With police nearing, Combs told police he chose to try getting over the fence anyway, and he made it into a restricted area where he was caught and handcuffed on Tuesday (Wednesday NZ Time).
Prior to trespassing, the Pikachu-costumed Combs told nearby officers he was unarmed (which undoubtedly raised suspicions) before jumping over the barrier and ignoring commands to stop.
But the man, identified as 36-year-old Curtis Combs, of Somerset, Kentucky, told arresting officers the Secret Service closed in too quickly, interrupting his recording of a "pre-jump" ritual.
President Donald Trump was nearby in the Eisenhower Executive Office Building doing radio interviews at the time of the breach.
Before scaling the fence, Combs dropped a backpack which was investigated by bomb technicians before eventually getting cleared by police.
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The main threats associated with the storms include hail up to tennis ball size and wind gusts up to 80 miles per hour . Parts of the area could receive an inch or more of rain, but rain totals will vary across the region.
Combs told police he expected to be arrested and had researched D.C. charges and previous jumpers.
Authorities said Combs tried to enlist the help of two friends but that they declined.
On Twitter, the U.S. Secret Service says it found a suspicious package at the south fence line.
This should serve as a warning: Not even Pokemon can evade the Secret Service.
Just last month, the White House was placed on lock down after a man threw a notebook and a sign over the fence along Pennsylvania Avenue.