Prepare for a chilly start to the week! A prolonged period of frost and potentially sub-freezing temperatures is forecast for tonight through Wednesday night. The coldest night with widespread frost and potentially sub-freezing temperatures is Monday night into Tuesday morning. Daytime highs will rise into the upper 50s and 60s. Take necessary precautions for sensitive plants and outdoor plumbing. Find the detailed forecast for your specific location at weather.gov/forecastpoints.