321
ASUS43 KLOT 161606
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM 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.
ILZ001-002-007-009-015-016-024-161700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 82 76 81 W7 30.02R HX 89 TC 28
STERLING* CLOUDY 81 78 91 W10 30.01R HX 89 TC 27
SAVANNA* CLOUDY 79 74 84 N9G16 30.00F HX 83 TC 26
ILZ003-004-008-010-011-017-018-161700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 81 74 79 W10 30.00R HX 86 TC 27
FREEPORT* CLOUDY 79 78 95 W8G16 30.03R HX 84 TC 26
ROCHELLE* PTSUNNY 81 74 80 NW8 30.00S HX 86 TC 27
DE KALB* CLOUDY 79 75 86 NW9 30.01R HX 83 TC 26
PERU* PTSUNNY 81 75 83 NW7 30.02R HX 86 TC 27
ILZ005-006-012>014-019>023-161700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 80 73 79 W10 29.96S HX 84 TC 27
CHICAGO-MIDWAY PTSUNNY 79 73 82 W10 29.97S HX 82 TC 26
AURORA CLOUDY 80 74 81 W9 29.99R HX 85 TC 27
JOLIET* CLOUDY 79 78 96 W5 29.99S HX 83 TC 26
WAUKEGAN CLOUDY 78 74 87 W8 29.95S HX 81 TC 26
DUPAGE AIRPORT CLOUDY 79 73 82 W10 29.98R HX 82 TC 26
KANKAKEE* CLOUDY 80 77 93 NW6 30.00S HX 85 TC 26
WHEELING CLOUDY 79 73 82 NW12 29.98R HX 82 TC 26
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 79 71 76 SW6 N/A HX 82 TC 26
LMZ740>746-161700-
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 77 74 270/ 6/ 8 1018.2 0
WAUKEGAN HARBOR 77 74 280/ 10/ 14 1015.2 0
WILMETTE BUOY 76 350/ 6/ 10 1017.7R 1
CHICAGO BUOY 78 73 1013.4 1
HARRISON CRIB 78 270/ 10/ 11 N/A
NORTHERLY ISL 78 240/ 6/ 9 N/A
CALUMET HARBOR 220/ 3/ 5 1014.8
MICHIGAN CITY 74 240/ 14/ 15 1013.3S
MICH CITY BUOY 74 74 240/ 8/ 10 N/A 2/ 3
ST. JOSEPH BUOY 74 74 260/ 8/ 10 1015.3F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-161700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 82 78 88 W6 30.07R HX 91 TC 28
GALESBURG* PTSUNNY 83 78 84 W8 30.05R HX 92 TC 28
MACOMB* PTSUNNY 83 81 94 W7 30.08R HX 96 TC 28
JACKSONVILLE* PTSUNNY 83 77 82 SW10G16 30.07R HX 91 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-161700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 82 77 85 W8 30.01R HX 89 TC 28
BLOOMINGTON CLOUDY 81 78 91 W10 30.04R HX 89 TC 27
DECATUR PTSUNNY 82 75 79 W10 30.04R HX 89 TC 28
PEORIA PTSUNNY 84 76 76 NW9 30.03R HX 93 TC 29
LACON* MOSUNNY 83 74 75 NW7 30.00R HX 89 TC 28
LINCOLN* PTSUNNY 86 77 75 W8 30.04R HX 96 TC 30
SPRINGFIELD MOSUNNY 84 77 79 W9 30.05R HX 94 TC 29
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-161700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 82 76 81 W9 30.03R HX 89 TC 28
RANTOUL* MOSUNNY 81 75 83 W14 30.02R HX 87 TC 27
MATTOON PTSUNNY 79 76 90 SW7 30.03R HX 83 TC 26
PARIS* CLOUDY 79 74 85 W5 30.03R HX 83 TC 26
ILZ079-100>102-161700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 77 73 88 W8 30.08R TC 25
BELLEVILLE CLOUDY 84 75 74 N12 30.06R HX 92 TC 29
CAHOKIA* LGT RAIN 79 73 82 NW7 30.08R HX 82 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-161700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 90 75 62 W7 30.06S HX 100 TC 32
CAIRO* SUNNY 91 78 66 W6 30.08S HX 106 TC 33
EFFINGHAM* PTSUNNY 83 80 91 S5 30.06S HX 94 TC 28
MT. VERNON PTSUNNY 87 76 69 SW6 30.07R HX 97 TC 31
CENTRALIA* PTSUNNY 86 75 69 W6 30.08R HX 95 TC 30
SALEM* N/A 85 77 75 MISG 30.07R HX 96 TC 30
METROPOLIS* SUNNY 91 74 56 SW7 30.08S HX 100 TC 33
ILZ067-068-072-073-078-083-087-091-161700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 84 75 74 W3 30.04S HX 92 TC 29
FLORA* PTSUNNY 86 75 70 CALM 30.06R HX 95 TC 30
FAIRFIELD* PTSUNNY 86 73 66 SW3 30.06R HX 93 TC 30
ROBINSON* CLOUDY 82 77 83 SW5 30.03S HX 91 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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