nelson county ky area forecast 939 am est tue feb 14 2012 .this afternoon...cloudy with chance of rain and patchy drizzle. highs in the lower 40s. southwest winds 5 to 10 mph. chance of rain 50 percent. .tonight...mostly cloudy. lows in the lower 30s. southwest winds up to 5 mph. .wednesday...partly cloudy with a 20 percent chance of rain. highs in the lower 50s. southeast winds 5 to 10 mph. .wednesday night...showers and isolated thunderstorms. lows in the mid 40s. south winds 5 to 10 mph. chance of precipitation 80 percent. .thursday...mostly cloudy with a 50 percent chance of rain. highs in the lower 50s. west winds 10 to 15 mph. .thursday night and friday...partly cloudy. lows in the lower 30s. highs in the upper 40s. .friday night...mostly clear. lows in the lower 30s. .saturday through washingtons birthday...partly cloudy. highs in the upper 40s. lows around 30.