174
ASUS43 KLOT 160203
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-160300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 79 77 94 S6 29.98R HX 83 TC 26
STERLING* CLOUDY 78 78 100 E5 29.99F HX 81 TC 26
SAVANNA* CLOUDY 77 75 92 CALM 29.98F TC 25
ILZ003-004-008-010-011-017-018-160300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 76 75 97 CALM 30.01S TC 24
FREEPORT* CLOUDY 76 74 95 CALM 30.02S TC 24
ILZ005-006-012>014-019>023-160300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 78 75 90 S5 30.01S HX 81 TC 26
CHICAGO-MIDWAY CLOUDY 79 74 84 S7 30.01S HX 82 TC 26
AURORA CLOUDY 77 76 96 SE5 30.01S TC 25
JOLIET* MOCLDY 79 78 97 CALM 30.01F HX 83 TC 26
WAUKEGAN CLOUDY 74 73 97 SE6 30.01S TC 23
DUPAGE AIRPORT CLOUDY 77 75 93 SE5 30.01F TC 25
WHEELING CLOUDY 76 75 97 E3 30.02F TC 24
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 74 72 93 CALM N/A TC 23
LMZ740>746-160300-
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/ 10 1016.5F 1/ 3
WAUKEGAN HARBOR 74 74 120/ 6/ 8 1016.9S 1/ 3
WILMETTE BUOY 74 160/ 2/ 4 1019.5S 1
CHICAGO BUOY 75 73 1015.4R 1
HARRISON CRIB 76 110/ 6/ 6 N/A
NORTHERLY ISL 74 CALM / 2 N/A
CALUMET HARBOR 78 160/ 6/ 7 1016.7S
MICHIGAN CITY 77 180/ 6/ 7 1015.5R
MICH CITY BUOY 75 74 180/ 6/ 6 N/A 1
ST. JOSEPH BUOY 74 74 90/ 2/ 2 1017.9R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-160300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 80 77 90 S6 30.00S HX 87 TC 27
MACOMB* MOCLDY 80 80 100 SW5 30.01R HX 87 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-160300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 77 77 100 SE8 30.04F TC 25
DECATUR PTCLDY 78 75 90 S3 30.04S HX 81 TC 26
PEORIA PTCLDY 79 77 94 SE3 29.99F HX 83 TC 26
LACON* PTCLDY 78 75 90 SE5 29.98F HX 81 TC 26
LINCOLN* PTCLDY 80 80 100 S3 30.01S HX 90 TC 27
SPRINGFIELD PTCLDY 80 77 90 S5 30.01S HX 87 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-160300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 75 75 100 SE5 30.05S TC 24
MATTOON PTCLDY 78 77 96 CALM 30.04S HX 81 TC 26
ILZ079-100>102-160300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 84 77 79 VRB3 30.01S HX 94 TC 29
CAHOKIA* CLEAR 83 76 79 S3 30.00S HX 91 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-160300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 81 75 83 S5 30.05R HX 86 TC 27
CAIRO* CLEAR 83 77 83 CALM 30.07R HX 91 TC 28
MARION CLEAR 83 76 79 CALM 30.07R HX 91 TC 28
MT. VERNON CLEAR 82 76 81 SW3 30.04S HX 89 TC 28
CENTRALIA* CLEAR 83 74 76 CALM 30.03S HX 89 TC 28
SALEM* N/A 81 77 87 MISG 30.04R HX 88 TC 27
ILZ067-068-072-073-078-083-087-091-160300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A 83 78 85 E5 30.04R HX 93 TC 28
FAIRFIELD* PTCLDY 82 76 80 S3 30.04R HX 90 TC 28
HARRISBURG* CLEAR 82 77 82 SW3 30.07R HX 90 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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