Short walk to the office in -31°C (-23.8°F) 'Feels like' temperature!...What's happening? The steam is rising from the river because the river water is warmer than the freezing air above!

Stay safe out there, folks!

#PolarVortex #ChicagoRiver #chicago #january #winter
#polarvortex
#PolarVortex #ChicagoRiver #chicago #january #winter