997
ASUS43 KLOT 162301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-170000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 79 74 84 W9 29.98R HX 82 TC 26
STERLING* PTSUNNY 81 76 84 W13 29.96R HX 87 TC 27
SAVANNA* PTSUNNY 83 69 63 W9 29.98R HX 86 TC 28
ILZ003-004-008-010-011-017-018-170000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 84 70 62 NW15 29.94R HX 88 TC 29
FREEPORT* PTSUNNY 81 72 74 NW9 29.98R HX 86 TC 27
ILZ005-006-012>014-019>023-170000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 85 72 65 W9 29.89F HX 91 TC 29
CHICAGO-MIDWAY PTSUNNY 83 75 77 NW7 29.89F HX 90 TC 28
AURORA PTSUNNY 82 74 76 W8 29.92S HX 88 TC 28
JOLIET* PTSUNNY 85 76 73 CALM 29.92R HX 94 TC 30
WAUKEGAN PTSUNNY 83 72 69 W8 29.89S HX 88 TC 28
DUPAGE AIRPORT PTSUNNY 83 72 69 W9 29.91S HX 88 TC 28
WHEELING PTSUNNY 85 71 63 NW9 29.91S HX 90 TC 29
LANSING* PTSUNNY 84 73 69 NW8 29.90F HX 89 TC 29
NORTHERLY ISL* N/A 85 69 58 W5 N/A HX 89 TC 29
LMZ740>746-170000-
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 82 75 270/ 8/ 12 1021.2F 1
WAUKEGAN HARBOR 83 75 290/ 10/ 12 1013.6R 1
WILMETTE BUOY 79 310/ 4/ 8 1016.5R 1
CHICAGO BUOY 77 75 1011.5F 1
HARRISON CRIB 82 140/ 8/ 8 N/A
NORTHERLY ISL 81 280/ 4/ 9 N/A
CALUMET HARBOR 81 30/ 2/ 2 1012.8
MICHIGAN CITY 83 240/ 2/ 3 1010.7F
MICH CITY BUOY 79 74 150/ 2/ 2 N/A 0
ST. JOSEPH BUOY 76 75 190/ 4/ 6 1013.6F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-170000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 79 73 82 NW10 30.01S HX 82 TC 26
MACOMB* PTSUNNY 77 77 98 W10 30.02F TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-170000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 77 77 100 W12 29.99R TC 25
DECATUR PTSUNNY 79 73 82 W8 29.97S HX 82 TC 26
PEORIA CLOUDY 81 77 88 SW9 29.97R HX 88 TC 27
LINCOLN* CLOUDY 79 79 100 CALM 29.99R HX 83 TC 26
SPRINGFIELD CLOUDY 79 75 87 W5 29.99R HX 83 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-170000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 77 73 87 SW6 29.95F TC 25
MATTOON PTSUNNY 79 73 82 SW6 29.96F HX 82 TC 26
ILZ079-100>102-170000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 90 75 62 VRB3 29.97F HX 100 TC 32
CAHOKIA* SUNNY 92 75 57 S3 29.95F HX 103 TC 33
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MT. VERNON MOSUNNY 95 75 52 SW6 29.97F HX 107 TC 35
CENTRALIA* SUNNY 91 73 56 CALM 29.97F HX 100 TC 33
SALEM* N/A 88 76 67 MISG 29.97F HX 99 TC 31
ILZ067-068-072-073-078-083-087-091-170000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 88 77 69 W6 29.96F HX 100 TC 31
FAIRFIELD* MOSUNNY 91 70 51 CALM 29.96F HX 96 TC 33
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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