421
ASUS43 KLOT 161103
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT SUN AUG 16 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.
ILZ001-002-007-009-015-016-024-161200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 72 71 97 SW5 29.99R TC 22
STERLING* FOG 73 73 100 W6 29.99S VSB 1/2 TC 23
SAVANNA* MOCLDY 74 73 97 W5 29.99R TC 23
ILZ003-004-008-010-011-017-018-161200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 74 73 97 W5 29.97R TC 23
FREEPORT* CLOUDY 74 73 96 CALM 29.99S TC 23
ILZ005-006-012>014-019>023-161200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 73 72 96 SW8 29.94R TC 23
CHICAGO-MIDWAY CLOUDY 73 72 96 SW9 29.94S TC 23
AURORA CLOUDY 72 72 100 W7 29.96R TC 22
JOLIET* MOCLDY 73 73 100 W7 29.97R TC 23
WAUKEGAN MOCLDY 73 73 100 W6 29.92R TC 23
DUPAGE AIRPORT CLOUDY 72 72 100 SW9 29.96R FOG TC 22
WHEELING CLOUDY 74 73 97 W5 29.95R TC 23
ROMEOVILLE* DRIZZLE 72 72 100 SW8 29.97R TC 22
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 73 70 90 W6 N/A TC 23
LMZ740>746-161200-
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 75 74 180/ 4/ 4 1015.2F 1
WAUKEGAN HARBOR 75 74 280/ 2/ 6 1014.1R 1
WILMETTE BUOY 74 270/ 6/ 10 1016.3S 1
CHICAGO BUOY 74 72 1012.7R 1
HARRISON CRIB 74 250/ 13/ 14 N/A
NORTHERLY ISL 72 270/ 7/ 11 N/A
CALUMET HARBOR 72 220/ 4/ 9 1014.1
MICHIGAN CITY 72 200/ 13/ 15 1012.6R
MICH CITY BUOY 73 74 230/ 12/ 17 N/A 2/ 3
ST. JOSEPH BUOY 74 74 220/ 8/ 12 1014.4F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-161200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 76 75 97 CALM 30.02F TC 24
MACOMB* CLOUDY 75 75 100 SW5 30.05R TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-161200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON LGT RAIN 75 75 100 W3 30.02R TC 24
DECATUR CLOUDY 79 75 87 W9 30.03R HX 83 TC 26
PEORIA MOCLDY 73 72 96 SW3 30.00S TC 23
LINCOLN* CLOUDY 78 78 100 SW5 30.03R HX 81 TC 26
SPRINGFIELD MOCLDY 76 74 93 NW8 30.04R TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-161200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 77 76 96 SW7 30.02R TC 25
MATTOON LGT RAIN 76 70 82 SW8 30.01R TC 24
ILZ079-100>102-161200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* PTCLDY 77 73 87 CALM 30.03R TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-161200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MARION CLEAR 80 71 74 SW3 30.05R HX 83 TC 27
MT. VERNON PTCLDY 74 73 97 CALM 30.04R TC 23
CENTRALIA* PTCLDY 74 73 97 CALM 30.04R TC 23
SALEM* N/A 76 75 96 MISG 30.03S TC 25
ILZ067-068-072-073-078-083-087-091-161200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 77 73 87 SW5 30.03R TC 25
FAIRFIELD* PTCLDY 74 72 92 CALM 30.03R TC 24
HARRISBURG* PTCLDY 76 73 88 CALM 30.04S TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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