411
ASUS43 KLOT 170756
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT MON AUG 17 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.
ILZ001-002-007-009-015-016-024-170900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 65 65 100 CALM 30.02S TC 18
ILZ003-004-008-010-011-017-018-170900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 64 61 90 NW5 30.02S TC 18
ILZ005-006-012>014-019>023-170900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 68 61 78 NW6 29.96F TC 20
CHICAGO-MIDWAY NOT AVBL
AURORA CLEAR 63 63 100 NW3 29.98F TC 17
WAUKEGAN CLEAR 66 62 87 NW7 29.96F TC 19
DUPAGE AIRPORT CLEAR 65 63 93 NW3 29.97F TC 18
WHEELING CLEAR 67 62 84 N3 29.98F TC 19
NORTHERLY ISL* N/A 71 61 70 NW8 N/A TC 22
LMZ740>746-170900-
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 70 74 320/ 12/ 16 1014.3F 1/ 4
WAUKEGAN HARBOR 70 74 300/ 10/ 14 1015.1F 1/ 3
WILMETTE BUOY 72 20/ 14/ 17 1017.3F 3/ 4
CHICAGO BUOY 73 73 1013.5F 2/ 4
HARRISON CRIB 73 320/ 11/ 12 N/A
NORTHERLY ISL 72 320/ 7/ 10 N/A
CALUMET HARBOR 330/ 5/ 9 1014.7
MICHIGAN CITY 74 350/ 13/ 14 1012.5F
MICH CITY BUOY 74 74 340/ 12/ 16 N/A 3/ 4
ST. JOSEPH BUOY 74 74 340/ 12/ 14 1014.8F 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-170900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-170900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD MOCLDY 73 71 93 N7 29.99F TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-170900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MATTOON CLOUDY 73 73 100 CALM 29.97R TC 23
ILZ079-100>102-170900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MT. VERNON TSTM 73 73 100 E3 29.99R FOG TC 23
ILZ067-068-072-073-078-083-087-091-170900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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