Iowa Speedway -
NASCAR RaceWeather Forecast
NASCAR Forecast Discussion -
Iowa Speedway
A warm and increasingly humid weekend is expected at Iowa Speedway as temperatures climb into the upper 80s to near 90°F. With the corn crop approaching peak maturity, don't be surprised if a little "corn sweat" boosts humidity levels, making conditions feel several degrees warmer than the thermometer indicates.
Saturday should remain mostly dry, although an isolated late-day thunderstorm cannot be ruled out. Storm chances increase Sunday afternoon and evening as a cold front approaches from the north. While much of the day should remain favorable for on-track activity, teams should monitor radar for scattered thunderstorms capable of gusty winds and brief heavy rainfall later in the day.
NASCAR Weekend Schedule -
Iowa Speedway
Saturday, August 8 – NASCAR O'Reilly Auto Parts Series
10:30 a.m. – Practice
11:35 a.m. – Qualifying
4:00 p.m. – Race (250 laps / 218.75 miles)
Sunday, August 9 – NASCAR Cup Series
2:30 p.m. – Race (350 laps / 306.25 miles)
More about Iowa Speedway
Iowa Speedway is a 0.875-mile short track located in Newton, Iowa, and is widely regarded as one of the premier short ovals in American motorsports. Designed with input from Rusty Wallace, the track features progressive banking of 12 to 14 degrees in the corners, allowing multiple racing lines despite its relatively compact size.
The layout blends short-track intensity with elements of intermediate racing, producing high speeds for its length while still emphasizing close-quarters competition. Drivers must balance aggression with tire management, as the racing surface can become slick over long runs, particularly in the upper grooves.
Iowa is known for its consistent side-by-side racing and strong fan engagement, often delivering action-packed events across series such as NASCAR and INDYCAR. Its combination of accessibility, competitive racing, and technical nuance has made it a favorite among drivers and a standout venue on the racing calendar.
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