mclean county area forecast 339 pm cst mon feb 13 2012 ...winter weather advisory in effect until 8 am cst tuesday... .tonight...snow in the evening...then freezing rain or rain or snow after midnight. snow accumulation around 1 inch. lows in the lower 30s. temperature steady or slowly rising after midnight. south winds 5 to 10 mph. chance of precipitation near 100 percent. .tuesday...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. west winds 5 to 10 mph in the evening shifting to the south after midnight. .wednesday...partly sunny. a 40 percent chance of rain showers in the afternoon. highs around 50. south winds 5 to 10 mph. .wednesday night...showers. lows in the lower 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 in the upper 40s. .friday night...mostly clear. lows around 30. .saturday through sunday...partly cloudy. highs in the upper 40s. lows in the lower 30s. .sunday night and washingtons birthday...mostly clear. lows in the lower 30s. highs around 50.