499
ASUS43 KLOT 160301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-160400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE TSTM 73 72 96 W15G24 30.04 FOG TC 23
STERLING* MOCLDY 78 78 100 CALM 30.01R HX 81 TC 26
SAVANNA* LGT RAIN 77 75 92 CALM 30.00R TC 25
ILZ003-004-008-010-011-017-018-160400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 76 75 97 CALM 30.02R TC 24
FREEPORT* CLOUDY 75 74 95 CALM 30.03R TC 24
ILZ005-006-012>014-019>023-160400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 78 74 87 S5 30.00F HX 81 TC 26
CHICAGO-MIDWAY MOCLDY 79 75 87 S5 30.01S HX 83 TC 26
AURORA MOCLDY 77 76 96 CALM 30.01S TC 25
JOLIET* MOCLDY 78 78 99 CALM 30.02R HX 81 TC 26
WAUKEGAN CLOUDY 74 73 97 SE5 30.00F TC 23
DUPAGE AIRPORT CLOUDY 77 76 96 CALM 30.01S TC 25
WHEELING CLOUDY 76 75 97 SE3 30.02S TC 24
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 74 72 93 NE1 N/A TC 23
LMZ740>746-160400-
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/ 8/ 12 1016.3F 1/ 3
WAUKEGAN HARBOR 74 74 150/ 6/ 8 1016.5F 1/ 4
WILMETTE BUOY 74 180/ 6/ 8 1019.2F 1
CHICAGO BUOY 76 73 1015.1F 1
HARRISON CRIB 77 170/ 7/ 7 N/A
NORTHERLY ISL 74 CALM / 2 N/A
CALUMET HARBOR 78 150/ 5/ 6 1016.6
MICHIGAN CITY 77 170/ 7/ 9 1015.0F
MICH CITY BUOY 75 74 170/ 6/ 8 N/A 1
ST. JOSEPH BUOY 75 74 170/ 4/ 6 1017.8F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-160400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 80 77 90 S5 30.02R HX 87 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-160400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 77 77 100 S9 30.05R TC 25
DECATUR CLEAR 76 74 93 CALM 30.05R TC 24
PEORIA PTCLDY 79 77 94 CALM 30.01R HX 83 TC 26
LINCOLN* PTCLDY 80 80 100 S6 30.02R HX 86 TC 27
SPRINGFIELD PTCLDY 80 77 90 S6 30.03R HX 87 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-160400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 75 75 100 SE5 30.05S TC 24
MATTOON CLEAR 77 76 96 S3 30.05R TC 25
ILZ079-100>102-160400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 82 77 83 VRB5 30.03R HX 91 TC 28
CAHOKIA* PTCLDY 84 75 74 CALM 30.01R HX 92 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-160400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MT. VERNON CLEAR 80 76 87 S3 30.05R HX 86 TC 27
CENTRALIA* CLEAR 82 74 77 CALM 30.04S HX 88 TC 28
ILZ067-068-072-073-078-083-087-091-160400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A 82 78 88 SE3 30.05R HX 91 TC 28
FAIRFIELD* CLEAR 80 75 82 CALM 30.05S HX 86 TC 27
HARRISBURG* CLEAR 79 76 91 CALM 30.07S HX 83 TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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