280
ASUS43 KLOT 201301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-201400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 71 71 100 CALM 30.07S TC 22
ILZ003-004-008-010-011-017-018-201400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 68 67 96 VRB5 30.10R TC 20
ILZ005-006-012>014-019>023-201400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 71 65 81 N14 30.06S TC 22
CHICAGO-MIDWAY MOSUNNY 73 66 78 N12 30.06S TC 23
AURORA MOSUNNY 71 67 87 NE3 30.08R TC 22
WAUKEGAN MOSUNNY 72 65 78 N8 30.08S TC 22
DUPAGE AIRPORT SUNNY 71 66 84 N7 30.07S TC 22
WHEELING SUNNY 72 67 84 N7 30.08S TC 22
MORRIS* MOSUNNY 69 69 100 CALM 30.07S TC 21
ROMEOVILLE* MOSUNNY 72 72 100 N5 30.08S TC 22
LANSING* CLOUDY 70 66 87 N9 30.07R TC 21
NORTHERLY ISL* N/A 71 64 78 E9 N/A TC 22
LMZ740>746-201400-
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 70 74 10/ 17/ 21 1018.2R
WINTHROP HARBOR 71 69 290/ 14/ 19 N/A 3/ 5
WAUKEGAN HARBOR 70 74 300/ 12/ 14 N/A 3/ 5
WILMETTE BUOY 73 50/ 16/ 19 1020.0S 4/ 4
NORTHERLY ISL 71 360/ 13 N/A
CALUMET HARBOR 73 350/ 10/ 16 1016.8
BURNS HARBOR 72 20/ 11/ 13 1018.3R
MICHIGAN CITY 72 350/ 22/ 24 1015.9F
MICH CITY BUOY 73 75 350/ 16/ 21 1016.2R 7/ 6
ST. JOSEPH BUOY 70 73 10/ 14/ 16 1018.3R 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-201400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 72 69 90 N6 30.08R TC 22
GALESBURG* SUNNY 70 70 100 CALM 30.10R TC 21
MACOMB* PTSUNNY 71 69 95 CALM 30.10S TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-201400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON FOG 67 67 100 N5 30.09S VSB 1/8 TC 19
DECATUR SUNNY 73 70 90 NE7 30.07R TC 23
PEORIA SUNNY 72 69 90 NE3 30.08R TC 22
LACON* FOG 69 67 95 CALM 30.08R VSB 1/4 TC 21
LINCOLN* SUNNY 70 70 100 CALM 30.07S TC 21
SPRINGFIELD SUNNY 70 68 93 N5 30.07R TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 73 68 84 N5 30.06F TC 23
DANVILLE* MOSUNNY 70 68 95 N3 30.07R TC 21
RANTOUL* SUNNY 71 67 87 N7 30.07S TC 22
MATTOON MOSUNNY 70 67 90 N8 30.05R TC 21
ILZ079-100>102-201400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 72 68 88 NE6 30.06R TC 22
BELLEVILLE MOSUNNY 74 71 89 NE5 30.03R TC 23
CAHOKIA* MOSUNNY 73 69 87 NE9 30.05R TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 75 72 90 NE5 30.02R TC 24
CAIRO* CLOUDY 76 74 96 NE3 30.01R TC 24
MARION CLOUDY 73 72 94 E8 30.02R TC 23
MT. VERNON SUNNY 73 70 90 NE8 30.04R TC 23
CENTRALIA* MOSUNNY 73 69 86 NE3 30.04S TC 23
SALEM* SUNNY 73 68 86 NE7 30.05R TC 23
METROPOLIS* CLOUDY 75 74 96 CALM 30.01R TC 24
ILZ067-068-072-073-078-083-087-091-201400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 72 66 81 NE9 30.03R TC 22
FLORA* SUNNY 73 70 88 NE9 30.04R TC 23
FAIRFIELD* MOSUNNY 72 69 92 NE3 30.03R TC 22
HARRISBURG* PTSUNNY 74 70 86 NE6 30.02S TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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