149
ASUS43 KLOT 150901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-151000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 73 72 96 SE9 30.04R TC 23
STERLING* CLOUDY 72 72 100 E3 30.08R FOG TC 22
SAVANNA* CLOUDY 71 69 92 NE6 30.07S TC 22
ILZ003-004-008-010-011-017-018-151000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 70 65 84 CALM 30.10R TC 21
FREEPORT* CLOUDY 69 67 94 E3 30.11S TC 21
ILZ005-006-012>014-019>023-151000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 73 69 87 CALM 30.09R TC 23
CHICAGO-MIDWAY CLOUDY 73 70 90 CALM 30.08S TC 23
AURORA CLOUDY 71 69 93 SE6 30.08F TC 22
JOLIET* CLOUDY 73 73 99 CALM 30.09F FOG TC 23
WAUKEGAN CLOUDY 73 68 84 E7 30.09R TC 23
DUPAGE AIRPORT CLOUDY 71 68 90 E5 30.08F TC 22
WHEELING CLOUDY 73 69 87 S3 30.10S TC 23
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 73 69 87 S2 N/A TC 23
LMZ740>746-151000-
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 50/ 14/ 17 1017.9F 3/ 5
WAUKEGAN HARBOR 75 74 50/ 12/ 16 1018.9 2/ 4
WILMETTE BUOY 74 110/ 10/ 14 1021.6F 3/ 5
CHICAGO BUOY 74 73 1017.8F 2/ 5
HARRISON CRIB 74 190/ 7/ 8 N/A
NORTHERLY ISL 72 170/ 2/ 5 N/A
CALUMET HARBOR 73 170/ 2/ 3 1019.0
MICHIGAN CITY 74 200/ 4/ 5 1017.7R
MICH CITY BUOY 73 73 180/ 6/ 10 N/A 2/ 4
ST. JOSEPH BUOY 74 75 110/ 6/ 8 1019.5F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-151000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY TSTM 73 72 96 NE5 30.04S FOG TC 23
MACOMB* LGT RAIN 72 72 100 SE7 30.10R TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-151000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 71 N/A N/A S7 30.12R THUNDER TC 22
DECATUR CLOUDY 74 72 93 E7 30.06F TC 23
PEORIA LGT RAIN 71 71 100 S6 30.06S FOG TC 22
LINCOLN* CLOUDY 74 74 100 N13 30.07R TC 24
SPRINGFIELD CLOUDY 75 73 93 N8 30.05S TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-151000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN TSTM 73 71 93 NE14G23 30.10S TC 23
MATTOON MOCLDY 75 72 90 SE7 30.06S TC 24
ILZ079-100>102-151000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLEAR 76 74 93 SE5 30.00S TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MARION CLEAR 77 77 98 SW6 30.06S TC 25
MT. VERNON CLEAR 78 76 93 CALM 30.05F HX 81 TC 26
CENTRALIA* CLEAR 80 74 83 SE5 30.04S HX 84 TC 27
SALEM* N/A 78 78 98 MISG 30.05R HX 81 TC 26
ILZ067-068-072-073-078-083-087-091-151000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 76 73 91 E3 30.06S TC 24
FAIRFIELD* CLEAR 76 75 95 S5 30.04F TC 25
HARRISBURG* CLEAR 74 74 99 CALM 30.07S TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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