765
ASUS43 KLOT 170103
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM 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.
ILZ001-002-007-009-015-016-024-170200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 78 70 76 NW7 29.97S HX 80 TC 26
STERLING* MOCLDY 78 71 79 NW8 29.98R HX 80 TC 26
SAVANNA* PTCLDY 76 65 67 NW9 29.99R TC 24
ILZ003-004-008-010-011-017-018-170200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 77 68 73 N13 29.98R TC 25
FREEPORT* PTCLDY 75 68 79 N10 29.99S TC 24
ILZ005-006-012>014-019>023-170200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 81 71 71 NW8 29.91R HX 85 TC 27
CHICAGO-MIDWAY MOCLDY 82 72 71 W7 29.91R HX 87 TC 28
AURORA CLOUDY 76 74 93 SW6 29.94R TC 24
WAUKEGAN PTCLDY 78 68 71 NW7 29.92R HX 80 TC 26
DUPAGE AIRPORT PTCLDY 79 73 82 W5 29.93R HX 82 TC 26
WHEELING PTCLDY 82 71 69 NW9 29.93R HX 86 TC 28
LANSING* MOCLDY 80 72 76 W7 29.93R HX 84 TC 27
NORTHERLY ISL* N/A 83 67 58 W6 N/A HX 85 TC 28
LMZ740>746-170200-
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 79 75 310/ 8/ 10 1014.8F 1
WAUKEGAN HARBOR 80 75 340/ 8/ 10 1014.0R 0
WILMETTE BUOY 79 290/ 6/ 8 1016.5S 1
CHICAGO BUOY 77 74 1011.8R 1
HARRISON CRIB 82 320/ 7/ 8 N/A
NORTHERLY ISL 80 CALM / 9 N/A
CALUMET HARBOR 83 260/ 3/ 7 1012.9
MICHIGAN CITY 81 260/ 5/ 5 1010.8R
MICH CITY BUOY 78 74 230/ 2/ 4 N/A 0
ST. JOSEPH BUOY 76 75 220/ 2/ 2 1013.4R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-170200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 76 73 91 NW5 30.01S TC 24
MACOMB* MOCLDY 76 76 100 CALM 30.02S TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-170200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 77 77 100 W7 30.00R TC 25
DECATUR CLOUDY 76 72 87 NW7 30.00R TC 24
PEORIA MOCLDY 78 76 93 W5 29.98R HX 81 TC 26
SPRINGFIELD MOCLDY 77 75 93 W5 29.99R TC 25
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-170200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 74 73 97 NW7 29.99R TC 23
MATTOON CLOUDY 79 73 82 W6 29.97R HX 82 TC 26
ILZ079-100>102-170200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 84 75 74 VRB3 29.97R HX 92 TC 29
CAHOKIA* CLEAR 86 75 69 N8 29.95R HX 95 TC 30
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MARION PTCLDY 84 77 78 CALM 29.96S HX 93 TC 29
MT. VERNON CLEAR 85 77 77 CALM 29.95S HX 95 TC 29
SALEM* N/A 82 79 91 MISG 29.96R HX 91 TC 28
ILZ067-068-072-073-078-083-087-091-170200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 83 77 82 W5 29.93F HX 92 TC 28
FAIRFIELD* CLEAR 83 73 72 CALM 29.95S HX 89 TC 28
HARRISBURG* N/A N/A N/A N/A CALM 29.95
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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