745
ASUS43 KLOT 161710
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-161800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 82 75 79 NW9 30.03R HX 89 TC 28
STERLING* CLOUDY 84 78 82 W12 30.02R HX 95 TC 29
SAVANNA* CLOUDY 79 73 81 NW7 30.03R HX 82 TC 26
ILZ003-004-008-010-011-017-018-161800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 83 74 74 W10 30.00S HX 89 TC 28
FREEPORT* CLOUDY 79 78 95 NW6 30.03R HX 84 TC 26
PERU* CLOUDY 82 75 78 W10 30.03R HX 89 TC 28
ILZ005-006-012>014-019>023-161800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 82 73 74 NW8 29.96S HX 87 TC 28
CHICAGO-MIDWAY PTSUNNY 82 73 74 W12 29.96F HX 87 TC 28
AURORA PTSUNNY 81 75 82 NW10 29.99S HX 87 TC 27
JOLIET* PTSUNNY 83 76 77 NW6 29.99S HX 91 TC 29
WAUKEGAN PTSUNNY 80 74 81 VRB7 29.95S HX 85 TC 27
DUPAGE AIRPORT PTSUNNY 82 73 74 NW10 29.98S HX 87 TC 28
WHEELING PTSUNNY 81 73 76 NW9 29.98S HX 86 TC 27
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 82 71 69 W6 N/A HX 86 TC 28
LMZ740>746-161800-
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 78 74 260/ 8/ 12 1020.1 1
WAUKEGAN HARBOR 79 74 300/ 10/ 12 1015.2 0
WILMETTE BUOY 76 360/ 8/ 10 1018.0R 1
CHICAGO BUOY 78 73 1013.5 1/ 3
HARRISON CRIB 80 300/ 10/ 12 N/A
NORTHERLY ISL 80 250/ 9/ 11 N/A
CALUMET HARBOR 81 250/ 2/ 9 1014.8
MICHIGAN CITY 75 230/ 12/ 13 1013.4R
MICH CITY BUOY 75 74 240/ 8/ 12 N/A 1/ 3
ST. JOSEPH BUOY 74 74 260/ 8/ 10 1015.3F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-161800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 74 70 87 NW13G29 30.09 THUNDER TC 23
MACOMB* PTSUNNY 83 80 93 W9G16 30.08S HX 95 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-161800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 84 79 85 W12 30.05R HX 96 TC 29
DECATUR MOSUNNY 85 77 77 W14G28 30.04S HX 95 TC 29
PEORIA PTSUNNY 84 76 76 NW8 30.03S HX 93 TC 29
LACON* MOSUNNY 84 73 69 W9 30.02R HX 90 TC 29
LINCOLN* PTSUNNY 86 77 74 W5 30.03F HX 97 TC 30
SPRINGFIELD PTSUNNY 86 77 74 W12 30.03F HX 97 TC 30
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-161800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 84 77 79 W14G23 30.03S HX 94 TC 29
RANTOUL* PTSUNNY 82 77 83 W15 30.03S HX 91 TC 28
MATTOON PTSUNNY 82 76 81 W5 30.04R HX 89 TC 28
ILZ079-100>102-161800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 79 75 89 SW5 30.04F HX 82 TC 26
BELLEVILLE DRIZZLE 82 77 83 CALM 30.02F HX 91 TC 28
CAHOKIA* PTSUNNY 82 74 76 SW5 30.04F HX 88 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-161800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 91 73 55 W7 30.06S HX 100 TC 33
CAIRO* SUNNY 93 79 62 NW5 30.07F HX 109 TC 34
EFFINGHAM* RAIN 81 80 95 W8 30.08R HX 92 TC 27
MT. VERNON PTSUNNY 87 75 67 VRB5 30.07S HX 96 TC 31
CENTRALIA* CLOUDY 87 75 66 W8 30.07F HX 96 TC 31
SALEM* N/A 88 77 70 MISG 30.07F HX 99 TC 31
ILZ067-068-072-073-078-083-087-091-161800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 89 75 63 VRB6 30.03F HX 99 TC 32
FAIRFIELD* PTSUNNY 88 73 60 W5 30.06R HX 95 TC 31
ROBINSON* PTSUNNY 86 79 79 W6 30.03S HX 99 TC 30
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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