A storm system will affect the region tonight through Saturday, bringing a wintry mix early tonight before changing to rain through Saturday.

Today: Mostly sunny, with a high near 43. Calm wind becoming southwest around 6 mph in the morning.

Tonight: Rain, mainly after midnight. The rain could be heavy at times. Areas of fog after midnight. Low around 35. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 90 percent. New precipitation amounts between a quarter and half of an inch possible.

Saturday: Rain, mainly before 3 p.m. The rain could be heavy at times. Areas of fog before 1 p.m. High near 42. Northeast wind 5 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 90 percent. New precipitation amounts between a quarter and half of an inch possible.

Saturday Night: A chance of flurries after 1 a.m. Partly cloudy, with a low around 34. Northwest wind 9 to 11 mph, with gusts as high as 23 mph.

Sunday: Mostly sunny, with a high near 42. Northwest wind around 14 mph, with gusts as high as 24 mph.

Sunday Night: Partly cloudy, with a low around 24.

Monday: Mostly cloudy, with a high near 36.

Monday Night: Snow and sleet likely, mainly after 1 a.m. Cloudy, with a low around 30. Chance of precipitation is 60 percent.

Tuesday: A chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 50%.

Tuesday Night: Mostly cloudy, with a low around 32.

Wednesday: Partly sunny, with a high near 38.

Wednesday Night: Partly cloudy, with a low around 25.

Thursday: Mostly sunny, with a high near 36.