751
ASUS43 KLOT 201310
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
FREEPORT* PTSUNNY 72 68 88 CALM 30.11 TC 22
ROCHELLE* CLOUDY 67 65 94 CALM 30.09S FOG TC 19
DE KALB* LGT RAIN 66 66 100 NE5 30.10S TC 19
PERU* CLOUDY 69 69 99 CALM 30.08S FOG TC 21
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
JOLIET* PTSUNNY 72 70 95 CALM 30.08F TC 22
WAUKEGAN MOSUNNY 72 65 78 N8 30.08S TC 22
DUPAGE AIRPORT SUNNY 71 66 84 N7 30.07S TC 22
KANKAKEE* SUNNY 72 68 88 N9 30.08R 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 69 74 20/ 17/ 21 1018.2R 3/ 5
WINTHROP HARBOR 71 70 300/ 16/ 19 N/A 3/ 5
WAUKEGAN HARBOR 71 74 300/ 12/ 17 N/A 3/ 5
WILMETTE BUOY 73 40/ 16/ 21 1019.9F 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 10/ 22/ 23 1015.9F
MICH CITY BUOY 73 75 350/ 16/ 21 1016.2R 7/ 6
ST. JOSEPH BUOY 70 73 10/ 12/ 17 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
JACKSONVILLE* SUNNY 71 71 99 N3 30.08R TC 22
PITTSFIELD* SUNNY 72 71 96 N3 30.09S 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
PONTIAC CLOUDY 67 67 97 CALM 30.08S FOG TC 20
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 SUNNY 70 68 94 N5 30.07R TC 21
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
PARIS* CLOUDY 69 68 96 N7 30.05S 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
SPARTA* CLOUDY 73 72 95 N6 30.05S 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
EFFINGHAM* MOSUNNY 72 69 91 CALM 30.07R TC 22
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* MOSUNNY 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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