Stormy, wet weather is expected to hammer the central U.S. on Election Day , with the spiciest forecasts for states with some of the hottest races — including Texas, Kansas and Iowa.

Forecasters predict a line of thunderstorms stretching from Texas to Missouri on Tuesday, with dreary rainfall in upper Midwest states like Iowa and strong winds in Plains states like Kansas.

With attention focused on voter turnout in battleground states, the inclement weather could affect candidates’ ability to draw people to the polls.

“The middle part of the country is going to be probably the most active area on Election Day,” said Bob Oravec, a lead forecaster at the National Weather Service’s Weather Prediction Center. “Depending on how committed people are going to be to turning out for whatever candidate they’re going to vote for, the weather could have an impact.”

Oravec said forecasting models for Tuesday morning show thunderstorms hammering north-central Texas, a critical battleground in the state’s U.S.…