693
ASUS43 KLOT 161802
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM CDT SAT AUG 16 2025
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.
ILZ001-002-007-009-015-016-024-161900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 88 77 69 SE3 30.04S HX 100 TC 31
6HR MIN TEMP: 70; 6HR MAX TEMP: 88;
STERLING* PTSUNNY 88 77 69 SW3 30.07F HX 100 TC 31
ILZ003-004-008-010-011-017-018-161900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 88 74 63 S7 30.05F HX 96 TC 31
6HR MIN TEMP: 70; 6HR MAX TEMP: 89;
ILZ005-006-012>014-019>023-161900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 92 71 50 W12 30.05R HX 98 TC 33
6HR MIN TEMP: 76; 6HR MAX TEMP: 93;
CHICAGO-MIDWAY PTSUNNY 92 71 50 W5 30.04F HX 98 TC 33
6HR MIN TEMP: 78; 6HR MAX TEMP: 92;
AURORA MOSUNNY 91 75 59 W6 30.07R HX 101 TC 33
6HR MIN TEMP: 69; 6HR MAX TEMP: 91;
WAUKEGAN PTSUNNY 93 70 46 W6 30.05R HX 99 TC 34
6HR MIN TEMP: 76; 6HR MAX TEMP: 93;
DUPAGE AIRPORT MOSUNNY 92 73 53 W14 30.06R HX 100 TC 33
6HR MIN TEMP: 71; 6HR MAX TEMP: 92;
WHEELING MOSUNNY 93 71 48 NW9G16 30.06R HX 100 TC 34
6HR MIN TEMP: 78; 6HR MAX TEMP: 94;
MORRIS* SUNNY 90 79 69 CALM 30.06R HX 105 TC 32
ROMEOVILLE* SUNNY 91 75 59 W7G14 30.07S HX 102 TC 33
LANSING* MOSUNNY 91 74 57 W6 30.06F HX 99 TC 33
NORTHERLY ISL* N/A 86 71 60 E3 N/A HX 91 TC 30
LMZ740>746-161900-
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)
S. MID LAKE BUOY 78 77 210/ 6/ 6 1017.5R
WINTHROP HARBOR 79 76 140/ 2/ 4 N/A 1
WAUKEGAN HARBOR 78 77 130/ 4/ 6 N/A 0
WILMETTE BUOY 79 120/ 6/ 6 1020.4F 1
NORTHERLY ISL 85 130/ 3/ 6 N/A
CALUMET HARBOR 90 230/ 4/ 7 1016.2
BURNS HARBOR 83 350/ 2/ 2 1017.9F
MICHIGAN CITY 80 10/ 5/ 6 1015.7F
MICH CITY BUOY 80 79 50/ 4/ 4 1016.0F 0
ST. JOSEPH BUOY 79 78 200/ 4/ 6 1018.7F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-161900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 92 77 61 SW6 30.06S HX 105 TC 33
MACOMB* MOSUNNY 91 79 66 W5 30.08S HX 107 TC 33
ILZ028>032-037-038-041>044-048-051>054-059>061-161900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 90 78 68 SW9 30.09R HX 104 TC 32
DECATUR SUNNY 93 78 61 SW14 30.07F HX 108 TC 34
PEORIA PTSUNNY 90 76 63 CALM 30.07R HX 101 TC 32
6HR MIN TEMP: 75; 6HR MAX TEMP: 90;
SPRINGFIELD SUNNY 93 77 59 S8 30.05F HX 107 TC 34
6HR MIN TEMP: 75; 6HR MAX TEMP: 93;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-161900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 94 75 54 SW9 30.08S HX 105 TC 34
DANVILLE* SUNNY 92 75 56 SW7 30.09S HX 103 TC 34
MATTOON SUNNY 91 73 55 S8G18 30.09S HX 99 TC 33
ILZ079-100>102-161900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 93 77 59 S8 30.07F HX 107 TC 34
BELLEVILLE SUNNY 94 78 58 S6 30.05F HX 109 TC 35
CAHOKIA* SUNNY 94 77 57 S7 30.06F HX 108 TC 34
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-161900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 92 73 53 S5 30.09F HX 100 TC 33
6HR MIN TEMP: 71; 6HR MAX TEMP: 93;
MARION MOSUNNY 93 73 52 W3 30.09F HX 102 TC 34
MT. VERNON SUNNY 96 72 45 S8 30.09F HX 104 TC 36
CENTRALIA* SUNNY 95 72 46 SW7 30.08F HX 103 TC 35
SALEM* SUNNY 94 72 49 S5 30.09F HX 102 TC 34
METROPOLIS* MOSUNNY 94 69 43 CALM 30.10F HX 98 TC 34
ILZ067-068-072-073-078-083-087-091-161900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 91 73 55 VRB3 30.09F HX 99 TC 33
FAIRFIELD* SUNNY 91 74 57 S7 30.09F HX 99 TC 33
HARRISBURG* MOSUNNY 94 71 46 CALM 30.09F HX 100 TC 34
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page