228
ASUS43 KLOT 152012
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-152100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 86 76 71 SW8 29.99S HX 96 TC 30
STERLING* CLOUDY 80 77 90 CALM 30.03S HX 87 TC 27
SAVANNA* CLOUDY 78 73 84 CALM 30.02S HX 81 TC 26
ILZ003-004-008-010-011-017-018-152100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 77 75 93 NE3 30.04S TC 25
FREEPORT* CLOUDY 77 76 95 CALM 30.05S TC 25
ROCHELLE* CLOUDY 78 74 88 CALM 30.04S HX 81 TC 26
DE KALB* CLOUDY 76 76 100 CALM 30.06S TC 24
PERU* CLOUDY N/A N/A N/A S5 30.03F
ILZ005-006-012>014-019>023-152100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 79 73 82 SW7 30.03F HX 82 TC 26
CHICAGO-MIDWAY PTSUNNY 81 73 76 SW12 30.03S HX 86 TC 27
AURORA PTSUNNY 78 75 90 S6 30.04S HX 81 TC 26
WAUKEGAN CLOUDY 74 73 97 E6 30.03F FOG TC 23
DUPAGE AIRPORT CLOUDY 76 74 93 S5 30.04S TC 24
KANKAKEE* CLOUDY 80 75 86 S6 30.07S HX 84 TC 27
WHEELING CLOUDY 77 73 87 CALM 30.05S TC 25
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 80 71 74 SW1 N/A HX 84 TC 27
LMZ740>746-152100-
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/ 12 1019.1 2/ 4
WAUKEGAN HARBOR 74 74 100/ 8/ 10 1017.4 2/ 4
WILMETTE BUOY 73 100/ 4/ 6 1020.2F 2/ 3
CHICAGO BUOY 76 73 1015.7 1/ 5
HARRISON CRIB 77 150/ 8/ 9 N/A
NORTHERLY ISL 78 190/ 4/ 8 N/A
CALUMET HARBOR 79 200/ 5/ 7 1017.2
MICHIGAN CITY 79 190/ 9/ 10 1015.7F
MICH CITY BUOY 77 74 180/ 4/ 6 N/A 1
ST. JOSEPH BUOY 74 74 200/ 4/ 6 1018.4F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-152100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 89 76 65 S15 30.01F HX 100 TC 32
GALESBURG* PTSUNNY 81 77 86 S8 30.04R HX 88 TC 27
JACKSONVILLE* MOSUNNY 86 78 76 S8G16 30.02F HX 98 TC 30
ILZ028>032-037-038-041>044-048-051>054-059>061-152100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 82 77 85 S7 30.04F HX 90 TC 28
BLOOMINGTON LGT RAIN 80 78 94 S9 30.07F HX 88 TC 27
DECATUR PTSUNNY 82 75 79 S8 30.07R HX 89 TC 28
PEORIA MOSUNNY 81 76 84 S8 30.03F HX 87 TC 27
LACON* PTSUNNY 83 74 73 S5 30.02F HX 89 TC 28
SPRINGFIELD PTSUNNY 84 76 76 S8 30.03F HX 93 TC 29
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-152100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 81 75 82 SW6 30.08R HX 87 TC 27
RANTOUL* PTSUNNY 79 75 87 S3 30.08R HX 83 TC 26
MATTOON PTSUNNY 82 75 79 S6 30.06F HX 89 TC 28
PARIS* PTSUNNY 83 74 73 S9G16 30.06F HX 89 TC 28
ILZ079-100>102-152100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 88 75 66 S12 30.07F HX 97 TC 31
BELLEVILLE CLOUDY 88 80 77 S10 30.05F HX 105 TC 31
CAHOKIA* CLOUDY 89 77 67 S7 30.05F HX 101 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 93 75 55 S8 30.08F HX 104 TC 34
CAIRO* SUNNY 95 74 51 CALM 30.09F HX 105 TC 35
EFFINGHAM* PTSUNNY 85 78 82 SE8 30.09F HX 96 TC 29
MT. VERNON MOSUNNY 95 76 53 SE6 30.08F HX 108 TC 35
SALEM* N/A 86 77 73 MISG 30.09S HX 97 TC 30
METROPOLIS* SUNNY 95 72 47 W5 30.09F HX 103 TC 35
ILZ067-068-072-073-078-083-087-091-152100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 89 76 65 N3 30.07F HX 100 TC 32
FLORA* PTSUNNY 86 77 74 CALM 30.08F HX 97 TC 30
FAIRFIELD* MOSUNNY 93 75 55 SE6 30.07F HX 103 TC 34
ROBINSON* CLOUDY 84 77 79 S7 30.07F HX 94 TC 29
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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