685
ASUS43 KLOT 191601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CDT WED AUG 19 2026
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.
ILZ001-002-007-009-015-016-024-191700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 80 70 71 E3 29.94R HX 83 TC 27
STERLING* MOSUNNY 78 68 71 E7 29.96S HX 80 TC 26
SAVANNA* SUNNY 76 67 72 CALM 29.96R TC 25
ILZ003-004-008-010-011-017-018-191700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 75 65 70 SE3 29.98R TC 24
FREEPORT* MOSUNNY 75 69 82 E3 29.99R TC 24
ILZ005-006-012>014-019>023-191700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 75 66 73 CALM 29.95R TC 24
CHICAGO-MIDWAY PTSUNNY 76 66 71 SE3 29.95R TC 24
AURORA MOSUNNY 75 68 78 VRB3 29.95S TC 24
JOLIET* PTSUNNY 80 67 65 E6 29.95F HX 82 TC 26
WAUKEGAN PTSUNNY 72 66 81 NE5 29.96S TC 22
DUPAGE AIRPORT MOSUNNY 75 68 78 NE3 29.95S TC 24
WHEELING PTSUNNY 73 67 81 NE3 29.98R TC 23
LANSING* PTSUNNY 77 66 69 CALM 29.96S TC 25
NORTHERLY ISL* N/A 74 66 76 NE7 N/A TC 23
LMZ740>746-191700-
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)
WINTHROP HARBOR 71 73 10/ 8/ 10 1020.8R 1/ 3
WAUKEGAN HARBOR 71 74 20/ 6/ 10 1015.3R 1
WILMETTE BUOY 72 60/ 8/ 12 1017.6R 1/ 3
CHICAGO BUOY 72 73 1013.7R 1/ 3
NORTHERLY ISL 75 30/ 4/ 8 N/A
CALUMET HARBOR 72 360/ 5/ 7 1014.8
MICH CITY BUOY 73 74 20/ 4/ 4 N/A 1/ 3
ST. JOSEPH BUOY 72 75 360/ 4/ 6 1015.3R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-191700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 76 70 82 S3 29.94R TC 24
MACOMB* PTSUNNY 80 74 82 CALM 29.96S HX 84 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-191700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 81 71 71 E3 29.98R HX 85 TC 27
DECATUR CLOUDY 78 71 79 SW7 29.97R HX 80 TC 26
PEORIA PTSUNNY 80 71 74 CALM 29.95R HX 84 TC 27
SPRINGFIELD MOSUNNY 79 71 76 CALM 29.95S HX 82 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-191700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 80 71 74 SW6 29.97R HX 84 TC 27
MATTOON CLOUDY 75 71 87 S7 29.98S TC 24
ILZ079-100>102-191700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 79 72 78 SW10 29.96S HX 82 TC 26
BELLEVILLE PTSUNNY 79 75 87 SW8 29.94S HX 84 TC 26
CAHOKIA* PTSUNNY 79 71 76 S8 29.95S HX 82 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-191700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE LGT RAIN 72 70 94 S12 30.02F TC 22
CAIRO* CLOUDY 72 71 96 CALM 30.06R TC 22
MT. VERNON PTSUNNY 75 72 90 SW9 29.98F TC 24
CENTRALIA* PTSUNNY 78 71 80 SW13G18 29.98R TC 25
SALEM* N/A 75 71 88 MISG 29.98R TC 24
ILZ067-068-072-073-078-083-087-091-191700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 73 69 87 SW7 30.01R TC 23
FLORA* PTSUNNY 73 72 94 SW5 29.99S TC 23
FAIRFIELD* PTSUNNY 72 70 93 S9 29.98F TC 22
HARRISBURG* RAIN 71 70 97 W13G18 30.02S TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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