663
ASUS43 KLOT 190901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-191000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 68 67 96 CALM 29.91F TC 20
STERLING* CLOUDY 68 68 100 CALM 29.95R TC 20
SAVANNA* MOCLDY 65 64 97 N3 29.93S FOG TC 18
ILZ003-004-008-010-011-017-018-191000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 61 61 100 CALM 29.94F TC 16
FREEPORT* N/A 61 59 95 CALM 29.96S VSB 1/2 TC 16
ILZ005-006-012>014-019>023-191000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 66 65 96 CALM 29.92F TC 19
CHICAGO-MIDWAY MOCLDY 67 66 97 SE3 29.92F TC 19
AURORA MOCLDY 63 63 100 CALM 29.92F TC 17
JOLIET* FOG 68 68 100 CALM 29.93S VSB 1 TC 20
WAUKEGAN MOCLDY 63 62 97 W5 29.91F TC 17
DUPAGE AIRPORT MOCLDY 65 65 100 CALM 29.92F TC 18
WHEELING MOCLDY 65 65 100 CALM 29.93F TC 18
LANSING* MOCLDY 67 67 100 CALM 29.93F FOG TC 19
NORTHERLY ISL* N/A 68 65 90 SW2 N/A TC 20
LMZ740>746-191000-
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 67 73 N/A 0
WAUKEGAN HARBOR 67 74 N/A 0
WILMETTE BUOY 70 310/ 6/ 8 1015.9F 1
CHICAGO BUOY 72 73 1012.1F 1
NORTHERLY ISL 69 180/ 1/ 8 N/A
CALUMET HARBOR 68 320/ 1/ 2 1013.6
MICH CITY BUOY 73 74 260/ 8/ 10 N/A 1/ 3
ST. JOSEPH BUOY 71 74 220/ 8/ 10 1014.1S 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-191000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 72 69 90 SE6 29.93F TC 22
MACOMB* MOCLDY 70 70 100 CALM 29.96F TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-191000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
DECATUR CLOUDY 70 68 93 CALM 29.97R TC 21
PEORIA MOCLDY 70 69 97 CALM 29.94S TC 21
SPRINGFIELD MOCLDY 70 69 97 S3 29.95F TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-191000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 66 66 100 CALM 29.96S TC 19
MATTOON CLOUDY 71 67 87 S5 29.95F TC 22
ILZ079-100>102-191000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* LGT RAIN 73 71 93 S5 29.92F TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-191000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MARION MOCLDY 71 69 92 CALM 29.96F TC 22
MT. VERNON LGT RAIN 71 69 93 CALM 29.97R TC 22
CENTRALIA* LGT RAIN 73 70 91 CALM 29.94F TC 23
SALEM* RAIN 73 71 91 MISG 29.95F TC 23
ILZ067-068-072-073-078-083-087-091-191000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 70 67 90 S3 29.96S TC 21
FAIRFIELD* CLOUDY 69 67 95 CALM 29.95S TC 21
HARRISBURG* PTCLDY 67 67 100 CALM 29.95F TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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