The weather this week will be chilly starting with highs in the mid-40s today. Showers will return tonight with the possibility of heavy rainfall and thunderstorms Tuesday as a warm front crosses the area. Lows will be near 40 degrees with highs near 50. A cold front will drop lows to 30 and highs to the mid-40s Wednesday under mostly sunny skies. Lows Thursday will be near 27 degrees with highs near 38. Moisture will return Thursday with some light rain in the afternoon.