258
ASUS43 KLOT 191803
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM 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.
ILZ001-002-007-009-015-016-024-191900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 83 69 62 CALM 29.92F HX 86 TC 28
6HR MIN TEMP: 68; 6HR MAX TEMP: 83;
STERLING* PTSUNNY 82 66 58 CALM 29.95F HX 84 TC 28
SAVANNA* MOSUNNY 80 65 59 CALM 29.95F HX 82 TC 27
ILZ003-004-008-010-011-017-018-191900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 81 64 56 NW3 29.96F HX 82 TC 27
6HR MIN TEMP: 62; 6HR MAX TEMP: 81;
FREEPORT* SUNNY 78 67 68 CALM 29.98F HX 80 TC 26
ILZ005-006-012>014-019>023-191900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 79 66 64 VRB6 29.94F HX 81 TC 26
6HR MIN TEMP: 67; 6HR MAX TEMP: 79;
CHICAGO-MIDWAY PTSUNNY 79 68 69 E8 29.94F HX 81 TC 26
6HR MIN TEMP: 67; 6HR MAX TEMP: 80;
AURORA MOSUNNY 81 65 58 VRB5 29.94F HX 83 TC 27
6HR MIN TEMP: 63; 6HR MAX TEMP: 81;
WAUKEGAN PTSUNNY 75 66 73 N6 29.96S TC 24
6HR MIN TEMP: 63; 6HR MAX TEMP: 75;
DUPAGE AIRPORT MOSUNNY 80 65 59 CALM 29.94F HX 82 TC 27
6HR MIN TEMP: 63; 6HR MAX TEMP: 81; 6HR PCP: TRACE;
WHEELING PTSUNNY 76 67 73 NE6 29.97F TC 24
6HR MIN TEMP: 65; 6HR MAX TEMP: 77;
LANSING* PTSUNNY 79 67 67 NE5 29.95F HX 81 TC 26
NORTHERLY ISL* N/A 76 66 71 NE6 N/A TC 24
LMZ740>746-191900-
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 72 74 10/ 8/ 10 1019.9R 1/ 3
WAUKEGAN HARBOR 72 74 20/ 8/ 12 1015.5F 1/ 3
WILMETTE BUOY 72 60/ 8/ 10 1018.2S 1
CHICAGO BUOY 73 74 1013.7S 1/ 3
NORTHERLY ISL 75 50/ 5/ 8 N/A
CALUMET HARBOR 73 20/ 7/ 10 1014.7F
MICH CITY BUOY 73 75 20/ 6/ 8 N/A 1
ST. JOSEPH BUOY 72 76 360/ 6/ 8 1015.4R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-191900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 77 70 79 S5 29.94F TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-191900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 79 72 79 VRB5 29.95F HX 82 TC 26
DECATUR PTSUNNY 81 71 71 SW6 29.94F HX 85 TC 27
PEORIA CLOUDY 81 70 69 CALM 29.93F HX 84 TC 27
6HR MIN TEMP: 70; 6HR MAX TEMP: 82;
SPRINGFIELD PTSUNNY 81 71 71 CALM 29.93F HX 85 TC 27
6HR MIN TEMP: 69; 6HR MAX TEMP: 81;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-191900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 81 71 71 S3 29.94F HX 85 TC 27
MATTOON PTSUNNY 80 71 74 SW8 29.95F HX 84 TC 27
ILZ079-100>102-191900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 79 72 78 SW8 29.95F HX 82 TC 26
BELLEVILLE MOSUNNY 80 74 82 W9 29.92F HX 84 TC 27
CAHOKIA* MOSUNNY 78 70 76 W6 29.94S HX 80 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-191900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 73 70 88 S9 29.94F TC 23
MT. VERNON MOSUNNY 82 70 66 S14 29.95F HX 86 TC 28
CENTRALIA* MOSUNNY 82 71 68 SW10G16 29.95F HX 86 TC 28
ILZ067-068-072-073-078-083-087-091-191900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 78 71 79 SW8 29.97F HX 80 TC 26
FAIRFIELD* MOSUNNY 81 68 64 SW10 29.96F HX 84 TC 27
HARRISBURG* PTSUNNY 75 70 86 SW6 29.98F TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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