570
ASUS43 KLOT 152103
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM CDT SAT AUG 15 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.
ILZ001-002-007-009-015-016-024-152200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 86 77 74 SW9 29.99S HX 97 TC 30
STERLING* CLOUDY 81 77 88 CALM 30.02F HX 88 TC 27
SAVANNA* CLOUDY 77 75 91 CALM 30.02S FOG TC 25
ILZ003-004-008-010-011-017-018-152200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 76 75 97 S3 30.03F FOG TC 24
FREEPORT* CLOUDY 77 75 95 CALM 30.04S TC 25
ROCHELLE* LGT RAIN 78 76 94 CALM 30.04S TC 25
DE KALB* CLOUDY 77 77 99 SE3 30.04F TC 25
ILZ005-006-012>014-019>023-152200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 77 74 90 SW3 30.02F FOG TC 25
CHICAGO-MIDWAY LGT RAIN 79 73 82 SW10 30.03S HX 82 TC 26
AURORA CLOUDY 79 75 87 SE5 30.03S HX 83 TC 26
JOLIET* CLOUDY 79 78 98 SE5 30.03F HX 82 TC 26
WAUKEGAN CLOUDY 74 73 97 SE8 30.02F TC 23
DUPAGE AIRPORT CLOUDY 77 74 90 CALM 30.03F TC 25
KANKAKEE* CLOUDY 79 75 88 S3 30.05F HX 83 TC 26
WHEELING CLOUDY 77 73 87 CALM 30.04F TC 25
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 78 71 79 W3 N/A HX 80 TC 26
LMZ740>746-152200-
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 74 74 90/ 8/ 10 1019.5R 2/ 4
WAUKEGAN HARBOR 74 74 120/ 6/ 8 1017.3F 2/ 4
WILMETTE BUOY 74 130/ 6/ 8 1019.9F 1/ 3
CHICAGO BUOY 76 73 1015.7F 1/ 3
HARRISON CRIB 77 130/ 8/ 8 N/A
NORTHERLY ISL 79 CALM / 7 N/A
CALUMET HARBOR 210/ 6/ 10 1016.9
MICHIGAN CITY 80 190/ 7/ 9 1015.2F
MICH CITY BUOY 79 74 190/ 2/ 2 N/A 1
ST. JOSEPH BUOY 75 74 50/ 2/ 2 1018.0F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-152200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 87 76 69 S13 30.01S HX 97 TC 31
GALESBURG* MOSUNNY 82 78 89 S5 30.02F HX 91 TC 28
MACOMB* MOSUNNY 84 82 91 SE5 30.03S HX 100 TC 29
JACKSONVILLE* PTSUNNY 87 77 72 S12G17 30.01F HX 98 TC 30
ILZ028>032-037-038-041>044-048-051>054-059>061-152200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 82 77 84 SW8 30.04S HX 91 TC 28
BLOOMINGTON MOSUNNY 81 78 91 S9 30.06F HX 89 TC 27
DECATUR PTSUNNY 83 76 79 S8 30.05F HX 91 TC 28
PEORIA MOSUNNY 82 76 81 SW8 30.02F HX 89 TC 28
LACON* MOSUNNY 84 73 70 SW8 30.01F HX 90 TC 29
LINCOLN* PTSUNNY 84 79 83 S8 30.03F HX 96 TC 29
SPRINGFIELD PTSUNNY 86 77 74 S7G18 30.02F HX 97 TC 30
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-152200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 83 77 82 S7 30.06F HX 92 TC 28
MATTOON PTSUNNY 83 77 82 S6 30.06S HX 92 TC 28
PARIS* PTSUNNY 83 75 75 S6 30.07R HX 91 TC 29
ILZ079-100>102-152200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 88 77 70 S14 30.04F HX 100 TC 31
CAHOKIA* PTSUNNY 89 76 65 S9 30.03F HX 100 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 93 75 55 S10G20 30.06F HX 104 TC 34
CAIRO* SUNNY 96 75 51 CALM 30.07F HX 108 TC 36
MT. VERNON MOSUNNY 96 76 52 SW13 30.06F HX 109 TC 36
CENTRALIA* PTSUNNY 94 76 56 S7 30.06F HX 106 TC 34
SALEM* N/A 90 79 70 MISG 30.06F HX 105 TC 32
METROPOLIS* SUNNY 96 72 45 SW6 30.08F HX 104 TC 36
ILZ067-068-072-073-078-083-087-091-152200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 92 75 57 SW6 30.05F HX 103 TC 33
FLORA* PTSUNNY 91 79 66 S10 30.06F HX 107 TC 33
FAIRFIELD* MOSUNNY 93 74 53 S5 30.06F HX 102 TC 34
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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