You could be forgiven for thinking it?s summer again on Wednesday, when temperatures are predicted to climb into the upper 70s. By Thursday night, however, Madison will be back into the fall, with overnight lows in the 30s. The 40-degree fluctuation is the result of a storm that?s going to pass well to our north, but will bring warm air up from the south before pulling down cold winds from the north as it passes through, said Jonathan Martin, a UW-Madison professor of atmospheric and oceanic sciences.
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