Rain began falling early Thursday morning but has changed over to snow. It changed to snow in northern Connecticut around 5 a.m.
Temperatures were in the upper 30s for most of the state overnight. Those temperatures began to fall before sunrise.
The dropping temperatures caused a slow change to ice and snow in parts of the state.
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Gustavo Castro, of Norwich, said it was raining when he left his house. Then it started snowing 15 minutes into his drive and roads started getting slippery, especially the back roads.
The system could bring anywhere to an inch to three inches of snow. Though it's not a lot of snow, the timing was not ideal for the morning commute.
Dozens of schools delayed opening or closed Thursday ahead of the snow.
It turns much colder Thursday afternoon and evening. A wind chill advisory has been issued for northern Litchfield County.