I'd skip trying to do the math on those things.......the ZFP smooths out the timing.
Detailed forecast for
Western Windham
Today
Partly sunny with scattered snow showers this morning, then mostly cloudy this afternoon. Cold with highs in the mid 20s. West winds 5 to 10 mph. Chance of snow 20 percent.
Tonight
Snow. Snow may be heavy at times. Snow accumulation of 8 to 12 inches. Cold with lows around 18. South winds around 5 mph, becoming east after midnight. Chance of snow near 100 percent.
Sunday
Mostly cloudy. Snow likely, mainly in the morning. Total snow accumulation of 8 to 12 inches possible. Cold with highs in the upper 20s. Northwest winds 5 to 10 mph. Chance of snow 70 percen