30.06R TC 25
PARIS* CLOUDY 75 66 72 NE13 30.06S TC 24
ILZ079-100>102-201600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 77 70 78 VRB6 30.07S TC 25
BELLEVILLE MOSUNNY 79 70 74 NE7 30.04S HX 81 TC 26
CAHOKIA* PTSUNNY 79 69 71 NE8 30.06S HX 81 TC 26
SPARTA* CLOUDY 77 71 80 NE7 30.07R TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 79 70 74 NE6 30.04R HX 82 TC 26
CAIRO* PTSUNNY 79 75 86 N6 30.01S HX 83 TC 26
EFFINGHAM* MOSUNNY 75 68 78 N6 30.08R TC 24
MARION CLOUDY 77 70 78 NE7 30.04R TC 25
MT. VERNON CLOUDY 80 69 69 E10 30.05S HX 83 TC 27
CENTRALIA* MOSUNNY 78 66 66 NE9 30.06R HX 80 TC 26
SALEM* MOSUNNY 78 67 69 NE9 30.06S TC 25
METROPOLIS* CLOUDY 79 74 86 NE5 30.01S HX 83 TC 26
ILZ067-068-072-073-078-083-087-091-201600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 73 67 81 N9 30.04S TC 23
FLORA* PTSUNNY 75 68 78 NE9 30.06R TC 24
FAIRFIELD* PTSUNNY 74 66 76 NE8 30.04S TC 24
HARRISBURG* PTSUNNY 77 69 74 N7 30.04R TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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