lyon county area forecast 339 pm cst mon feb 13 2012 ...winter weather advisory in effect until 6 am cst tuesday... .tonight...snow or widespread freezing rain in the evening...then rain or freezing rain likely after midnight. snow accumulation around 1 inch. lows in the lower 30s. south winds 5 to 10 mph. chance of precipitation near 100 percent. .tuesday...mostly cloudy. a chance of drizzle and freezing drizzle in the morning. highs in the lower 40s. west winds 5 to 10 mph. .tuesday night...partly cloudy. lows in the lower 30s. southwest winds 5 mph in the evening shifting to the southeast around 5 mph after midnight. .wednesday...partly sunny. a chance of rain showers and isolated thunderstorms in the afternoon. highs in the lower 50s. southeast winds 5 to 10 mph. chance of precipitation 40 percent. .wednesday night...showers. lows in the mid 40s. south winds 10 to 15 mph. chance of precipitation 80 percent. .thursday...partly sunny. a 20 percent chance of showers in the morning. highs in the mid 50s. .thursday night...mostly clear. lows in the lower 30s. .friday...mostly sunny. highs around 50. .friday night...mostly clear. lows in the lower 30s. .saturday through sunday...partly cloudy. highs in the lower 50s. lows in the lower 30s. .sunday night and washingtons birthday...mostly clear. lows in the lower 30s. highs in the lower 50s.