The National Weather Service has issued a winter storm warning for Southampton and surrounding areas, calling for a "prolonged period of wintry precipitation" beginning tonight and lasting through Wednesday.

Snow is expected to start late this evening and last into Tuesday,  changing to sleet on Tuesday afternoon. The Weather Service said freezing rain will follow on Tuesday night through Wednesday afternoon. 

An accumulation of 1-6 inches of snow is possible, with another half inch of ice.

The weather is expected to make travel difficult in the region. Ice may accumulate on tree limbs and utility wires from Tuesday night into Wednesday, increasing the possibility of widespread power outages in the area.

Here’s the National Weather Service's forecast for Upper Southampton:

Tonight...Cloudy with snow mainly after midnight. Accumulation of 1 to 3 inches. Lows in the lower 20s. East winds around 5 mph. Chance of snow 90 percent.

Tuesday...Sleet and freezing rain. Snow in the morning. Total snow accumulation of 2 to 4 inches. Ice accumulation of up to a tenth of an inch. Highs in the lower 30s. Northeast winds 5 to 10 mph. Chance of precipitation near 100 percent.

Tuesday Night...Freezing rain and sleet. Additional sleet accumulation up to 1 inch. Ice accumulation of up to one quarter of an inch. Lows in the upper 20s. Northeast winds 10 to 15 mph. Chance of precipitation 90 percent.

Wednesday...Freezing rain and rain. Sleet likely in the afternoon. Little or no sleet accumulation. Highs in the upper 30s.  Chance of precipitation 90 percent.

Wednesday Night...Mostly cloudy. Snow likely, mainly in the evening. Little or no snow accumulation. Lows in the lower 20s. Northwest winds 10 to 15 mph. Chance of snow 60 percent.

Thursday...Partly sunny. Highs around 30.