730
ASUS43 KLOT 151001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-151100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 73 72 96 S6 30.04S TC 23
STERLING* CLOUDY 72 72 100 E3 30.08S FOG TC 22
SAVANNA* CLOUDY 71 68 92 NE6 30.08S TC 22
ILZ003-004-008-010-011-017-018-151100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 70 66 87 CALM 30.10S TC 21
FREEPORT* CLOUDY 69 68 95 E3 30.11S TC 21
ILZ005-006-012>014-019>023-151100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 73 69 87 CALM 30.08F TC 23
CHICAGO-MIDWAY CLOUDY 74 71 91 CALM 30.08S TC 23
AURORA MOCLDY 71 69 93 NE3 30.07F TC 22
JOLIET* CLOUDY 74 74 99 SE5 30.08F TC 23
WAUKEGAN CLOUDY 73 69 87 SE6 30.08F TC 23
DUPAGE AIRPORT MOCLDY 71 68 90 NE3 30.07F TC 22
WHEELING CLOUDY 72 69 90 CALM 30.10S TC 22
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 72 69 90 CALM N/A TC 22
LMZ740>746-151100-
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 75 74 70/ 14/ 16 1018.0S 3/ 5
WAUKEGAN HARBOR 75 74 80/ 8/ 12 1019.0R 2/ 5
WILMETTE BUOY 74 130/ 4/ 6 1021.5F 2/ 5
CHICAGO BUOY 74 73 1017.7F 2/ 4
HARRISON CRIB 74 140/ 3/ 3 N/A
NORTHERLY ISL 73 CALM / 4 N/A
CALUMET HARBOR 73 CALM / 1 1018.8
MICHIGAN CITY 73 130/ 3/ 5 1017.6F
MICH CITY BUOY 73 73 150/ 4/ 6 N/A 2/ 5
ST. JOSEPH BUOY 74 75 160/ 4/ 6 1020.0R 1/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-151100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY TSTM 75 73 93 W3 30.08R FOG TC 24
MACOMB* RAIN 71 71 100 CALM 30.11R TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-151100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 71 71 100 W12 30.12S FOG TC 22
DECATUR LGT RAIN 74 72 93 E10 30.07R TC 23
PEORIA TSTM 71 71 100 SW13 30.10 FOG TC 22
LINCOLN* TSTM 73 73 100 CALM 30.10R TC 23
SPRINGFIELD CLOUDY 74 73 97 NW13G20 30.12R THUNDER TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-151100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN TSTM 71 71 100 N8 30.11R TC 22
MATTOON CLOUDY 75 72 90 SE7 30.06S TC 24
ILZ079-100>102-151100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* MOCLDY 77 73 87 S5 30.02R TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MARION CLEAR 78 74 89 S8 30.07R HX 80 TC 25
MT. VERNON PTCLDY 76 75 97 CALM 30.06R TC 24
CENTRALIA* PTCLDY 79 74 86 CALM 30.05S HX 82 TC 26
SALEM* N/A 78 77 96 MISG 30.04F HX 81 TC 26
ILZ067-068-072-073-078-083-087-091-151100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 74 73 97 CALM 30.07R TC 23
FAIRFIELD* PTCLDY 76 75 95 CALM 30.06S TC 25
HARRISBURG* CLOUDY 75 75 100 CALM 30.07R TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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