886
ASUS43 KLOT 192301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-200000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 81 65 58 NE6 29.90R HX 83 TC 27
STERLING* PTSUNNY 83 65 54 NE7 29.92S HX 85 TC 28
SAVANNA* PTSUNNY 81 63 55 N3 29.92S HX 82 TC 27
ILZ003-004-008-010-011-017-018-200000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 80 64 58 NE5 29.94R HX 82 TC 27
FREEPORT* MOSUNNY 77 69 75 NE6 29.96R TC 25
ILZ005-006-012>014-019>023-200000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 75 64 68 NE12 29.93R TC 24
CHICAGO-MIDWAY CLOUDY 76 64 66 NE10 29.93S TC 24
AURORA PTSUNNY 78 67 68 NE7 29.92R HX 80 TC 26
JOLIET* CLOUDY 78 67 69 E8 29.92S HX 81 TC 26
WAUKEGAN MOSUNNY 73 59 61 NE8 29.94S TC 23
DUPAGE AIRPORT PTSUNNY 76 64 66 NE13 29.93R TC 24
WHEELING PTSUNNY 74 66 76 E8 29.96R TC 23
LANSING* PTSUNNY 74 66 75 NE7 29.94S TC 24
NORTHERLY ISL* N/A 73 65 75 NE10 N/A TC 23
LMZ740>746-200000-
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 73 74 30/ 12/ 14 1017.3F 1/ 3
WAUKEGAN HARBOR 73 74 10/ 12/ 17 1014.9S 1/ 3
WILMETTE BUOY 73 90/ 12/ 16 1017.3R 1/ 2
CHICAGO BUOY 74 74 1012.7R 2/ 3
NORTHERLY ISL 74 30/ 9/ 11 N/A
CALUMET HARBOR 74 20/ 8/ 11 1013.8
MICH CITY BUOY 73 74 40/ 14/ 16 N/A 2/ 3
ST. JOSEPH BUOY 73 76 20/ 14/ 17 1014.7R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-200000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 78 71 79 CALM 29.91R HX 80 TC 26
MACOMB* PTSUNNY 78 76 94 CALM 29.93S HX 81 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-200000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTSUNNY 79 72 79 CALM 29.92F HX 82 TC 26
DECATUR LGT RAIN 78 73 84 W3 29.91S HX 81 TC 26
PEORIA PTSUNNY 80 72 76 W6 29.90R HX 84 TC 27
SPRINGFIELD MOSUNNY 80 72 76 W5 29.91S HX 84 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-200000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 78 73 84 SW7 29.90F HX 81 TC 26
MATTOON LGT RAIN 77 72 84 W9 29.91F TC 25
ILZ079-100>102-200000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 79 72 78 CALM 29.91F HX 82 TC 26
CAHOKIA* PTSUNNY 80 72 76 CALM 29.90F HX 84 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MT. VERNON MOSUNNY 80 71 74 CALM 29.91F HX 84 TC 27
CENTRALIA* PTSUNNY 79 71 77 CALM 29.92S HX 82 TC 26
SALEM* PTSUNNY 80 73 79 MISG 29.92S HX 83 TC 26
ILZ067-068-072-073-078-083-087-091-200000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 81 70 69 S6 29.91F HX 84 TC 27
FAIRFIELD* MOSUNNY 79 70 73 CALM 29.91F HX 82 TC 26
HARRISBURG* MOSUNNY 83 72 68 NW5 29.91S HX 89 TC 29
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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