gallatin county area forecast 634 am cst tue feb 14 2012 .today...cloudy. a slight chance of drizzle in the morning. highs in the lower 40s. west winds 5 to 10 mph. .tonight...partly cloudy. lows in the lower 30s. south winds around 5 mph. .wednesday...mostly cloudy. rain showers likely in the afternoon. highs in the lower 50s. southeast winds 10 to 15 mph. chance of precipitation 60 percent. .wednesday night...showers and isolated thunderstorms. lows in the mid 40s. south winds 10 to 15 mph in the evening shifting to the west after midnight. chance of precipitation 80 percent. .thursday...partly sunny. highs around 50. northwest winds 10 to 15 mph. .thursday night...mostly clear. lows around 30. .friday...mostly sunny. highs in the upper 40s. .friday night...mostly clear. lows in the lower 30s. .saturday through sunday...partly cloudy. highs in the upper 40s. lows in the lower 30s. .sunday night and washingtons birthday...mostly clear. lows around 30. highs in the lower 50s.