What this week's winter wallop means for farmers across the U.S.

A nasty dose of winter weather has pummeled much of the U.S. from Kansas to the East Coast, leaving many Americans to dig out of the blizzard — including farmers. And more is on the way, with the polar air expected to continue to grip some places until at least Friday.

Farmers always watch the weather, but depending on where they're located and what they produce, winter always presents mental challenges for growers, said Carolyn Olson, an organic farmer in southwestern Minnesota who is also vice president of the Minnesota Farm Bureau Federation Board of Directors.

Producers know that the timin...