Rain chances and perhaps a few thunderstorms will be on the increase Sunday and Sunday night across the region, as an upper level disturbance approaches from the southwest. Strong to severe storms or heavy rain is not expected.

Today: Sunny, with a high near 56. West northwest wind 5 to 7 mph becoming south in the afternoon.

Tonight: Clear, with a low around 33. South wind 7 to 9 mph.

Saturday: Sunny, with a high near 63. South wind 9 to 17 mph, with gusts as high as 26 mph.

Saturday Night: Increasing clouds, with a low around 44. South wind 11 to 14 mph, with gusts as high as 20 mph.

Sunday: A 50 percent chance of showers and thunderstorms, mainly after noon. Cloudy, with a high near 62. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 39 mph.

Sunday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43. Breezy.

Monday: Mostly sunny, with a high near 58.

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

Tuesday: Mostly sunny, with a high near 50.

Tuesday Night: Partly cloudy, with a low around 27.

Wednesday: Sunny, with a high near 48.

Wednesday Night: Mostly clear, with a low around 27.

Thursday: Mostly sunny, with a high near 49.