Forecasters still don't know if Saturday's storm will bury the city with snow or soak it with rain.
Expect light snowfall Wednesday night, with much more threatened for the weekend.
Pete Connolly started the group after seeing good Samaritans pitch after heavy snowfall upstate.
Temperatures are expected to dip to 10 degrees, bringing snow and ice on Tuesday, officials said.
From the Harlem building explosion to Eric Garner protests, DNAinfo has captured some stunning images.
Snowfall accumulation will be less than half an inch, according to the National Weather Service.
Wet weather caused more than 200 flight cancellations at area airports Wednesday morning.
Heavy rain is expected to give way to snow Wednesday night, dumping 1 to 3 inches on the city.
The city could get up to an inch of snow by early Friday morning, according to weather experts.
Horticulturalists at the garden said the snow did not kill the blooms.
Fist-sized chunks of ice fell off 30 Rock and hit people standing on the sidewalk Wednesday.
A freeze warning was in place Wednesday morning.
Flurries are expected to start falling around 7 p.m. Tuesday, the National Weather Service said.
The city could get hit by up to two inches of snow Tuesday, experts said.
Doherty faced record snow and criticism over the city's response.
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