What’s Happening?

While the Truck Series gets the weekend off, the NASCAR Xfinity and Cup Series head to Iowa Speedway. Whether you are at the track or home, what does the forecast look like for this weekend in Newton, Iowa?

• Iowa Speedway is one of the youngest major ovals in the United States, having opened in 2009. The track, set in the heart of dirt racing country, sits 51 minutes from Knoxville, Iowa’s legendary half-mile dirt track, Knoxville Raceway.
• The Cup Series first raced at Iowa Speedway in 2024, making this the newest oval on the NASCAR schedule. However, the track itself has a long history with the NASCAR National Series, having hosted the Xfinity and Truck Series from 2009 to 2019, before welcoming the Xfinity Series back last season.
• Iowa weather is just as unpredictable as any other state. Last weekend, in the Midwest at Indianapolis Motor Speedway, NASCAR experienced several storms.

Weekend Weather Forecast via the National Weather Service (All Listed Times Local CST)

Saturday, August 2: Xfinity Series HyVee Perks 250 on the CW [TV] & MRN [Radio] – 3:30 PM

Before the Race (12:00 PM – 3:00 PM)

• Temperature: High of 74°F at 3:00 PM
• Precipitation: 0% Chance From 12:00 PM to 3:00 PM
• Wind: 6 mph

During the Race (3:00 PM – 7:00 PM)

• Temperature: High of 75°F at 3:00 PM
• Precipitation: 0% Chance From 3:00 PM to 7:00 PM
• Wind: 6 mph

After the Race (7:00 PM – 10:00 PM)

• Temperature: High of 74°F at 7:00 PM
• Precipitation: 0% Chance From 7:00 PM to 10:00 PM
• Wind: 6 to 3 mph

Sunday, August 3: Cup Series Iowa Corn 350 Powered by Ethanol on USA & MRN [Radio] – 2:30 PM

Before the Race (11:00 AM – 2:00 PM)

• Temperature: High of 76°F at 2:00 PM
• Precipitation: 2% Chance From 11:00 AM to 2:00 PM
• Wind: 6 to 7 mph

During the Race (2:00 PM – 6:00 PM)

• Temperature: High of 76°F at 2:00 PM
• Precipitation: 2% Chance From 2:00 PM to 6:00 PM
• Wind: 7 to 5 mph

After the Race (6:00 PM – 9:00 PM)

• Temperature: High of 75°F at 6:00 PM
• Precipitation: 5% Chance From 6:00 PM to 9:00 PM
• Wind: 5 mph

Recent Weather Events at Iowa Speedway

Luckily, Iowa has not had a rainout in its very short life as a NASCAR Cup Series track.

Note: This article will be updated with a more accurate and detailed forecast as the race weekend nears.