305
ASUS43 KLOT 151510
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM 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.
ILZ001-002-007-009-015-016-024-151600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 77 74 90 SW8 30.04R TC 25
STERLING* CLOUDY 74 74 100 CALM 30.05R TC 23
SAVANNA* CLOUDY 73 72 94 SE6 30.04R TC 23
ILZ003-004-008-010-011-017-018-151600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 74 71 91 E6 30.05F TC 23
FREEPORT* CLOUDY 73 71 95 SE3 30.07R TC 23
ROCHELLE* CLOUDY 73 71 94 SE5 30.06S FOG TC 23
DE KALB* CLOUDY 73 73 100 SE7 30.06F TC 23
PERU* CLOUDY 75 73 94 S9 30.06R TC 24
ILZ005-006-012>014-019>023-151600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 73 72 96 SE8 30.06F FOG TC 23
CHICAGO-MIDWAY LGT RAIN 73 72 96 SE8 30.07F TC 23
AURORA LGT RAIN 73 72 96 SE6 30.05F FOG TC 23
JOLIET* CLOUDY 75 75 100 E5 30.06F TC 24
WAUKEGAN CLOUDY 75 72 90 SE7 30.07F TC 24
DUPAGE AIRPORT RAIN 73 72 96 E5 30.05F FOG TC 23
KANKAKEE* LGT RAIN 73 71 94 SE7 30.08F TC 23
WHEELING CLOUDY 76 71 85 SE7 30.08F TC 24
ROMEOVILLE* LGT RAIN 73 73 100 E7 30.07F TC 23
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 72 70 93 SE6 N/A TC 22
LMZ740>746-151600-
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 74 100/ 10/ 12 1020.0 2/ 5
WAUKEGAN HARBOR 74 74 90/ 10/ 12 1018.6 2/ 4
WILMETTE BUOY 74 130/ 12/ 16 1021.4F 2/ 5
CHICAGO BUOY 73 73 1017.5 2/ 4
HARRISON CRIB 73 160/ 11/ 13 N/A
NORTHERLY ISL 73 180/ 5/ 8 N/A
CALUMET HARBOR 72 140/ 5/ 7 1019.0
MICHIGAN CITY 73 170/ 6/ 7 1018.2S
MICH CITY BUOY 72 73 150/ 8/ 12 N/A 1/ 5
ST. JOSEPH BUOY 74 74 150/ 10/ 12 1020.6R 1/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-151600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 78 74 87 S9 30.05R HX 81 TC 26
GALESBURG* CLOUDY 73 73 100 S8 30.06S TC 23
MACOMB* LGT RAIN 74 74 100 S5 30.08R TC 24
JACKSONVILLE* PTSUNNY 73 73 100 S6 30.08R TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-151600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 74 74 100 S6 30.06S TC 23
BLOOMINGTON CLOUDY 74 74 100 S6 30.08F TC 23
DECATUR LGT RAIN 73 71 93 S7 30.08F TC 23
PEORIA LGT RAIN 75 74 96 SW6 30.06S TC 24
LACON* CLOUDY 73 71 93 SW3 30.05R TC 23
LINCOLN* CLOUDY 76 76 100 S3 30.07S TC 24
SPRINGFIELD PTSUNNY 75 73 93 S7 30.07F TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-151600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 72 72 100 SE10 30.09F TC 22
MATTOON PTSUNNY 74 72 93 SE5 30.11F TC 23
PARIS* PTSUNNY 73 72 97 NE5 30.13F TC 23
ILZ079-100>102-151600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 79 72 78 SE7 30.12F HX 82 TC 26
BELLEVILLE PTSUNNY 82 77 84 NE6 30.12S HX 89 TC 28
CAHOKIA* PTSUNNY 81 72 74 E7 30.12F HX 85 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 84 72 65 N14G21 30.13R HX 89 TC 29
CAIRO* SUNNY 86 77 73 SW3 30.13S HX 97 TC 30
EFFINGHAM* CLOUDY 76 75 96 NE3 30.14F TC 25
MT. VERNON PTSUNNY 81 73 76 NE9 30.14R HX 86 TC 27
CENTRALIA* PTSUNNY 83 72 69 NE9 30.14S HX 88 TC 28
SALEM* N/A 81 74 77 MISG 30.14S HX 87 TC 27
METROPOLIS* MOSUNNY 88 73 60 SW6 30.13S HX 94 TC 31
ILZ067-068-072-073-078-083-087-091-151600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 80 74 81 N13 30.14R HX 85 TC 27
FLORA* PTSUNNY 81 75 83 NE17 30.14S HX 86 TC 27
FAIRFIELD* CLOUDY 80 74 82 N10G16 30.14R HX 84 TC 27
HARRISBURG* PTSUNNY 87 74 64 NW12G20 30.13R HX 95 TC 31
ROBINSON* PTSUNNY 81 75 83 N10 30.14R HX 86 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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