jefferson county area forecast 330 pm cst tue nov 24 2009 .tonight...partly cloudy in the evening then becoming mostly cloudy. lows in the lower 40s. southwest winds 10 to 15 mph. .wednesday...mostly cloudy. highs in the lower 50s. west winds 10 to 15 mph. .wednesday night...mostly cloudy. lows in the mid 30s. west winds 10 to 15 mph. .thanksgiving day...mostly cloudy with a 30 percent chance of rain. highs in the lower 40s. west winds 10 to 15 mph. .thursday night...mostly cloudy in the evening then becoming partly cloudy. lows in the upper 20s. west winds 5 to 10 mph. .friday...partly sunny. highs around 50. .friday night...mostly clear. lows around 30. .saturday...mostly sunny. highs in the lower 50s. .saturday night...partly cloudy with a 20 percent chance of rain. lows around 40. .sunday...mostly cloudy with a 30 percent chance of rain. highs in the lower 50s. .sunday night and monday...mostly cloudy with a 40 percent chance of rain. lows in the lower 40s. highs in the mid 40s. .monday night...mostly cloudy with a 30 percent chance of rain. lows around 40. .tuesday...mostly cloudy with a 20 percent chance of rain. highs in the mid 40s.