 Precip amounts less than a tenth of an inch, except higher amounts possible in thunderstorms. For Wednesday, as they kick off, the Polk County Fair. Slight chance of showers between 1 p.m. and 2 p.m. Sunny with a high near 84. Calm winds becoming north around 5 miles per hour. Chance of precipitation for Wednesday, 20%. Wednesday night, mostly clear, low around 62. Sunny and high near 87 for Thursday. Thursday night, clear, low around 67. Friday, sunny and hot.