A historic round of arctic weather across the United States led to rolling blackouts throughout the Midwest this week.

More than one-third of the continental United States was below zero degrees Monday with temperatures reaching the single digits as far south as San Antonio, Texas.

A winter storm warning encompassed all of Texas as the nation’s power grid struggled to keep up with energy demands for home heating.

Blackouts affected portions of North Dakota earlier this week, though Hillsboro public works director Jim Anderson said Hillsboro is better positioned, electricity-wise.

“You’ve been hearing about the local stuff going out like in Moorhead (Minn.) and Valley City, but they’re in the SPP (Southwest Power Pool),” he said.

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