National Weather Service Forecast for December 18, 2009 - Updated 7:00 AM Today: Mostly sunny, with a high near 25. Wind chill values as low as -5. North wind around 5 mph becoming calm. Tonight: Partly cloudy, with a low around 12. Calm wind becoming northeast around 5 mph. Saturday: A chance of snow showers, mainly after 1pm. Increasing clouds, with a high near 26. Northeast wind between 7 and 10 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible. Saturday Night: A chance of snow. Cloudy, with a low around 15. North wind between 10 and 14 mph. Chance of precipitation is 50%. Sunday: A chance of snow, mainly before 1pm. Cloudy, with a high near 28. North wind between 14 and 17 mph. Chance of precipitation is 30%. Sunday Night: Mostly cloudy, with a low around 14.