Dry skies and light winds are expected when Iowa State and Iowa battle for the Cy-Hawk Trophy at Kinnick Stadium. Temperatures should be in the upper 70s around kickoff with NBC coverage beginning at 7:30 p.m. ET.
The latest forecast leaves little reason to expect weather to disrupt the rivalry matchup. Our Iowa State vs Iowa weather report breaks down the evening conditions and what they mean for the game and its prediction markets.
Iowa State vs Iowa weather forecast
The National Weather Service hourly forecast near Kinnick Stadium calls for temperatures of 80 degrees at 6 p.m. CT and 78 at 7 p.m. CT, putting kickoff in the upper 70s. Temperatures should fall to 70 by 9 p.m. CT and 68 by 10 p.m. CT.
Rain chances are just 1-2% from 6-10 p.m. CT, with mostly clear to partly cloudy skies. The greater chance of showers arrives Sunday, after the game.
Northerly winds should ease from around 8 mph before kickoff to 5 mph later in the game. That leaves little wind or rain concern for the evening matchup.
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How weather could impact Iowa State vs Iowa
Both offenses should be able to follow their usual plans. Without rain hanging over the forecast tonight, a light breeze should be the worst issue facing either side.
Temperatures will become more comfortable as the evening progresses, too. We should see a good ol' fashioned fight for the Cy-Hawk tonight without weather playing a key role.
How weather could impact Iowa State vs Iowa prediction markets
As of Saturday afternoon, Kalshi's Iowa-to-win Yes contract was offered at 85 cents, compared with 17 cents for Iowa State. Those are contract purchase prices, which can change before kickoff.
The latest forecast offers little reason to change expectations for the winner. Neither team is likely to face a significant rain or wind obstacle.
The same applies to total-points markets. The forecast gives little reason to lower scoring expectations because of weather, but dry conditions alone are no reason to expect a high-scoring game.
How to watch Iowa State vs Iowa
| Location | Kinnick Stadium, Iowa City, IA |
| Date | Saturday, Sept. 12, 2026 |
| Kickoff | 7:36 p.m. ET / 6:36 p.m. CT (coverage begins at 7:30 p.m. ET) |
| TV | NBC |
