We're coming into the last days of the 2025 Iowa State Fair, and Friday features classic fair staples during the day and the return of a multiple-time Grandstand headliner at night.

Here's what you need to know about the weather and daily events at the fair on Friday, Aug. 15.

What's the forecast for Friday at the Iowa State Fair?

Pleasant skies and low August temperatures have created ideal conditions for attending the fair over the past few days, but Friday will be significantly hotter, with a high of 92 degrees and a heat index value exceeding 100 degrees, according to the National Weather Service.

Temperatures will dip into the night, with a low of 74 degrees and partly cloudy conditions.

5 must-see events for Friday, Aug. 15 at the 2025 Iowa State Fair

Iowa utilities lineman

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