A heat advisory will be in effect from 1 to 8 p.m. Friday and Saturday, the National Weather Service reported.
The high Friday is expected to be 102 Friday, followed by a Saturday that could see the mercury rise up to 108 degrees.
Saturday will also bring increased winds, up to 21 mph in the Hays area.
There remains a slight chance of showers to thunderstorms after midnight Saturday.
Precipitation is expected into next week, with a 20 to 50 percent chance of showers or thunderstorms from Sunday to Thursday.