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NASCAR Iowa Speedway weekend forecast predicts mixed weather

Yahoo Sports • 1 min read • Latest: Aug 7, 2026, 3:48 AM

Last updated Aug 7, 2026

NASCAR Iowa Speedway weekend forecast predicts mixed weather

Summary

NASCAR returns to Iowa Speedway from August 7-9 for a three-day event featuring the ARCA Menards Series, NASCAR O’Reilly Auto Parts Series, and the Cup Series. Forecasts indicate favorable conditions for Friday and Saturday, with the best weather expected on Saturday. However, Sunday’s Cup Series race could face weather delays due to morning thunderstorms, prompting teams to monitor the situation closely as it develops. The Iowa Corn 350 Powered by Ethanol is scheduled for 3:30 p.m. ET on Sunday, amidst uncertainty regarding rain events earlier in the day.

Source Links

Yahoo Sports

By the Numbers

•Iowa Speedway hosts NASCAR events from August 7-9.
•Saturday forecast shows sunny skies with a low chance of rain.
•Sunday's Cup Series race may see weather-related delays.
•Morning thunderstorms are predicted before improving conditions.
•ARCA Menards Series practices and races take place Friday.

Latest Updates

3:48 AMYahoo Sports — Iowa Speedway Weather Forecast: Latest NASCAR Weekend Updates for Every Race

What they're saying

"
NASCAR returns to Iowa Speedway this weekend for a three-day schedule featuring the ARCA Menards Series, NASCAR O’Reilly Auto Parts Series and the Cup Series. The latest forecast looks encouraging for most of the weekend, though Sunday’s Cup Series race carries the highest chance for weather-related interruptions with morning thunderstorms currently in the forecast. Here’s […] The post Iowa Speedway Weather Forecast: Latest NASCAR Weekend Updates for Every Race appeared first on HEAVY.
— Yahoo Sports

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