Argonne National Laboratory Weather Observatory

Jun 12, 2026 11:00 PM CDT
69.6° F
20.9° C
Lat 41 42' 04" N
Long 87 59' 42" W
Elevation 230 m asl
Humidity
67.0%
Wind Chill
69.6° F
20.8° C
Pressure
29.4 in
99.4 kPa
Wind
SW 4.1 mph
183.0 cm/s
Precipitation
None
WBGT
63.9° F
17.7° C