Look for sunshine to dominate the forecast today, then chances for showers and thunderstorms to arrive on Thursday with potential for some much needed rain, then a cool down at the end of the week and into the weekend as the last burst of summer weather comes to Polk County according to the National Weather Service. 

Today's forecast calls for mostly sunny skies, with a high near 87. West wind 5 to 10 mph.

Tonight: Partly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.

Thursday: A 20 percent chance of showers and thunderstorms after noon. Areas of fog before 9 a.m. Otherwise, partly sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. West wind 5 to 10 mph, with gusts as high as 15 mph.

Friday: Mostly sunny, with a high near 69. North wind 10 to 15 mph, with gusts as high as 25 mph.

Friday Night: Mostly clear, with a low around 42.

Saturday: Sunny, with a high near 68.

Saturday Night: Clear, with a low around 42.

Sunday: Sunny, with a high near 76.

Sunday Night: Clear, with a low around 47.

Monday: Sunny, with a high near 79.

Monday Night: Clear, with a low around 48.

Tuesday: Sunny, with a high near 78.