688
ASUS43 KLOT 162210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-162300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 82 74 76 W12 29.96R HX 88 TC 28
STERLING* CLOUDY 83 75 77 NW6 29.93F HX 90 TC 28
SAVANNA* PTSUNNY 85 72 65 NW12 29.93F HX 90 TC 29
ILZ003-004-008-010-011-017-018-162300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 84 72 67 W12 29.93F HX 89 TC 29
FREEPORT* PTSUNNY 84 74 72 NW9 29.96F HX 91 TC 29
ROCHELLE* PTSUNNY 82 71 70 NW5 29.93F HX 85 TC 28
DE KALB* PTSUNNY 83 73 72 W8 29.94F HX 89 TC 28
PERU* CLOUDY 82 75 78 W5 29.93R HX 89 TC 28
ILZ005-006-012>014-019>023-162300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 83 74 74 W6 29.90F HX 89 TC 28
CHICAGO-MIDWAY PTSUNNY 82 75 79 NW5 29.90F HX 89 TC 28
AURORA PTSUNNY 84 75 74 W7 29.92F HX 92 TC 29
JOLIET* MOSUNNY 86 75 70 NW5 29.92S HX 95 TC 30
WAUKEGAN MOSUNNY 84 73 69 W8 29.89F HX 90 TC 29
DUPAGE AIRPORT MOSUNNY 83 73 72 W5 29.91F HX 89 TC 28
KANKAKEE* MOSUNNY 84 74 73 NW3 29.92F HX 91 TC 29
WHEELING MOSUNNY 85 71 63 NW8 29.91F HX 90 TC 29
LANSING* MOSUNNY 84 74 70 NE3 29.90F HX 91 TC 29
NORTHERLY ISL* N/A 79 72 79 E2 N/A HX 82 TC 26
LMZ740>746-162300-
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/ 14 1021.7 1
WAUKEGAN HARBOR 83 75 290/ 8/ 14 1013.6 1
WILMETTE BUOY 79 290/ 4/ 6 1016.4F 1
CHICAGO BUOY 77 75 1011.5 1/ 3
HARRISON CRIB 83 CALM / 1 N/A
NORTHERLY ISL 78 80/ 3/ 12 N/A
CALUMET HARBOR 84 180/ 3/ 7 1012.9
MICHIGAN CITY 80 220/ 5/ 6 1011.5F
MICH CITY BUOY 78 74 150/ 2/ 4 N/A 1
ST. JOSEPH BUOY 76 74 170/ 4/ 4 1013.9F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-162300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 81 75 82 NW10 30.01R HX 87 TC 27
GALESBURG* CLOUDY 81 77 88 W10 30.00R HX 88 TC 27
MACOMB* LGT RAIN 77 76 96 W10 30.03R TC 25
JACKSONVILLE* CLOUDY 82 77 87 SW6 29.98S HX 90 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-162300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 84 78 82 W3 29.93R HX 95 TC 29
BLOOMINGTON PTSUNNY 77 77 100 SW8 29.97R TC 25
DECATUR MOSUNNY 77 72 84 SW6 29.97F TC 25
PEORIA CLOUDY 81 76 84 W12 29.96R HX 87 TC 27
LACON* PTSUNNY 82 74 76 CALM 29.94R HX 87 TC 28
LINCOLN* PTSUNNY 79 78 99 S6 29.96F HX 83 TC 26
SPRINGFIELD PTSUNNY 78 73 84 S5 29.97F HX 81 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-162300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 74 73 97 W5 29.96S TC 23
RANTOUL* PTSUNNY 74 73 96 SW13 29.96R TC 24
MATTOON MOSUNNY 77 72 84 SW3 29.97F TC 25
ILZ079-100>102-162300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 90 77 66 SE6 29.98F HX 102 TC 32
BELLEVILLE MOSUNNY 91 79 68 SE6 29.95F HX 107 TC 33
CAHOKIA* SUNNY 93 74 53 CALM 29.96F HX 103 TC 34
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-162300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 93 73 52 S3 29.97F HX 102 TC 34
CAIRO* SUNNY 98 78 52 CALM 29.97F HX 114 TC 37
EFFINGHAM* MOSUNNY 87 80 79 W6 29.99F HX 101 TC 30
MT. VERNON PTSUNNY 94 74 52 CALM 29.98F HX 104 TC 34
CENTRALIA* PTSUNNY 91 73 56 CALM 29.99F HX 99 TC 33
SALEM* N/A 88 76 67 MISG 29.99F HX 99 TC 31
METROPOLIS* SUNNY 98 74 46 W7 29.97F HX 109 TC 37
ILZ067-068-072-073-078-083-087-091-162300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 87 77 72 W7 29.98F HX 99 TC 31
FLORA* MOSUNNY 88 75 66 NW6 29.99F HX 97 TC 31
FAIRFIELD* MOSUNNY 90 71 52 N7 29.98F HX 96 TC 32
ROBINSON* PTSUNNY 88 79 74 VRB5 29.96F HX 102 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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