Sometimes the best cure for ice is more snow.

Compacted snow + snowmelt = Ice

The snow should stick around for a while because it will be cold for a long time. One problem that we have is the very gradual and slow snowmelt that occurs when the sun is out and then later on, that water refreezes overnight and turns into black ice. If temperatures are going to stay cold then more snow is better because it creates traction on top of the ice and it keeps people from falling and crashing like saw a Kroger this evening. Look at this sheet of ice in the parking lot: