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Weather IQ: Can the Weather Impact Voter Turnout on Election Day?
Researchers found that each additional inch of rain can cut turnout by 1 to 2 percentage points, with marginal voters most affected.
With Election Day arriving tomorrow, rain and storms threaten the Upper Midwest and Southeast, potentially affecting voter turnout across multiple regions.
Dating back to America's first elections in the 1700s, weather has played a role in voter participation. A 2023 study by authors Damsbo-Svendsen and Hansen found that local precipitation lowers voting probability.
Research indicates each additional inch of rain cuts turnout by about 1 to 2 percentage points. For every 10-degree temperature rise, voting probability drops by 0.6 percentage points.
While the Upper Midwest and Southeast face storm risks, Northern California also expects showers, expanding the geographic scope of potential weather-related turnout effects.
Although modern voting trips are shorter than historically, studies suggest inclement weather still impacts turnout. Correlation does not necessarily equal causation, yet precipitation remains a measurable factor.