755
ASUS43 KLOT 201412
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-201500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 76 72 87 CALM 30.07S TC 24
ILZ003-004-008-010-011-017-018-201500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 68 67 96 NE6 30.11R VSB 1 TC 20
ROCHELLE* CLOUDY 68 66 94 E10 30.11R TC 20
DE KALB* CLOUDY 67 67 100 NE3 30.11R TC 20
PERU* CLOUDY 71 70 99 CALM 30.09S FOG TC 21
ILZ005-006-012>014-019>023-201500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 72 66 81 N13 30.08R TC 22
CHICAGO-MIDWAY PTSUNNY 75 62 64 N15 30.07R TC 24
AURORA CLOUDY 71 66 84 NE6 30.09R TC 22
JOLIET* MOSUNNY 74 68 81 NE10 30.09S TC 24
WAUKEGAN PTSUNNY 72 65 78 NE16G22 30.09R TC 22
DUPAGE AIRPORT CLOUDY 73 65 75 NE10 30.09R TC 23
KANKAKEE* MOSUNNY 73 68 83 N3 30.08S TC 23
WHEELING PTSUNNY 73 66 78 NE14G24 30.10R TC 23
MORRIS* PTSUNNY 72 69 90 NE3 30.07S TC 22
ROMEOVILLE* MOSUNNY 73 70 88 N8 30.09R TC 23
LANSING* CLOUDY 73 66 80 N14 30.07S TC 23
NORTHERLY ISL* N/A 72 65 78 N9 N/A TC 22
LMZ740>746-201500-
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 10/ 16/ 17 1018.6R 3/ 5
WINTHROP HARBOR 71 71 330/ 16/ 21 N/A 4/ 5
WAUKEGAN HARBOR 71 74 N/A 4/ 5
WILMETTE BUOY 72 50/ 17/ 21 1020.2R 4/ 5
NORTHERLY ISL 73 360/ 8/ 15 N/A
CALUMET HARBOR 73 360/ 11/ 15 1017.1
BURNS HARBOR 72 20/ 10/ 12 1018.3S
MICHIGAN CITY 72 10/ 17/ 19 1016.1R
MICH CITY BUOY 72 75 360/ 16/ 19 1016.4R 6/ 5
ST. JOSEPH BUOY 70 73 10/ 14/ 19 1018.6R 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-201500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 75 70 84 N5 30.09R TC 24
GALESBURG* MOSUNNY 75 74 98 CALM 30.09F TC 24
MACOMB* SUNNY 76 72 88 NE3 30.11S TC 24
JACKSONVILLE* SUNNY 74 73 98 NE5 30.08S TC 23
PITTSFIELD* SUNNY 75 71 87 NE5 30.10S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-201500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 71 70 97 NE7 30.09R TC 22
BLOOMINGTON MOSUNNY 71 70 96 NE8 30.10S TC 22
DECATUR SUNNY 76 69 79 NE10 30.07S TC 24
PEORIA MOSUNNY 75 69 81 NE5 30.08S TC 24
LACON* CLOUDY 71 69 94 CALM 30.08S TC 22
LINCOLN* MOSUNNY 74 74 100 NE7 30.08R TC 24
SPRINGFIELD SUNNY 74 70 87 NE6 30.08R TC 23
TAYLORVILLE MOSUNNY 75 70 83 NE6 30.07S TC 24
ILZ033-039-045-046-055>057-062-063-201500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 76 66 71 N8 30.07R TC 24
DANVILLE* PTSUNNY 73 69 88 NE9 30.07S TC 23
RANTOUL* MOSUNNY 73 66 79 N9 30.08R TC 23
MATTOON MOSUNNY 74 67 78 N12 30.05S TC 23
PARIS* PTSUNNY 73 67 82 NE9 30.05F TC 23
ILZ079-100>102-201500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 75 68 78 NE7 30.07R TC 24
BELLEVILLE PTSUNNY 77 72 83 NE6 30.04R TC 25
CAHOKIA* MOSUNNY 76 70 82 NE8 30.06R TC 24
SPARTA* CLOUDY 75 72 91 N5 30.06R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 77 70 79 NE7 30.03R TC 25
CAIRO* CLOUDY 77 75 94 NE6 30.01S TC 25
EFFINGHAM* MOSUNNY 75 69 83 NE5 30.08R TC 24
MARION PTSUNNY 77 70 78 NE8 30.02S TC 25
MT. VERNON PTSUNNY 75 69 81 NE10 30.05R TC 24
CENTRALIA* MOSUNNY 75 67 77 NE6 30.05S TC 24
SALEM* MOSUNNY 74 68 81 NE6 30.06R TC 23
METROPOLIS* CLOUDY 76 75 97 NE7 30.01S TC 25
ILZ067-068-072-073-078-083-087-091-201500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 73 66 78 NE12 30.04R TC 23
FAIRFIELD* PTSUNNY 73 67 82 NE8 30.04S TC 23
HARRISBURG* PTSUNNY 76 69 80 NE9 30.03R TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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