281
ASUS43 KLOT 162003
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-162100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 82 73 74 W10 29.98R HX 87 TC 28
STERLING* PTSUNNY 84 76 76 NE3 29.96F HX 93 TC 29
SAVANNA* PTSUNNY 84 72 67 NW5 29.96F HX 90 TC 29
ILZ003-004-008-010-011-017-018-162100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 85 73 67 W10 29.97F HX 91 TC 29
FREEPORT* PTSUNNY 84 76 76 W6 29.99F HX 92 TC 29
DE KALB* PTSUNNY 83 75 75 W13G20 29.99S HX 91 TC 29
ILZ005-006-012>014-019>023-162100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 85 72 65 W10 29.94F HX 91 TC 29
CHICAGO-MIDWAY PTSUNNY 85 73 67 NW12 29.94F HX 91 TC 29
AURORA PTSUNNY 84 77 79 W10 29.96F HX 94 TC 29
JOLIET* LGT RAIN 84 78 82 W5 29.97F HX 94 TC 29
WAUKEGAN PTSUNNY 83 74 74 W9G20 29.93F HX 89 TC 28
DUPAGE AIRPORT PTSUNNY 84 74 71 W13 29.95F HX 91 TC 29
WHEELING PTSUNNY 85 72 65 NW14 29.95F HX 91 TC 29
LANSING* PTSUNNY N/A N/A N/A W9 29.96
NORTHERLY ISL* N/A 86 69 56 NW9 N/A HX 90 TC 30
LMZ740>746-162100-
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 81 75 260/ 12/ 16 1021.9F 1
WAUKEGAN HARBOR 82 74 290/ 12/ 17 1014.8F 1
WILMETTE BUOY 78 320/ 4/ 8 1018.0F 1
CHICAGO BUOY 78 74 1013.2F 1/ 3
HARRISON CRIB 80 70/ 3/ 5 N/A
NORTHERLY ISL 83 290/ 7/ 11 N/A
CALUMET HARBOR 85 280/ 6/ 11 1014.4F
MICHIGAN CITY 77 270/ 5/ 6 1012.9F
MICH CITY BUOY 77 74 260/ 2/ 2 N/A 1
ST. JOSEPH BUOY 75 74 250/ 6/ 8 1015.3S 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-162100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 79 74 84 SW8 30.00F HX 82 TC 26
MACOMB* CLOUDY 77 77 100 W13 30.02R TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-162100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTSUNNY 78 78 100 W5 30.00F HX 81 TC 26
DECATUR PTSUNNY 75 71 87 NE12G23 30.01F THUNDER TC 24
PEORIA LGT RAIN 81 75 82 VRB6 29.93F HX 87 TC 27
LACON* PTSUNNY 85 73 66 CALM 29.95F HX 91 TC 29
LINCOLN* TSTM 75 75 100 CALM 29.97F TC 24
SPRINGFIELD CLOUDY 74 72 93 S6 29.98F TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-162100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 79 75 87 W12G28 30.03R FOG HX 83
MATTOON PTSUNNY 85 76 74 W9G21 30.01F HX 94 TC 29
ILZ079-100>102-162100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 88 75 66 NW8 30.02F HX 97 TC 31
CAHOKIA* MOSUNNY 91 75 59 N13 30.02S HX 101 TC 33
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-162100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* SUNNY 97 79 55 CALM 30.02F HX 115 TC 36
MT. VERNON PTSUNNY 95 74 50 VRB6 30.02F HX 105 TC 35
SALEM* N/A 86 75 70 MISG 30.04F HX 95 TC 30
ILZ067-068-072-073-078-083-087-091-162100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 88 75 65 NW14 30.01R HX 97 TC 31
FAIRFIELD* PTSUNNY 94 71 46 W6 30.01F HX 101 TC 35
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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